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Browse Table Metadata | DR4

Use the table and column metadata below to help construct your ADQL queries. You can also find more information in the DR4 documentation.

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dr4.master

MAIN TABLE: Primary table of mean astrometric, photometric and shape measurements per object, with cross-match information to external tables.
(724,329,344 rows, 121 columns)

Column Description Unit UCD1+ Datatype Principal? Indexed?
object_id Global unique object ID in the master table.   meta.id;meta.main bigint(1)
raj2000 Mean ICRS Right Ascension of the object deg pos.eq.ra;meta.main;stat.mean double(1)
dej2000 Mean ICRS Declination of the object deg pos.eq.dec;meta.main;stat.mean double(1)
e_raj2000 RMS variation around the mean Right Ascension in milliarcseconds mas stat.stdev;pos.eq.ra integer(1)    
e_dej2000 RMS variation around the mean Declination in milliarcseconds mas stat.stdev;pos.eq.dec integer(1)    
smss_j SkyMapper Southern Survey designation of the form SMSS Jhhmmss.ss+/-ddmmss.s derived from mean ICRS coordinates   meta.id;meta.main char(1)
mean_epoch Mean MJD epoch of the observations d time.epoch;stat.mean double(1)    
rms_epoch RMS variation around the mean epoch d stat.stdev;time.epoch real(1)    
glon Galactic longitude derived from ICRS coordinates. Not to be used as primary astrometric reference. deg pos.galactic.lon real(1)    
glat Galactic latitude derived from ICRS coordinates. Not to be used as primary astrometric reference. deg pos.galactic.lat real(1)    
flags Bitwise OR of Source Extractor flags across all observations   meta.code smallint(1)    
nimaflags Total number of flagged pixels from bad or saturated or crosstalk-affected pixel masks across all observations   meta.code integer(1)    
ngood Number of observations used across all filters   meta.number smallint(1)    
u_flags Bitwise OR of Source Extractor flags from u-band measurements in photometry table   meta.code smallint(1)    
u_nimaflags Number of flagged pixels from bad or saturated or crosstalk-affected pixels masks from u-band measurements in photometry table   meta.code integer(1)    
u_ngood Number of u-band observations used   meta.number smallint(1)    
u_nclip Number of u-band observations with magnitudes clipped from the final PSF magnitude estimate   meta.number smallint(1)    
v_flags Bitwise OR of Source Extractor flags from v-band measurements in photometry table   meta.code smallint(1)    
v_nimaflags Number of flagged pixels from bad or saturated or crosstalk-affected pixels masks from v-band measurements in photometry table   meta.code integer(1)    
v_ngood Number of v-band observations used   meta.number smallint(1)    
v_nclip Number of v-band observations with magnitudes clipped from the final PSF magnitude estimate   meta.number smallint(1)    
g_flags Bitwise OR of Source Extractor flags from g-band measurements in photometry table   meta.code smallint(1)    
g_nimaflags Number of flagged pixels from bad or saturated or crosstalk-affected pixels masks from g-band measurements in photometry table   meta.code integer(1)    
g_ngood Number of g-band observations used   meta.number smallint(1)    
g_nclip Number of g-band observations with magnitudes clipped from the final PSF magnitude estimate   meta.number smallint(1)    
r_flags Bitwise OR of Source Extractor flags from r-band measurements in photometry table   meta.code smallint(1)    
r_nimaflags Number of flagged pixels from bad or saturated or crosstalk-affected pixels masks from r-band measurements in photometry table   meta.code integer(1)    
r_ngood Number of r-band observations used   meta.number smallint(1)    
r_nclip Number of r-band observations with magnitudes clipped from the final PSF magnitude estimate   meta.number smallint(1)    
i_flags Bitwise OR of Source Extractor flags from i-band measurements in photometry table   meta.code smallint(1)    
i_nimaflags Number of flagged pixels from bad or saturated or crosstalk-affected pixels masks from i-band measurements in photometry table   meta.code integer(1)    
i_ngood Number of i-band observations used   meta.number smallint(1)    
i_nclip Number of i-band observations with magnitudes clipped from the final PSF magnitude estimate   meta.number smallint(1)    
z_flags Bitwise OR of Source Extractor flags from z-band measurements in photometry table   meta.code smallint(1)    
z_nimaflags Number of flagged pixels from bad or saturated or crosstalk-affected pixels masks from z-band measurements in photometry table   meta.code integer(1)    
z_ngood Number of z-band observations used   meta.number smallint(1)    
z_nclip Number of z-band observations with magnitudes clipped from the final PSF magnitude estimate   meta.number smallint(1)    
class_star Maximum stellarity index from photometry table (between 0=no star and 1=star)   src.class.starGalaxy;stat.max real(1)    
chi2_psf Maximum chi-squared from photometry table   stat.fit.chi2;stat.max real(1)    
flags_psf Bitmask indicating whether photometry is likely biased by neighbours at >1%; bits 0-5 correspond to filters z-u   meta.code integer(1)    
radius_petro Mean r-band Petrosian radius pix phys.angSize;stat.mean real(1)    
mean_fwhm Mean FWHM of detections pix phys.angSize;stat.mean real(1)    
u_psf Weighted mean u-band PSF magnitude mag phot.mag;stat.mean real(1)
e_u_psf Error in weighted mean u-band PSF magnitude mag stat.error;phot.mag real(1)    
u_petro Weighted mean u-band Petrosian magnitude mag phot.mag;stat.mean real(1)    
e_u_petro Error in weighted mean u-band Petrosian magnitude mag stat.error;phot.mag real(1)    
u_apc05 Weighted mean u-band aperture-corrected magnitude from flux in 5 arcsec diameter mag phot.mag;stat.mean real(1)    
e_u_apc05 Error in weighted mean u-band aperture-corrected magnitude from flux in 5 arcsec diameter mag stat.error;phot.mag real(1)    
u_mmvar Magnitude range between minimum and maximum unclipped u-band PSF magnitudes mag phot.mag;stat real(1)    
v_psf Weighted mean v-band PSF magnitude mag phot.mag;stat.mean real(1)
e_v_psf Error in weighted mean v-band PSF magnitude mag stat.error;phot.mag real(1)    
v_petro Weighted mean v-band Petrosian magnitude mag phot.mag;stat.mean real(1)    
e_v_petro Error in weighted mean v-band Petrosian magnitude mag stat.error;phot.mag real(1)    
v_apc05 Weighted mean v-band aperture-corrected magnitude from flux in 5 arcsec diameter mag phot.mag;stat.mean real(1)    
e_v_apc05 Error in weighted mean v-band aperture-corrected magnitude from flux in 5 arcsec diameter mag stat.error;phot.mag real(1)    
v_mmvar Magnitude range between minimum and maximum unclipped v-band PSF magnitudes mag phot.mag;stat real(1)    
g_psf Weighted mean g-band PSF magnitude mag phot.mag;stat.mean real(1)
e_g_psf Error in weighted mean g-band PSF magnitude mag stat.error;phot.mag real(1)    
g_petro Weighted mean g-band Petrosian magnitude mag phot.mag;stat.mean real(1)    
e_g_petro Error in weighted mean g-band Petrosian magnitude mag stat.error;phot.mag real(1)    
g_apc05 Weighted mean g-band aperture-corrected magnitude from flux in 5 arcsec diameter mag phot.mag;stat.mean real(1)    
e_g_apc05 Error in weighted mean g-band aperture-corrected magnitude from flux in 5 arcsec diameter mag stat.error;phot.mag real(1)    
g_mmvar Magnitude range between minimum and maximum unclipped g-band PSF magnitudes mag phot.mag;stat real(1)    
r_psf Weighted mean r-band PSF magnitude mag phot.mag;stat.mean real(1)
e_r_psf Error in weighted mean r-band PSF magnitude mag stat.error;phot.mag real(1)    
r_petro Weighted mean r-band Petrosian magnitude mag phot.mag;stat.mean real(1)    
e_r_petro Error in weighted mean r-band Petrosian magnitude mag stat.error;phot.mag real(1)    
r_apc05 Weighted mean r-band aperture-corrected magnitude from flux in 5 arcsec diameter mag phot.mag;stat.mean real(1)    
e_r_apc05 Error in weighted mean r-band aperture-corrected magnitude from flux in 5 arcsec diameter mag stat.error;phot.mag real(1)    
r_mmvar Magnitude range between minimum and maximum unclipped -band PSF magnitudes mag phot.mag;stat real(1)    
i_psf Weighted mean i-band PSF magnitude mag phot.mag;stat.mean real(1)
e_i_psf Error in weighted mean i-band PSF magnitude mag stat.error;phot.mag real(1)    
i_petro Weighted mean i-band Petrosian magnitude mag phot.mag;stat.mean real(1)    
e_i_petro Error in weighted mean i-band Petrosian magnitude mag stat.error;phot.mag real(1)    
i_apc05 Weighted mean i-band aperture-corrected magnitude from flux in 5 arcsec diameter mag phot.mag;stat.mean real(1)    
e_i_apc05 Error in weighted mean i-band aperture-corrected magnitude from flux in 5 arcsec diameter mag stat.error;phot.mag real(1)    
i_mmvar Magnitude range between minimum and maximum unclipped i-band PSF magnitudes mag phot.mag;stat real(1)    
z_psf Weighted mean z-band PSF magnitude mag phot.mag;stat.mean real(1)
e_z_psf Error in weighted mean z-band PSF magnitude mag stat.error;phot.mag real(1)    
z_petro Weighted mean z-band Petrosian magnitude mag phot.mag;stat.mean real(1)    
e_z_petro Error in weighted mean z-band Petrosian magnitude mag stat.error;phot.mag real(1)    
z_apc05 Weighted mean z-band aperture-corrected magnitude from flux in 5 arcsec diameter mag phot.mag;stat.mean real(1)    
e_z_apc05 Error in weighted mean z-band aperture-corrected magnitude from flux in 5 arcsec diameter mag stat.error;phot.mag real(1)    
z_mmvar Magnitude range between minimum and maximum unclipped z-band PSF magnitudes mag phot.mag;stat real(1)    
self_id1 Unique identifier (object_id) of closest SMSS DR4 source   meta.id.cross bigint(1)    
self_dist1 Distance on sky to closest SMSS DR4 source arcsec pos.angDistance real(1)    
self_id2 Unique identifier (object_id) of second-closest SMSS DR4 source   meta.id.cross bigint(1)    
self_dist2 Distance on sky to second-closest SMSS DR4 source arcsec pos.angDistance real(1)    
self_id3 Unique identifier (object_id) of third-closest SMSS DR4 source   meta.id.cross bigint(1)    
self_dist3 Distance on sky to third-closest SMSS DR4 source arcsec pos.angDistance real(1)    
cnt_self_15 Number of SMSS DR4 sources within 15 arcsec   meta.number real(1)    
ebmv_sfd E(B-V) from Schlegel+1998 extinction maps at the ICRS coordinates mag phot.color.excess;phys.absorption real(1)    
ebmv_gnilc E(B-V) from Planck satellite GNILC reddening maps at the ICRS coordinates mag phot.color.excess;phys.absorption real(1)    
ebmv_g_err Error in the E(B-V) from GNILC mag stat.error;phot.color.excess;phys.absorption real(1)    
gaia_dr3_id1 Unique identifier (source_id) of closest Gaia DR3 source   meta.id.cross bigint(1)    
gaia_dr3_dist1 Distance on sky to closest Gaia DR3 source arcsec pos.angDistance real(1)    
gaia_dr3_id2 Unique identifier (source_id) of second-closest Gaia DR3 source   meta.id.cross bigint(1)    
gaia_dr3_dist2 Distance on sky to second-closest Gaia DR3 source arcsec pos.angDistance real(1)    
cnt_gaia_dr3_15 Number of Gaia DR3 sources within 15 arcsec   meta.number integer(1)    
twomass_key Unique identifier (pts_key) of closest 2MASS PSC source   meta.id.cross bigint(1)    
twomass_dist Distance on sky to closest 2MASS PSC source arcsec pos.angDistance real(1)    
allwise_cntr Unique identifier (cntr) of closest AllWISE source   meta.id.cross bigint(1)    
allwise_dist Distance on sky to closest AllWISE source arcsec pos.angDistance real(1)    
catwise_id Unique identifier (id) of closest CatWISE2020 source   meta.id.cross text(1)    
catwise_dist Distance on sky to closest CatWISE2020 source arcsec pos.angDistance real(1)    
refcat2_id Unique identifier (objid) of closest ATLAS Refcat2 source (only useful for this copy of Refcat2)   meta.id.cross bigint(1)    
refcat2_dist Distance on sky to closest ATLAS Refcat2 source arcsec pos.angDistance real(1)    
ps1_dr1_id Unique identifier (objid) of closest Pan-STARRS1 DR1 source   meta.id.cross bigint(1)    
ps1_dr1_dist Distance on sky to closest Pan-STARRS1 DR1 source arcsec pos.angDistance real(1)    
galex_guv_id Unique identifier (objid) of closest GALEX GUVcat AIS source (Bianchi et al. 2017)   meta.id.cross bigint(1)    
galex_guv_dist Distance on sky to closest GALEX GUVcat AIS source arcsec pos.angDistance real(1)    
vhs_dr6_id Unique identifier (objid) of closest Pan-STARRS1 DR1 source   meta.id.cross bigint(1)    
vhs_dr6_dist Distance on sky to closest Pan-STARRS1 DR1 source arcsec pos.angDistance real(1)    
ls_dr9_id Unique identifier (unique_id) of closest Legacy Survey DR9 source   meta.id.cross bigint(1)    
ls_dr9_dist Distance on sky to closest Legacy Survey DR9 source arcsec pos.angDistance real(1)    
des_dr2_id Unique identifier (coadd_object_id) of closest DES DR2 source   meta.id.cross bigint(1)    
des_dr2_dist Distance on sky to closest DES DR2 source arcsec pos.angDistance real(1)    
nsc_dr2_id Unique identifier (id) of closest NSC DR2 source   meta.id.cross text(1)    
nsc_dr2_dist Distance on sky to closest NSC DR2 source arcsec pos.angDistance real(1)    
splus_dr3_id Unique identifier of closest S-PLUS DR3 source   meta.id.cross text(1)    
splus_dr3_dist Distance on sky to closest S-PLUS DR3 source arcsec pos.angDistance real(1)    

dr4.ccds

Table of CCD-specific exposure information.
(12,630,515 rows, 14 columns)

Column Description Unit UCD1+ Datatype Principal? Indexed?
image_id Unique image ID as used by the Science Data Pipeline NULL meta.id.part long(1)  ✓  ✓
ccd CCD within the mosaic (1-32) NULL meta.id.part int(1)  ✓  ✓
filename Filename of image NULL NULL text(1)    
maskname Filename of mask NULL NULL text(1)    
image Unique image_id in text format NULL NULL text(1)    ✓
filter Filter NULL NULL char(2)  ✓  ✓
mjd_obs MJD of the exposure NULL NULL double(1)  ✓  ✓
fwhm_ccd Median full width at half maximum on the CCD arcsec NULL real(1)    ✓
elong_ccd Median elongation (A/B) on the CCD NULL NULL real(1)    ✓
nsatpix Number of saturated pixels on the CCD NULL NULL int(1)    
sb_mag Surface brightness estimate on the CCD ABmag/sq.arcsec NULL real(1)    ✓
phot_nstar Number of objects found on the CCD NULL NULL int(1)    
header Image header NULL NULL text(1)    
coverage CCD RA/Dec coverage array NULL NULL spoly(4,2)    ✓

dr4.images

Table of exposures and telescope information
(417,223 rows, 18 columns)

Column Description Unit UCD1+ Datatype Principal? Indexed?
image_id Unique image ID as used by the Science Data Pipeline   meta.id;meta.main long(1)  ✓  ✓
night_mjd Truncated Modified Julian Date at the start of night   meta.id int(1)   ✓ 
date Modified Julian Date at the start of the exposure d time.epoch;obs.exposure double(1)  ✓  ✓
ra Right Ascension of the exposure centre taken from the telescope deg pos.eq.ra;meta.main double(1)  ✓  ✓
decl Declination of the exposure centre taken from the telescope deg pos.eq.dec;meta.main double(1)  ✓  ✓
field_id SkyMapper field ID   obs.field int(1)  ✓  ✓
exp_time Exposure time s time.duration;obs.exposure double(1)    
airmass Airmass of the exposure centre taken from the telescope   obs.airmass double(1)    ✓
filter SkyMapper photometric filter (u,v,g,r,i,z)   instr.filter char(2)  ✓  ✓
rotator_pos Angular position of the instrument rotator deg pos.posAng;instr.param double(1)    
object Survey/field/image_type identifier (not unique)   meta.id text(1)    
image_type Type of image (fs=Fast Survey, ms=Main Survey, std=Standard Field)   meta.code.class text(1)    
fwhm_mean Average full width at half maximum for the exposure arcsec instr.obsty.seeing real(1)    ✓
elong_mean Average elongation (A/B) for the exposure     real(1)    ✓
background Average background counts for the exposure counts phot.count real(1)    ✓
zpapprox Approximate photometric zeropoint for the exposure ABmag phot.calib double(1)    ✓
wcs_fitstars Number of stars in the WCS fit   meta.number integer(1)    
wcs_rms RMS in the WCS fit arcsec stat.fit.residual real(1)    

dr4.mosaic

CCD positions within the SkyMapper mosaic
(32 rows, 3 columns)

Column Description Unit UCD1+ Datatype Principal? Indexed?
ccd CCD number (1-32) -- meta.id;meta.main integer(1)
x0 Mosaic x-position of CCD pixel (0,0) pix pos.cartesian.x double(1)    
y0 Mosaic y-position of CCD pixel (0,0) pix pos.cartesian.y double(1)    

dr4.photometry

Table of individual photometric, astrometric and shape measurements for every detection. Can be joined to the master table using the object_id column.
(12,972,982,413 rows, 84 columns)

Column Description Unit UCD1+ Datatype Principal? Indexed?
object_id Global object ID in master table associated with this observation. NULL meta.id;meta.main long(1)  ✓  ✓
object_id_local Object ID in this (image,CCD) tuple. Not globally unique. NULL meta.id.part long(1)    ✓
image_id Unique image ID as used by the Science Data Pipeline NULL meta.id.part long(1)    ✓
ccd CCD on which the object was detected (1-32) NULL meta.id.part smallint(1)   ✓ 
filter SkyMapper photometric filter (u,v,g,r,i,z) NULL instr.filter char(2)  ✓  ✓
ra_img ICRS Right Ascension of the object on this image deg pos.eq.ra;meta.main double(1)  ✓  ✓
decl_img ICRS Declination of the object on this image deg pos.eq.dec;meta.main double(1)  ✓  ✓
x_img CCD x-pixel coordinate of the object on this image pix pos.cartesian.x real(1)    
y_img CCD y-pixel coordinate of the object on this image pix pos.cartesian.y real(1)    
flags Flags raised by Source Extractor NULL meta.code.qual smallint(1)    
nimaflags Number of flagged pixels from bad, saturated, and crosstalk pixel mask NULL meta.code.qual int(1)    
imaflags OR-combined flagged pixel types within isophotal radius from bad, saturated, and crosstalk pixel mask NULL meta.code.qual int(1)    
background Mean background level in counts ct instr.skyLevel;phot.count real(1)    
flux_max Peak count above background of the brightest object pixel ct phot.count;src real(1)    
mu_max ZP-corrected peak surface brightness of object above background mag/arcsec2 phot.mag.sb;src real(1)    
class_star Source Extractor stellarity index (between 0=not star and 1=star) NULL src.class.starGalaxy real(1)    
a Length of object semi-major axis in pixels pix phys.angSize.smajAxis;src real(1)    
e_a Error in semi-major axis pix stat.error;phys.angSize.smajAxis real(1)    
b Length of object semi-minor axis in pixels pix phys.angSize.sminAxis;src real(1)    
e_b Error in semi-minor axis pix stat.error;phys.angSize.sminAxis real(1)    
pa Object ellipse position angle on sky (E of N, -90..+90 deg) deg pos.posAng;src real(1)    
e_pa Error in position angle deg stat.error;pos.posAng real(1)    
elong Object elongation (a/b) NULL phys.size.axisRatio;src real(1)    
fwhm Object full width at half maximum on detector pix phys.angSize;src real(1)    
radius_petro Radius of Petrosian ellipse in units of a and b NULL phys.angSize real(1)    
radius_kron Radius of Kron ellipse in units of a and b NULL phys.angSize real(1)    
radius_frac20 Radius of circular aperture enclosing 20 per cent of total (Kron) flux pix phys.angSize real(1)    
radius_frac50 Radius of circular aperture enclosing 50 per cent of total (Kron) flux (i.e. half-light radius) pix phys.angSize real(1)    
radius_frac90 Radius of circular aperture enclosing 90 per cent of total (Kron) flux pix phys.angSize real(1)    
chi2_psf Reduced Chi-squared of PSF fit NULL stat.fit.chi2 real(1)    
flux_psf Total counts under PSF fit ct phot.count;src real(1)    
e_flux_psf Error in PSF counts ct stat.error;phot.count real(1)    
mag_psf ZP-corrected PSF magnitude mag phot.mag;src real(1)    
e_mag_psf Error in PSF magnitude mag stat.error;phot.mag real(1)    
flux_petro Total counts within Petrosian ellipse ct phot.count;src real(1)    
e_flux_petro Error in Petrosian flux ct stat.error;phot.count real(1)    
mag_petro ZP-corrected Petrosian magnitude mag phot.mag;src real(1)    
e_mag_petro Error in Petrosian magnitude mag stat.error;phot.mag real(1)    
flux_kron Total counts within Kron ellipse ct phot.count;src real(1)    
e_flux_kron Error in Kron flux ct stat.error;phot.count real(1)    
mag_kron ZP-corrected Kron magnitude mag phot.mag;src real(1)    
e_mag_kron Error in Kron magnitude mag stat.error;phot.mag real(1)    
flux_ap02 Total counts within 2 arcsec diameter aperture centred on object ct phot.count;src real(1)    
e_flux_ap02 Error in 2 arcsec aperture flux ct stat.error;phot.count real(1)    
mag_apc02 ZP-corrected magnitude within 2 arcsec diameter aperture, corrected for PSF losses mag phot.mag;src real(1)    
e_mag_apc02 Error in 2 arcsec aperture magnitude mag stat.error;phot.mag real(1)    
flux_ap03 Total counts within 3 arcsec diameter aperture centred on object ct phot.count;src real(1)    
e_flux_ap03 Error in 3 arcsec aperture flux ct stat.error;phot.count real(1)    
mag_apc03 ZP-corrected magnitude within 3 arcsec diameter aperture, corrected for PSF losses mag phot.mag;src real(1)    
e_mag_apc03 Error in 3 arcsec aperture magnitude mag stat.error;phot.mag real(1)    
flux_ap04 Total counts within 4 arcsec diameter aperture centred on object ct phot.count;src real(1)    
e_flux_ap04 Error in 4 arcsec aperture flux ct stat.error;phot.count real(1)    
mag_apc04 ZP-corrected magnitude within 4 arcsec diameter aperture, corrected for PSF losses mag phot.mag;src real(1)    
e_mag_apc04 Error in 4 arcsec aperture magnitude mag stat.error;phot.mag real(1)    
flux_ap05 Total counts within 5 arcsec diameter aperture centred on object ct phot.count;src real(1)    
e_flux_ap05 Error in 5 arcsec aperture flux ct stat.error;phot.count real(1)    
mag_apc05 ZP-corrected magnitude within 5 arcsec diameter aperture, corrected for PSF losses mag phot.mag;src real(1)    
e_mag_apc05 Error in 5 arcsec aperture magnitude mag stat.error;phot.mag real(1)    
flux_ap06 Total counts within 6 arcsec diameter aperture centred on object ct phot.count;src real(1)    
e_flux_ap06 Error in 6 arcsec aperture flux ct stat.error;phot.count real(1)    
mag_apc06 ZP-corrected magnitude within 6 arcsec diameter aperture, corrected for PSF losses mag phot.mag;src real(1)    
e_mag_apc06 Error in 6 arcsec aperture magnitude mag stat.error;phot.mag real(1)    
flux_ap08 Total counts within 8 arcsec diameter aperture centred on object ct phot.count;src real(1)    
e_flux_ap08 Error in 8 arcsec aperture flux ct stat.error;phot.count real(1)    
mag_apc08 ZP-corrected magnitude within 8 arcsec diameter aperture, corrected for PSF losses mag phot.mag;src real(1)    
e_mag_apc08 Error in 8 arcsec aperture magnitude mag stat.error;phot.mag real(1)    
flux_ap10 Total counts within 10 arcsec diameter aperture centred on object ct phot.count;src real(1)    
e_flux_ap10 Error in 10 arcsec aperture flux ct stat.error;phot.count real(1)    
mag_apc10 ZP-corrected magnitude within 10 arcsec diameter aperture, corrected for PSF losses mag phot.mag;src real(1)    
e_mag_apc10 Error in 10 arcsec aperture magnitude mag stat.error;phot.mag real(1)    
flux_ap15 Total counts within 15 arcsec diameter aperture centred on object ct phot.count;src real(1)    
e_flux_ap15 Error in 15 arcsec aperture flux ct stat.error;phot.count real(1)    
mag_apr15 ZP-corrected magnitude within 15 arcsec diameter aperture, NOT corrected for PSF losses mag phot.mag;src real(1)    
e_mag_apr15 Error in 15 arcsec aperture magnitude mag stat.error;phot.mag real(1)    
flux_ap20 Total counts within 20 arcsec diameter aperture centred on object ct phot.count;src real(1)    
e_flux_ap20 Error in 20 arcsec aperture flux ct stat.error;phot.count real(1)    
mag_apr20 ZP-corrected magnitude within 20 arcsec diameter aperture, NOT corrected for PSF losses mag phot.mag;src real(1)    
e_mag_apr20 Error in 20 arcsec aperture magnitude mag stat.error;phot.mag real(1)    
flux_ap30 Total counts within 30 arcsec diameter aperture centred on object ct phot.count;src real(1)    
e_flux_ap30 Error in 30 arcsec aperture flux ct stat.error;phot.count real(1)    
mag_apr30 ZP-corrected magnitude within 30 arcsec diameter aperture, NOT corrected for PSF losses mag phot.mag;src real(1)    
e_mag_apr30 Error in 30 arcsec aperture magnitude mag stat.error;phot.mag real(1)    
use_in_clipped Flag indicating whether this observation was used in computing the clipped mean magnitudes in the master table   meta.code boolean(1)    
img_qual Quality level of this image from 1=best to 3=worst   meta.code.qual smallint(1)    

ext.allwise

NASA Widefield Infrared Survey Explorer (WISE) AllWISE data release
(747,634,026 rows, 298 columns)

ColumnDescriptionUnitUCD1+DatatypePrincipal?Indexed?
allwise Unique WISE source designation -- meta.id;meta.main char(20)  
raj2000 Right ascension (J2000) deg pos.eq.ra;meta.main double(1)
dej2000 Declination (J2000) deg pos.eq.dec;meta.main double(1)
sigra Uncertainty in RA arcsec stat.error;pos.eq.ra double(1)    
sigdec Uncertainty in DEC arcsec stat.error;pos.eq.dec double(1)    
sigradec Cross-term of RA and Dec uncertainties arcsec pos.posAng double(1)    
glon Galactic longitude deg pos.galactic.lon double(1)    
glat Galactic latitude deg pos.galactic.lat double(1)    
elon Ecliptic longitude deg pos.ecliptic.lon double(1)    
elat Ecliptic latitude deg pos.ecliptic.lat double(1)    
wx x-pixel coordinate, all bands pix pos.cartesian.x;instr.det double(1)    
wy y-pixel coordinate, all bands pix pos.cartesian.y;instr.det double(1)    
cntr Unique entry counter (key) number -- meta.id;meta.main long(1)  
source_id Unique source ID (coadd ID and source number) -- meta.id char(28)    
coadd_id Coadd ID -- meta.id char(20)    
src Source number in coadd -- meta.id int(1)    
w1mpro Instrumental profile-fit photometry magnitude, band 1 mag phot.mag;em.IR.3-4um double(1)  
w1sigmpro Instrumental profile-fit photometry flux uncertainty in mag units, band 1 mag stat.error;phot.mag double(1)    
w1snr Instrumental profile-fit photometry S/N ratio, band 1 -- stat.snr double(1)    
w1rchi2 Instrumental profile-fit photometry reduced chi^2, band 1 -- stat.fit.chi2 double(1)    
w2mpro Instrumental profile-fit photometry magnitude, band 2 mag phot.mag;em.IR.4-8um double(1)  
w2sigmpro Instrumental profile-fit photometry flux uncertainty in mag units, band 2 mag stat.error;phot.mag double(1)    
w2snr Instrumental profile-fit photometry S/N ratio, band 2 -- stat.snr double(1)    
w2rchi2 Instrumental profile-fit photometry reduced chi^2, band 2 -- stat.fit.chi2 double(1)    
w3mpro Instrumental profile-fit photometry magnitude, band 3 mag phot.mag;em.IR.8-15um double(1)  
w3sigmpro Instrumental profile-fit photometry flux uncertainty in mag units, band 3 mag stat.error;phot.mag double(1)    
w3snr Instrumental profile-fit photometry S/N ratio, band 3 -- stat.snr double(1)    
w3rchi2 Instrumental profile-fit photometry reduced chi^2, band 3 -- stat.fit.chi2 double(1)    
w4mpro Instrumental profile-fit photometry magnitude, band 4 mag phot.mag;em.IR.15-30um double(1)  
w4sigmpro Instrumental profile-fit photometry flux uncertainty in mag units, band 4 mag stat.error;phot.mag double(1)    
w4snr Instrumental profile-fit photometry S/N ratio, band 4 -- stat.snr double(1)    
w4rchi2 Instrumental profile-fit photometry reduced chi^2, band 4 -- stat.fit.chi2 double(1)    
rchi2 Instrumental profile-fit photometry reduced chi squared, total -- stat.fit.chi2 double(1)    
nb Number of blend components used in each fit -- meta.number int(1)    
na Active deblend flag (=1 if actively deblended) -- meta.code int(1)    
w1sat Fraction of pixels affected by saturation, band 1 -- instr.saturation double(1)    
w2sat Fraction of pixels affected by saturation, band 2 -- instr.saturation double(1)    
w3sat Fraction of pixels affected by saturation, band 3 -- instr.saturation double(1)    
w4sat Fraction of pixels affected by saturation, band 4 -- instr.saturation double(1)    
satnum Minimum sample at which saturation occurs in frame stack, 1 char per band -- instr.saturation;stat.min char(4)    
ra_pm Right ascension at epoch MJD=55400.0 (2010.5589) from pff model incl. motion deg pos.eq.ra double(1)    
dec_pm Declination at epoch MJD=55400.0 (2010.5589) from pff model incl. motion deg pos.eq.dec double(1)    
sigra_pm One-sigma uncertainty in RA from pff model incl. motion arcsec stat.error;pos.eq.ra double(1)    
sigdec_pm One-sigma uncertainty in DEC from pff model incl. motion arcsec stat.error;pos.eq.dec double(1)    
sigradec_pm The co-sigma of the equatorial position uncertainties from ppf model incl motion arcsec pos.posAng double(1)    
pmra Apparent motion in RA mas/yr pos.pm;pos.eq.ra int(1)    
sigpmra Uncertainty in the RA motion estimate mas/yr stat.error;pos.pm;pos.eq.ra int(1)    
pmdec Apparent motion in Dec mas/yr pos.pm;pos.eq.dec int(1)    
sigpmdec Uncertainty in the Dec motion estimate mas/yr stat.error;pos.pm;pos.eq.dec int(1)    
w1rchi2_pm Reduced chi^2 of the W1 profile-fit photometry measurement including motion est -- stat.fit.chi2 double(1)    
w2rchi2_pm Reduced chi^2 of the W2 profile-fit photometry measurement including motion est -- stat.fit.chi2 double(1)    
w3rchi2_pm Reduced chi^2 of the W3 profile-fit photometry measurement including motion est -- stat.fit.chi2 double(1)    
w4rchi2_pm Reduced chi^2 of the W4 profile-fit photometry measurement including motion est -- stat.fit.chi2 double(1)    
rchi2_pm Combined Reduced chi^2 in all bands for the pff photometry includes src motion -- stat.fit.chi2 double(1)    
pmcode Motion estimate quality code -- meta.code char(5)    
cc_flags Prioritized artifacts affecting the source in each band -- meta.code char(4)  
rel Small separation multiple detection flag -- meta.code char(1)  
ext_flg Probability that source morphology is not consistent with single PSF -- meta.code.multip;stat.probability int(1)  
var_flg Probability that flux varied in any band greater than amount expected from unc.s -- src.var;stat.probability char(4)  
ph_qual Photometric quality of each band (A=highest, U=upper limit) -- meta.code.qual;phot char(4)  
det_bit Bit-encoded integer indicating detection for each band -- meta.code int(1)    
moon_lev Level of moon contamination in coadd (ceiling(#frmmoon/#frames*10)), 1 per band -- meta.code char(4)    
w1nm Number of profile-fit flux measurements for source with SNR >= 3, band 1 -- meta.number int(1)    
w1m Number of profile-fit flux measurements for source, band 1 -- meta.number int(1)    
w2nm Number of profile-fit flux measurements for source with SNR >= 3, band 2 -- meta.number int(1)    
w2m Number of profile-fit flux measurements for source, band 2 -- meta.number int(1)    
w3nm Number of profile-fit flux measurements for source with SNR >= 3, band 3 -- meta.number int(1)    
w3m Number of profile-fit flux measurements for source, band 3 -- meta.number int(1)    
w4nm Number of profile-fit flux measurements for source with SNR >= 3, band 4 -- meta.number int(1)    
w4m Number of profile-fit flux measurements for source, band 4 -- meta.number int(1)    
w1cov Mean coverage depth, band 1 -- src.sample;stat.mean double(1)    
w2cov Mean coverage depth, band 2 -- src.sample;stat.mean double(1)    
w3cov Mean coverage depth, band 3 -- src.sample;stat.mean double(1)    
w4cov Mean coverage depth, band 4 -- src.sample;stat.mean double(1)    
w1cc_map Contamination and confusion bit array for the source in band 1 -- meta.code.qual int(1)    
w1cc_map_str Contamination and confusion character array for the source in band 1 -- meta.code.qual char(9)    
w2cc_map Contamination and confusion bit array for the source in band 2 -- meta.code.qual int(1)    
w2cc_map_str Contamination and confusion character array for the source in band 2 -- meta.code.qual char(9)    
w3cc_map Contamination and confusion bit array for the source in band 3 -- meta.code.qual int(1)    
w3cc_map_str Contamination and confusion character array for the source in band 3 -- meta.code.qual char(9)    
w4cc_map Contamination and confusion bit array for the source in band 4 -- meta.code.qual int(1)    
w4cc_map_str Contamination and confusion character array for the source in band 4 -- meta.code.qual char(9)    
best_use_cntr 'cntr' of source to use from 'best' duplicate resolution group for this source -- meta.id long(1)    
ngrp Number of additional duplicate resolution groups in which this source resides -- meta.number int(1)    
w1flux Profile-fit photometry raw flux, band 1 dn phot.flux;em.IR.3-4um double(1)    
w1sigflux Profile-fit photometry raw flux uncertainty, band 1 dn stat.error;phot.flux double(1)    
w1sky Sky background value, band 1 dn instr.skyLevel;em.IR.3-4um double(1)    
w1sigsk Sky background value uncertainty, band 1 dn stat.error;instr.skyLevel double(1)    
w1conf Sky confusion based on the uncertainty images, band 1 dn stat.error;instr.skyLevel double(1)    
w2flux Profile-fit photometry raw flux, band 2 dn phot.flux;em.IR.4-8um double(1)    
w2sigflux Profile-fit photometry raw flux uncertainty, band 2 dn stat.error;phot.flux double(1)    
w2sky Sky background value, band 2 dn instr.skyLevel;em.IR.4-8um double(1)    
w2sigsk Sky background value uncertainty, band 2 dn stat.error;instr.skyLevel double(1)    
w2conf Sky confusion based on the uncertainty images, band 2 dn stat.error;instr.skyLevel double(1)    
w3flux Profile-fit photometry raw flux, band 3 dn phot.flux;em.IR.8-15um double(1)    
w3sigflux Profile-fit photometry raw flux uncertainty, band 3 dn stat.error;phot.flux double(1)    
w3sky Sky background value, band 3 dn instr.skyLevel;em.IR.8-15um double(1)    
w3sigsk Sky background value uncertainty, band 3 dn stat.error;instr.skyLevel double(1)    
w3conf Sky confusion based on the uncertainty images, band 3 dn stat.error;instr.skyLevel double(1)    
w4flux Profile-fit photometry raw flux, band 4 dn phot.flux;em.IR.15-30um double(1)    
w4sigflux Profile-fit photometry raw flux uncertainty, band 4 dn stat.error;phot.flux double(1)    
w4sky Sky background value, band 4 dn instr.skyLevel;em.IR.15-30um double(1)    
w4sigsk Sky background value uncertainty, band 4 dn stat.error;instr.skyLevel double(1)    
w4conf Sky confusion based on the uncertainty images, band 4 dn stat.error;instr.skyLevel double(1)    
w1mag Instrumental standard aperture mag w/ aperture correction applied, band 1 mag phot.mag;em.IR.3-4um double(1)    
w1sigm Instrumental standard aperture mag uncertainty, band 1 mag stat.error;phot.mag double(1)    
w1flg Instrumental standard aperture flag, band 1 -- meta.code int(1)    
w1mcor Instrumental aperture correction, band 1, standard aperture mag phot.mag;phot.calib double(1)    
w2mag Instrumental standard aperture mag w/ aperture correction applied, band 2 mag phot.mag;em.IR.4-8um double(1)    
w2sigm Instrumental standard aperture mag uncertainty, band 2 mag stat.error;phot.mag double(1)    
w2flg Instrumental standard aperture flag, band 2 -- meta.code int(1)    
w2mcor Instrumental aperture correction, band 2, standard aperture mag phot.mag;phot.calib double(1)    
w3mag Instrumental standard aperture mag w/ aperture correction applied, band 3 mag phot.mag;em.IR.8-15um double(1)    
w3sigm Instrumental standard aperture mag uncertainty, band 3 mag stat.error;phot.mag double(1)    
w3flg Instrumental standard aperture flag, band 3 -- meta.code int(1)    
w3mcor Instrumental aperture correction, band 3, standard aperture mag phot.mag;phot.calib double(1)    
w4mag Instrumental standard aperture mag w/ aperture correction applied, band 4 mag phot.mag;em.IR.15-30um double(1)    
w4sigm Instrumental standard aperture mag uncertainty, band 4 mag stat.error;phot.mag double(1)    
w4flg Instrumental standard aperture flag, band 4 -- meta.code int(1)    
w4mcor Instrumental aperture correction, band 4, standard aperture mag phot.mag;phot.calib double(1)    
w1mag_1 Aperture 1 instrumental aperture mag, band 1 mag phot.mag;em.IR.3-4um double(1)    
w1sigm_1 Aperture 1 instrumental aperture mag uncertainty, band 1 mag stat.error;phot.mag double(1)    
w1flg_1 Aperture 1 instrumental aperture flag, band 1 -- meta.code int(1)    
w2mag_1 Aperture 1 instrumental aperture mag, band 2 mag phot.mag;em.IR.4-8um double(1)    
w2sigm_1 Aperture 1 instrumental aperture mag uncertainty, band 2 mag stat.error;phot.mag double(1)    
w2flg_1 Aperture 1 instrumental aperture flag, band 2 -- meta.code int(1)    
w3mag_1 Aperture 1 instrumental aperture mag, band 3 mag phot.mag;em.IR.8-15um double(1)    
w3sigm_1 Aperture 1 instrumental aperture mag uncertainty, band 3 mag stat.error;phot.mag double(1)    
w3flg_1 Aperture 1 instrumental aperture flag, band 3 -- meta.code int(1)    
w4mag_1 Aperture 1 instrumental aperture mag, band 4 mag phot.mag;em.IR.15-30um double(1)    
w4sigm_1 Aperture 1 instrumental aperture mag uncertainty, band 4 mag stat.error;phot.mag double(1)    
w4flg_1 Aperture 1 instrumental aperture flag, band 4 -- meta.code int(1)    
w1mag_2 Aperture 2 instrumental aperture mag, band 1 mag phot.mag;em.IR.3-4um double(1)    
w1sigm_2 Aperture 2 instrumental aperture mag uncertainty, band 1 mag stat.error;phot.mag double(1)    
w1flg_2 Aperture 2 instrumental aperture flag, band 1 -- meta.code int(1)    
w2mag_2 Aperture 2 instrumental aperture mag, band 2 mag phot.mag;em.IR.4-8um double(1)    
w2sigm_2 Aperture 2 instrumental aperture mag uncertainty, band 2 mag stat.error;phot.mag double(1)    
w2flg_2 Aperture 2 instrumental aperture flag, band 2 -- meta.code int(1)    
w3mag_2 Aperture 2 instrumental aperture mag, band 3 mag phot.mag;em.IR.8-15um double(1)    
w3sigm_2 Aperture 2 instrumental aperture mag uncertainty, band 3 mag stat.error;phot.mag double(1)    
w3flg_2 Aperture 2 instrumental aperture flag, band 3 -- meta.code int(1)    
w4mag_2 Aperture 2 instrumental aperture mag, band 4 mag phot.mag;em.IR.15-30um double(1)    
w4sigm_2 Aperture 2 instrumental aperture mag uncertainty, band 4 mag stat.error;phot.mag double(1)    
w4flg_2 Aperture 2 instrumental aperture flag, band 4 -- meta.code int(1)    
w1mag_3 Aperture 3 instrumental aperture mag, band 1 mag phot.mag;em.IR.3-4um double(1)    
w1sigm_3 Aperture 3 instrumental aperture mag uncertainty, band 1 mag stat.error;phot.mag double(1)    
w1flg_3 Aperture 3 instrumental aperture flag, band 1 -- meta.code int(1)    
w2mag_3 Aperture 3 instrumental aperture mag, band 2 mag phot.mag;em.IR.4-8um double(1)    
w2sigm_3 Aperture 3 instrumental aperture mag uncertainty, band 2 mag stat.error;phot.mag double(1)    
w2flg_3 Aperture 3 instrumental aperture flag, band 2 -- meta.code int(1)    
w3mag_3 Aperture 3 instrumental aperture mag, band 3 mag phot.mag;em.IR.8-15um double(1)    
w3sigm_3 Aperture 3 instrumental aperture mag uncertainty, band 3 mag stat.error;phot.mag double(1)    
w3flg_3 Aperture 3 instrumental aperture flag, band 3 -- meta.code int(1)    
w4mag_3 Aperture 3 instrumental aperture mag, band 4 mag phot.mag;em.IR.15-30um double(1)    
w4sigm_3 Aperture 3 instrumental aperture mag uncertainty, band 4 mag stat.error;phot.mag double(1)    
w4flg_3 Aperture 3 instrumental aperture flag, band 4 -- meta.code int(1)    
w1mag_4 Aperture 4 instrumental aperture mag, band 1 mag phot.mag;em.IR.3-4um double(1)    
w1sigm_4 Aperture 4 instrumental aperture mag uncertainty, band 1 mag stat.error;phot.mag double(1)    
w1flg_4 Aperture 4 instrumental aperture flag, band 1 -- meta.code int(1)    
w2mag_4 Aperture 4 instrumental aperture mag, band 2 mag phot.mag;em.IR.4-8um double(1)    
w2sigm_4 Aperture 4 instrumental aperture mag uncertainty, band 2 mag stat.error;phot.mag double(1)    
w2flg_4 Aperture 4 instrumental aperture flag, band 2 -- meta.code int(1)    
w3mag_4 Aperture 4 instrumental aperture mag, band 3 mag phot.mag;em.IR.8-15um double(1)    
w3sigm_4 Aperture 4 instrumental aperture mag uncertainty, band 3 mag stat.error;phot.mag double(1)    
w3flg_4 Aperture 4 instrumental aperture flag, band 3 -- meta.code int(1)    
w4mag_4 Aperture 4 instrumental aperture mag, band 4 mag phot.mag;em.IR.15-30um double(1)    
w4sigm_4 Aperture 4 instrumental aperture mag uncertainty, band 4 mag stat.error;phot.mag double(1)    
w4flg_4 Aperture 4 instrumental aperture flag, band 4 -- meta.code int(1)    
w1mag_5 Aperture 5 instrumental aperture mag, band 1 mag phot.mag;em.IR.3-4um double(1)    
w1sigm_5 Aperture 5 instrumental aperture mag uncertainty, band 1 mag stat.error;phot.mag double(1)    
w1flg_5 Aperture 5 instrumental aperture flag, band 1 -- meta.code int(1)    
w2mag_5 Aperture 5 instrumental aperture mag, band 2 mag phot.mag;em.IR.4-8um double(1)    
w2sigm_5 Aperture 5 instrumental aperture mag uncertainty, band 2 mag stat.error;phot.mag double(1)    
w2flg_5 Aperture 5 instrumental aperture flag, band 2 -- meta.code int(1)    
w3mag_5 Aperture 5 instrumental aperture mag, band 3 mag phot.mag;em.IR.8-15um double(1)    
w3sigm_5 Aperture 5 instrumental aperture mag uncertainty, band 3 mag stat.error;phot.mag double(1)    
w3flg_5 Aperture 5 instrumental aperture flag, band 3 -- meta.code int(1)    
w4mag_5 Aperture 5 instrumental aperture mag, band 4 mag phot.mag;em.IR.15-30um double(1)    
w4sigm_5 Aperture 5 instrumental aperture mag uncertainty, band 4 mag stat.error;phot.mag double(1)    
w4flg_5 Aperture 5 instrumental aperture flag, band 4 -- meta.code int(1)    
w1mag_6 Aperture 6 instrumental aperture mag, band 1 mag phot.mag;em.IR.3-4um double(1)    
w1sigm_6 Aperture 6 instrumental aperture mag uncertainty, band 1 mag stat.error;phot.mag double(1)    
w1flg_6 Aperture 6 instrumental aperture flag, band 1 -- meta.code int(1)    
w2mag_6 Aperture 6 instrumental aperture mag, band 2 mag phot.mag;em.IR.4-8um double(1)    
w2sigm_6 Aperture 6 instrumental aperture mag uncertainty, band 2 mag stat.error;phot.mag double(1)    
w2flg_6 Aperture 6 instrumental aperture flag, band 2 -- meta.code int(1)    
w3mag_6 Aperture 6 instrumental aperture mag, band 3 mag phot.mag;em.IR.8-15um double(1)    
w3sigm_6 Aperture 6 instrumental aperture mag uncertainty, band 3 mag stat.error;phot.mag double(1)    
w3flg_6 Aperture 6 instrumental aperture flag, band 3 -- meta.code int(1)    
w4mag_6 Aperture 6 instrumental aperture mag, band 4 mag phot.mag;em.IR.15-30um double(1)    
w4sigm_6 Aperture 6 instrumental aperture mag uncertainty, band 4 mag stat.error;phot.mag double(1)    
w4flg_6 Aperture 6 instrumental aperture flag, band 4 -- meta.code int(1)    
w1mag_7 Aperture 7 instrumental aperture mag, band 1 mag phot.mag;em.IR.3-4um double(1)    
w1sigm_7 Aperture 7 instrumental aperture mag uncertainty, band 1 mag stat.error;phot.mag double(1)    
w1flg_7 Aperture 7 instrumental aperture flag, band 1 -- meta.code int(1)    
w2mag_7 Aperture 7 instrumental aperture mag, band 2 mag phot.mag;em.IR.4-8um double(1)    
w2sigm_7 Aperture 7 instrumental aperture mag uncertainty, band 2 mag stat.error;phot.mag double(1)    
w2flg_7 Aperture 7 instrumental aperture flag, band 2 -- meta.code int(1)    
w3mag_7 Aperture 7 instrumental aperture mag, band 3 mag phot.mag;em.IR.8-15um double(1)    
w3sigm_7 Aperture 7 instrumental aperture mag uncertainty, band 3 mag stat.error;phot.mag double(1)    
w3flg_7 Aperture 7 instrumental aperture flag, band 3 -- meta.code int(1)    
w4mag_7 Aperture 7 instrumental aperture mag, band 4 mag phot.mag;em.IR.15-30um double(1)    
w4sigm_7 Aperture 7 instrumental aperture mag uncertainty, band 4 mag stat.error;phot.mag double(1)    
w4flg_7 Aperture 7 instrumental aperture flag, band 4 -- meta.code int(1)    
w1mag_8 Aperture 8 instrumental aperture mag, band 1 mag phot.mag;em.IR.3-4um double(1)    
w1sigm_8 Aperture 8 instrumental aperture mag uncertainty, band 1 mag stat.error;phot.mag double(1)    
w1flg_8 Aperture 8 instrumental aperture flag, band 1 -- meta.code int(1)    
w2mag_8 Aperture 8 instrumental aperture mag, band 2 mag phot.mag;em.IR.4-8um double(1)    
w2sigm_8 Aperture 8 instrumental aperture mag uncertainty, band 2 mag stat.error;phot.mag double(1)    
w2flg_8 Aperture 8 instrumental aperture flag, band 2 -- meta.code int(1)    
w3mag_8 Aperture 8 instrumental aperture mag, band 3 mag phot.mag;em.IR.8-15um double(1)    
w3sigm_8 Aperture 8 instrumental aperture mag uncertainty, band 3 mag stat.error;phot.mag double(1)    
w3flg_8 Aperture 8 instrumental aperture flag, band 3 -- meta.code int(1)    
w4mag_8 Aperture 8 instrumental aperture mag, band 4 mag phot.mag;em.IR.15-30um double(1)    
w4sigm_8 Aperture 8 instrumental aperture mag uncertainty, band 4 mag stat.error;phot.mag double(1)    
w4flg_8 Aperture 8 instrumental aperture flag, band 4 -- meta.code int(1)    
w1magp Profile-fit repeatability mag -- inverse-variance weighted mean mag, band 1 mag phot.mag;em.IR.3-4um double(1)    
w1sigp1 Standard deviation of population of profile-fit repeatability mag, band 1 mag stat.error;phot.mag double(1)    
w1sigp2 Standard deviation of the mean of profile-fit repeatability mag, band 1 mag stat.error;phot.mag double(1)    
w1k Stetson K variability index, band 1 -- src.var.index double(1)    
w1ndf Number degrees of freedom in variability chi^2, band 1 -- stat.fit.dof int(1)    
w1mlq -ln(Q), where Q = 1 - P(chi^2), band 1 -- stat.param double(1)    
w1mjdmin Minimum modified Julian Date of frame extractions, band 1 d time.epoch;obs;stat.min double(1)    
w1mjdmax Maximum modified Julian Date of frame extractions, band 1 d time.epoch;obs;stat.max double(1)    
w1mjdmean Mean modified Julian Date of frame extractions, band 1 d time.epoch;obs;stat.mean double(1)    
w2magp Profile-fit repeatability mag -- inverse-variance weighted mean mag, band 2 mag phot.mag;em.IR.4-8um double(1)    
w2sigp1 Standard deviation of the population of profile-fit repeatability mag, band 2 mag stat.error;phot.mag double(1)    
w2sigp2 Standard deviation of the mean of profile-fit repeatability mag, band 2 mag stat.error;phot.mag double(1)    
w2k Stetson K variability index, band 2 -- src.var.index double(1)    
w2ndf Number degrees of freedom in variability chi^2, band 2 -- stat.fit.dof int(1)    
w2mlq -ln(Q), where Q = 1 - P(chi^2), band 2 -- stat.param double(1)    
w2mjdmin Minimum modified Julian Date of frame extractions, band 2 d time.epoch;obs;stat.min double(1)    
w2mjdmax Maximum modified Julian Date of frame extractions, band 2 d time.epoch;obs;stat.max double(1)    
w2mjdmean Mean modified Julian Date of frame extractions, band 2 d time.epoch;obs;stat.mean double(1)    
w3magp Profile-fit repeatability mag -- inverse-variance weighted mean mag, band 3 mag phot.mag;em.IR.8-15um double(1)    
w3sigp1 Standard deviation of the population of profile-fit repeatability mag, band 3 mag stat.error;phot.mag double(1)    
w3sigp2 Standard deviation of the mean of profile-fit repeatability mag, band 3 mag stat.error;phot.mag double(1)    
w3k Stetson K variability index, band 3 -- src.var.index double(1)    
w3ndf Number degrees of freedom in variability chi^2, band 3 -- stat.fit.dof int(1)    
w3mlq -ln(Q), where Q = 1 - P(chi^2), band 3 -- stat.param double(1)    
w3mjdmin Minimum modified Julian Date of frame extractions, band 3 d time.epoch;obs;stat.min double(1)    
w3mjdmax Maximum modified Julian Date of frame extractions, band 3 d time.epoch;obs;stat.max double(1)    
w3mjdmean Mean modified Julian Date of frame extractions, band 3 d time.epoch;obs;stat.mean double(1)    
w4magp Profile-fit repeatability mag -- inverse-variance weighted mean mag, band 4 mag phot.mag;em.IR.15-30um double(1)    
w4sigp1 Standard deviation of the population of profile-fit repeatability mag, band 4 mag stat.error;phot.mag double(1)    
w4sigp2 Standard deviation of the mean of profile-fit repeatability mag, band 4 mag stat.error;phot.mag double(1)    
w4k Stetson K variability index, band 4 -- src.var.index double(1)    
w4ndf Number degrees of freedom in variability chi^2, band 4 -- stat.fit.dof int(1)    
w4mlq -ln(Q), where Q = 1 - P(chi^2), band 4 -- stat.param double(1)    
w4mjdmin Minimum modified Julian Date of frame extractions, band 4 d time.epoch;obs;stat.min double(1)    
w4mjdmax Maximum modified Julian Date of frame extractions, band 4 d time.epoch;obs;stat.max double(1)    
w4mjdmean Mean modified Julian Date of frame extractions, band 4 d time.epoch;obs;stat.mean double(1)    
rho12 band 1 - band 2 correlation coefficient percent stat.correlation int(1)    
rho23 band 2 - band 3 correlation coefficient percent stat.correlation int(1)    
rho34 band 3 - band 4 correlation coefficient percent stat.correlation int(1)    
q12 -log10(1 - P(rho12)), given no real correlation -- stat.param int(1)    
q23 -log10(1 - P(rho23)), given no real correlation -- stat.param int(1)    
q34 -log10(1 - P(rho34)), given no real correlation -- stat.param int(1)    
xscprox Distance between source center and XSC galaxy arcsec pos.angDistance double(1)    
w1rsemi Semi-major axis of galaxy from XSC, band 1 arcsec phys.angSize.smajAxis;em.IR.3-4um double(1)    
w1ba Axis ratio of galaxy from XSC, band 1 -- phys.size.axisRatio double(1)    
w1pa Position angle (E of N) of galaxy from XSC, band 1 deg pos.posAng double(1)    
w1gmag Elliptical aperture mag of extracted galaxy, band 1 mag phot.mag;em.IR.3-4um double(1)    
w1gerr Elliptical aperture mag uncertainty of extracted galaxy, band 1 mag stat.error;phot.mag double(1)    
w1gflg Elliptical aperture flag of extracted galaxy, band 1 -- meta.code int(1)    
w2rsemi Semi-major axis of galaxy from XSC, band 2 arcsec phys.angSize.smajAxis;em.IR.4-8um double(1)    
w2ba Axis ratio of galaxy from XSC, band 2 -- phys.size.axisRatio double(1)    
w2pa Position angle (E of N) of galaxy from XSC, band 2 deg pos.posAng double(1)    
w2gmag Elliptical aperture mag of extracted galaxy, band 2 mag phot.mag;em.IR.4-8um double(1)    
w2gerr Elliptical aperture mag uncertainty of extracted galaxy, band 2 mag stat.error;phot.mag double(1)    
w2gflg Elliptical aperture flag of extracted galaxy, band 2 -- meta.code int(1)    
w3rsemi Semi-major axis of galaxy from XSC, band 3 arcsec phys.angSize.smajAxis;em.IR.8-15um double(1)    
w3ba Axis ratio of galaxy from XSC, band 3 -- phys.size.axisRatio double(1)    
w3pa Position angle (E of N) of galaxy from XSC, band 3 deg pos.posAng double(1)    
w3gmag Elliptical aperture mag of extracted galaxy, band 3 mag phot.mag;em.IR.8-15um double(1)    
w3gerr Elliptical aperture mag uncertainty of extracted galaxy, band 3 mag stat.error;phot.mag double(1)    
w3gflg Elliptical aperture flag of extracted galaxy, band 3 -- meta.code int(1)    
w4rsemi Semi-major axis of galaxy from XSC, band 4 arcsec phys.angSize.smajAxis;em.IR.15-30um double(1)    
w4ba Axis ratio of galaxy from XSC, band 4 -- phys.size.axisRatio double(1)    
w4pa Position angle (E of N) of galaxy from XSC, band 4 deg pos.posAng double(1)    
w4gmag Elliptical aperture mag of extracted galaxy, band 4 mag phot.mag;em.IR.15-30um double(1)    
w4gerr Elliptical aperture mag uncertainty of extracted galaxy, band 4 mag stat.error;phot.mag double(1)    
w4gflg Elliptical aperture flag of extracted galaxy, band 4 -- meta.code int(1)    
tmass_key Closest associated 2MASS All-Sky Release PSC key -- meta.id.assoc long(1)  
r_2mass Radial offset between WISE src and associated 2MASS src arcsec pos.angDistance double(1)    
pa_2mass Position angle (E of N) of vector from WISE src to associated 2MASS src deg pos.posAng double(1)    
n_2mass Number of 2MASS All-Sky PSC entries found within search radius of WISE src -- meta.number int(1)    
j_m_2mass J magnitude entry of the associated 2MASS All-Sky PSC source mag phot.mag;em.IR.J double(1)  
j_msig_2mass J photometric uncertainty of the associated 2MASS All-Sky PSC source mag stat.error;phot.mag double(1)    
h_m_2mass H magnitude entry of the associated 2MASS All-Sky PSC source mag phot.mag;em.IR.H double(1)  
h_msig_2mass H photometric uncertainty of the associated 2MASS All-Sky PSC source mag stat.error;phot.mag double(1)    
k_m_2mass Ks magnitude entry of the associated 2MASS All-Sky PSC source mag phot.mag;em.IR.K double(1)  
k_msig_2mass Ks photometric uncertainty of the associated 2MASS All-Sky PSC source mag stat.error;phot.mag double(1)    
x Unit sphere (x,y,z) position x value -- pos.cartesian.x double(1)    
y Unit sphere (x,y,z) position y value -- pos.cartesian.y double(1)    
z Unit sphere (x,y,z) position z value -- pos.cartesian.z double(1)    
spt_ind Spatial (x,y,z) index key -- pos.cartesian int(1)    
htm20 HTM20 spatial index key -- pos.HTM long(1)    

ext.apass_dr9

AAVSO Photometric All Sky Survey (APASS) DR9
(61,176,401 rows, 25 columns)

ColumnDescriptionUnitUCD1+DatatypePrincipal?Indexed?
recno Unique record number (same as VizieR, not official identifier) -- meta.record int(1)
raj2000 Right ascension in decimal degrees (J2000) deg pos.eq.ra;meta.main double(1)
dej2000 Declination in decimal degrees (J2000) deg pos.eq.dec;meta.main double(1)
e_raj2000 RA uncertainty arcsec stat.error;pos.eq.ra double(1)    
e_dej2000 Dec uncertainty arcsec stat.error;pos.eq.dec double(1)    
field Field name -- obs.field int(1)    
nobs Number of observed nights -- meta.number int(1)    
mobs Number of images for this field, usually nobs*5 -- meta.number int(1)    
bmv B-V color index mag phot.color;em.opt.B;em.opt.V double(1)  
e_bmv B-V uncertainty mag stat.error;phot.color double(1)    
vmag Johnson V-band magnitude mag phot.mag;em.opt.V double(1)  
e_vmag Vmag uncertainty mag stat.error;phot.mag;em.opt.V double(1)    
f_vmag Uncertainty flag on e_Vmag (0 = Standard deviation of N observations, 1 = Poisson error of single observation) -- meta.code.error int(1)    
bmag Johnson B-band magnitude mag phot.mag;em.opt.B double(1)  
e_bmag Bmag uncertainty mag stat.error;phot.mag;em.opt.B double(1)    
f_bmag Uncertainty flag on e_Bmag (0 = Standard deviation of N observations, 1 = Poisson error of single observation) -- meta.code.error int(1)    
gmag g'-band AB magnitude, Sloan filter mag phot.mag;em.opt.B double(1)  
e_gmag gmag uncertainty mag stat.error;phot.mag;em.opt.B double(1)    
f_gmag Uncertainty flag on e_gmag (0 = Standard deviation of N observations, 1 = Poisson error of single observation) -- meta.code.error int(1)    
rmag r'-band AB magnitude, Sloan filter mag phot.mag;em.opt.R double(1)  
e_rmag rmag uncertainty mag stat.error;phot.mag;em.opt.R double(1)    
f_rmag Uncertainty flag on e_rmag (0 = Standard deviation of N observations, 1 = Poisson error of single observation) -- meta.code.error int(1)    
imag i'-band AB magnitude, Sloan filter mag phot.mag;em.opt.I double(1)  
e_imag imag uncertainty mag stat.error;phot.mag;em.opt.I double(1)    
f_imag Uncertainty flag on e_imag (0 = Standard deviation of N observations, 1 = Poisson error of single observation) -- meta.code.error int(1)    

ext.atlas_dr4

VST ATLAS Data Release 4
(155,778,147 rows, 170 columns)

Column Description Unit UCD1+ Datatype Principal? Indexed?
iauname IAU identifier   meta.id;meta.main CHAR(1)    
sourceID UID (unique over entire OSA via programme ID prefix) of this merged detection as assigned by merge algorithm   meta.id;meta.main BIGINT(1)    
cuEventID UID of curation event giving rise to this record   meta.bib INT(1)    
frameSetID UID of the set of frames that this merged source comes from   meta.bib BIGINT(1)    
ra2000 Celestial Right Ascension Degrees pos.eq.ra;meta.main FLOAT(1)    
dec2000 Celestial Declination Degrees pos.eq.dec;meta.main FLOAT(1)    
l Galactic longitude Degrees pos.galactic.lon FLOAT(1)    
b Galactic latitude Degrees pos.galactic.lat FLOAT(1)    
lambda SDSS system spherical co-ordinate 1 Degrees pos FLOAT(1)    
eta SDSS system spherical co-ordinate 2 Degrees pos FLOAT(1)    
priOrSec Seam code for a unique (=0) or duplicated (!=0) source (eg. flags overlap duplicates).   meta.code BIGINT(1)    
umgPnt Point source colour U-G (using aperMag3) mag phot.color;em.opt.U;em.opt.B REAL(1)    
umgPntErr Error on point source colour U-G mag stat.error;em.opt.U;em.opt.B REAL(1)    
gmrPnt Point source colour G-R (using aperMag3) mag phot.color;em.opt.B;em.opt.R REAL(1)    
gmrPntErr Error on point source colour G-R mag stat.error;em.opt.B;em.opt.R REAL(1)    
rmiPnt Point source colour R-I (using aperMag3) mag phot.color;em.opt.R;em.opt.I REAL(1)    
rmiPntErr Error on point source colour R-I mag stat.error;em.opt.R;em.opt.I REAL(1)    
imzPnt Point source colour I-Z (using aperMag3) mag phot.color;em.opt.I;em.opt.I REAL(1)    
imzPntErr Error on point source colour I-Z mag stat.error;em.opt.I;em.opt.I REAL(1)    
umgExt Extended source colour U-G (using aperMagNoAperCorr3) mag phot.color;em.opt.U;em.opt.B REAL(1)    
umgExtErr Error on extended source colour U-G mag stat.error;em.opt.U;em.opt.B REAL(1)    
gmrExt Extended source colour G-R (using aperMagNoAperCorr3) mag phot.color;em.opt.B;em.opt.R REAL(1)    
gmrExtErr Error on extended source colour G-R mag stat.error;em.opt.B;em.opt.R REAL(1)    
rmiExt Extended source colour R-I (using aperMagNoAperCorr3) mag phot.color;em.opt.R;em.opt.I REAL(1)    
rmiExtErr Error on extended source colour R-I mag stat.error;em.opt.R;em.opt.I REAL(1)    
imzExt Extended source colour I-Z (using aperMagNoAperCorr3) mag phot.color;em.opt.I;em.opt.I REAL(1)    
imzExtErr Error on extended source colour I-Z mag stat.error;em.opt.I;em.opt.I REAL(1)    
mergedClassStat Merged N(0-1) stellarness-of-profile statistic   stat REAL(1)    
mergedClass Class flag from available measurements (1|0|-1|-2|-3|-9=galaxy|noise|stellar|probableStar|probableGalaxy|saturated)   meta.code SMALLINT(1)    
pStar Probability that the source is a star   stat.probability REAL(1)    
pGalaxy Probability that the source is a galaxy   stat.probability REAL(1)    
pNoise Probability that the source is noise   stat.probability REAL(1)    
pSaturated Probability that the source is saturated   stat.probability REAL(1)    
eBV The galactic dust extinction value measured from the Schlegel Finkbeiner Davis (1998) maps. This uses the correction given in Bonifacio Monai Beers (2000). This correction reduces the extinction value in regions of high extinction (E(B-V)>0.1)   phys.absorption.gal REAL(1)    
aU The galactic extinction correction in the U band for extragalactic objects mag phys.absorption.gal REAL(1)    
aG The galactic extinction correction in the G band for extragalactic objects mag phys.absorption.gal REAL(1)    
aR The galactic extinction correction in the R band for extragalactic objects mag phys.absorption.gal REAL(1)    
aI The galactic extinction correction in the I band for extragalactic objects mag phys.absorption.gal REAL(1)    
aZ The galactic extinction correction in the Z band for extragalactic objects mag phys.absorption.gal REAL(1)    
uMjd The mean Modified Julian Day of each detection day time.epoch;em.opt.U FLOAT(1)    
uPetroMag Extended source U mag (Petrosian) mag phot.mag;em.opt.U REAL(1)    
uPetroMagErr Error in extended source U mag (Petrosian) mag stat.error;phot.mag;em.opt.U REAL(1)    
uKronMag Extended source U mag (Kron) mag phot.mag;em.opt.U REAL(1)    
uKronMagErr Error in extended source U mag (Kron) mag stat.error;phot.mag;em.opt.U REAL(1)    
uAperMag3 Default point source U aperture corrected mag (2.0 arcsec aperture diameter) mag phot.mag;em.opt.U REAL(1)    
uAperMag3Err Error in default point/extended source U mag (2.0 arcsec aperture diameter) mag stat.error;phot.mag;em.opt.U REAL(1)    
uAperMag4 Point source U aperture corrected mag (2.8 arcsec aperture diameter) mag phot.mag;em.opt.U REAL(1)    
uAperMag4Err Error in point/extended source U mag (2.8 arcsec aperture diameter) mag stat.error;phot.mag;em.opt.U REAL(1)    
uAperMag6 Point source U aperture corrected mag (5.7 arcsec aperture diameter) mag phot.mag;em.opt.U REAL(1)    
uAperMag6Err Error in point/extended source U mag (5.7 arcsec aperture diameter) mag stat.error;phot.mag;em.opt.U REAL(1)    
uAperMagNoAperCorr3 Default extended source U aperture mag (2.0 arcsec aperture diameter) mag phot.mag;em.opt.U REAL(1)    
uAperMagNoAperCorr4 Extended source U aperture mag (2.8 arcsec aperture diameter) mag phot.mag;em.opt.U REAL(1)    
uAperMagNoAperCorr6 Extended source U aperture mag (5.7 arcsec aperture diameter) mag phot.mag;em.opt.U REAL(1)    
uHlCorSMjRadAs Seeing corrected half-light semi-major axis in U band arcsec phys.angSize;em.opt.U REAL(1)    
uGausig RMS of axes of ellipse fit in U pixels src.morph.param;em.opt.U REAL(1)    
uEll 1-b/a where a/b=semi-major/minor axes in U   src.ellipticity;em.opt.U REAL(1)    
uPA ellipse fit celestial orientation in U Degrees pos.posAng;em.opt.U REAL(1)    
uErrBits processing warning/error bitwise flags in U   meta.code;em.opt.U INT(1)    
uAverageConf average confidence in 2 arcsec diameter default aperture (aper3) U   stat.likelihood;em.opt.U REAL(1)    
uClass discrete image classification flag in U   src.class;em.opt.U SMALLINT(1)    
uClassStat N(0-1) stellarness-of-profile statistic in U   stat;em.opt.U REAL(1)    
uppErrBits additional WFAU post-processing error bits in U   meta.code;em.opt.U INT(1)    
uSeqNum the running number of the U detection   meta.number;em.opt.U INT(1)    
uXi Offset of U detection from master position (+east/-west) arcsec pos.eq.ra;arith.diff;em.opt.U REAL(1)    
uEta Offset of U detection from master position (+north/-south) arcsec pos.eq.dec;arith.diff;em.opt.U REAL(1)    
gMjd The mean Modified Julian Day of each detection day time.epoch;em.opt.B FLOAT(1)    
gPetroMag Extended source G mag (Petrosian) mag phot.mag;em.opt.B REAL(1)    
gPetroMagErr Error in extended source G mag (Petrosian) mag stat.error;phot.mag;em.opt.B REAL(1)    
gKronMag Extended source G mag (Kron) mag phot.mag;em.opt.B REAL(1)    
gKronMagErr Error in extended source G mag (Kron) mag stat.error;phot.mag;em.opt.B REAL(1)    
gAperMag3 Default point source G aperture corrected mag (2.0 arcsec aperture diameter) mag phot.mag;em.opt.B REAL(1)    
gAperMag3Err Error in default point/extended source G mag (2.0 arcsec aperture diameter) mag stat.error;phot.mag;em.opt.B REAL(1)    
gAperMag4 Point source G aperture corrected mag (2.8 arcsec aperture diameter) mag phot.mag;em.opt.B REAL(1)    
gAperMag4Err Error in point/extended source G mag (2.8 arcsec aperture diameter) mag stat.error;phot.mag;em.opt.B REAL(1)    
gAperMag6 Point source G aperture corrected mag (5.7 arcsec aperture diameter) mag phot.mag;em.opt.B REAL(1)    
gAperMag6Err Error in point/extended source G mag (5.7 arcsec aperture diameter) mag stat.error;phot.mag;em.opt.B REAL(1)    
gAperMagNoAperCorr3 Default extended source G aperture mag (2.0 arcsec aperture diameter) mag phot.mag;em.opt.B REAL(1)    
gAperMagNoAperCorr4 Extended source G aperture mag (2.8 arcsec aperture diameter) mag phot.mag;em.opt.B REAL(1)    
gAperMagNoAperCorr6 Extended source G aperture mag (5.7 arcsec aperture diameter) mag phot.mag;em.opt.B REAL(1)    
gHlCorSMjRadAs Seeing corrected half-light semi-major axis in G band arcsec phys.angSize;em.opt.B REAL(1)    
gGausig RMS of axes of ellipse fit in G pixels src.morph.param;em.opt.B REAL(1)    
gEll 1-b/a where a/b=semi-major/minor axes in G   src.ellipticity;em.opt.B REAL(1)    
gPA ellipse fit celestial orientation in G Degrees pos.posAng;em.opt.B REAL(1)    
gErrBits processing warning/error bitwise flags in G   meta.code;em.opt.B INT(1)    
gAverageConf average confidence in 2 arcsec diameter default aperture (aper3) G   stat.likelihood;em.opt.B REAL(1)    
gClass discrete image classification flag in G   src.class;em.opt.B SMALLINT(1)    
gClassStat N(0-1) stellarness-of-profile statistic in G   stat;em.opt.B REAL(1)    
gppErrBits additional WFAU post-processing error bits in G   meta.code;em.opt.B INT(1)    
gSeqNum the running number of the G detection   meta.number;em.opt.B INT(1)    
gXi Offset of G detection from master position (+east/-west) arcsec pos.eq.ra;arith.diff;em.opt.B REAL(1)    
gEta Offset of G detection from master position (+north/-south) arcsec pos.eq.dec;arith.diff;em.opt.B REAL(1)    
rMjd The mean Modified Julian Day of each detection day time.epoch;em.opt.R FLOAT(1)    
rPetroMag Extended source R mag (Petrosian) mag phot.mag;em.opt.R REAL(1)    
rPetroMagErr Error in extended source R mag (Petrosian) mag stat.error;phot.mag;em.opt.R REAL(1)    
rKronMag Extended source R mag (Kron) mag phot.mag;em.opt.R REAL(1)    
rKronMagErr Error in extended source R mag (Kron) mag stat.error;phot.mag;em.opt.R REAL(1)    
rAperMag3 Default point source R aperture corrected mag (2.0 arcsec aperture diameter) mag phot.mag;em.opt.R REAL(1)    
rAperMag3Err Error in default point/extended source R mag (2.0 arcsec aperture diameter) mag stat.error;phot.mag;em.opt.R REAL(1)    
rAperMag4 Point source R aperture corrected mag (2.8 arcsec aperture diameter) mag phot.mag;em.opt.R REAL(1)    
rAperMag4Err Error in point/extended source R mag (2.8 arcsec aperture diameter) mag stat.error;phot.mag;em.opt.R REAL(1)    
rAperMag6 Point source R aperture corrected mag (5.7 arcsec aperture diameter) mag phot.mag;em.opt.R REAL(1)    
rAperMag6Err Error in point/extended source R mag (5.7 arcsec aperture diameter) mag stat.error;phot.mag;em.opt.R REAL(1)    
rAperMagNoAperCorr3 Default extended source R aperture mag (2.0 arcsec aperture diameter) mag phot.mag;em.opt.R REAL(1)    
rAperMagNoAperCorr4 Extended source R aperture mag (2.8 arcsec aperture diameter) mag phot.mag;em.opt.R REAL(1)    
rAperMagNoAperCorr6 Extended source R aperture mag (5.7 arcsec aperture diameter) mag phot.mag;em.opt.R REAL(1)    
rHlCorSMjRadAs Seeing corrected half-light semi-major axis in R band arcsec phys.angSize;em.opt.R REAL(1)    
rGausig RMS of axes of ellipse fit in R pixels src.morph.param;em.opt.R REAL(1)    
rEll 1-b/a where a/b=semi-major/minor axes in R   src.ellipticity;em.opt.R REAL(1)    
rPA ellipse fit celestial orientation in R Degrees pos.posAng;em.opt.R REAL(1)    
rErrBits processing warning/error bitwise flags in R   meta.code;em.opt.R INT(1)    
rAverageConf average confidence in 2 arcsec diameter default aperture (aper3) R   stat.likelihood;em.opt.R REAL(1)    
rClass discrete image classification flag in R   src.class;em.opt.R SMALLINT(1)    
rClassStat N(0-1) stellarness-of-profile statistic in R   stat;em.opt.R REAL(1)    
rppErrBits additional WFAU post-processing error bits in R   meta.code;em.opt.R INT(1)    
rSeqNum the running number of the R detection   meta.number;em.opt.R INT(1)    
rXi Offset of R detection from master position (+east/-west) arcsec pos.eq.ra;arith.diff;em.opt.R REAL(1)    
rEta Offset of R detection from master position (+north/-south) arcsec pos.eq.dec;arith.diff;em.opt.R REAL(1)    
iMjd The mean Modified Julian Day of each detection day time.epoch;em.opt.I FLOAT(1)    
iPetroMag Extended source I mag (Petrosian) mag phot.mag;em.opt.I REAL(1)    
iPetroMagErr Error in extended source I mag (Petrosian) mag stat.error;phot.mag;em.opt.I REAL(1)    
iKronMag Extended source I mag (Kron) mag phot.mag;em.opt.I REAL(1)    
iKronMagErr Error in extended source I mag (Kron) mag stat.error;phot.mag;em.opt.I REAL(1)    
iAperMag3 Default point source I aperture corrected mag (2.0 arcsec aperture diameter) mag phot.mag;em.opt.I REAL(1)    
iAperMag3Err Error in default point/extended source I mag (2.0 arcsec aperture diameter) mag stat.error;phot.mag;em.opt.I REAL(1)    
iAperMag4 Point source I aperture corrected mag (2.8 arcsec aperture diameter) mag phot.mag;em.opt.I REAL(1)    
iAperMag4Err Error in point/extended source I mag (2.8 arcsec aperture diameter) mag stat.error;phot.mag;em.opt.I REAL(1)    
iAperMag6 Point source I aperture corrected mag (5.7 arcsec aperture diameter) mag phot.mag;em.opt.I REAL(1)    
iAperMag6Err Error in point/extended source I mag (5.7 arcsec aperture diameter) mag stat.error;phot.mag;em.opt.I REAL(1)    
iAperMagNoAperCorr3 Default extended source I aperture mag (2.0 arcsec aperture diameter) mag phot.mag;em.opt.I REAL(1)    
iAperMagNoAperCorr4 Extended source I aperture mag (2.8 arcsec aperture diameter) mag phot.mag;em.opt.I REAL(1)    
iAperMagNoAperCorr6 Extended source I aperture mag (5.7 arcsec aperture diameter) mag phot.mag;em.opt.I REAL(1)    
iHlCorSMjRadAs Seeing corrected half-light semi-major axis in I band arcsec phys.angSize;em.opt.I REAL(1)    
iGausig RMS of axes of ellipse fit in I pixels src.morph.param;em.opt.I REAL(1)    
iEll 1-b/a where a/b=semi-major/minor axes in I   src.ellipticity;em.opt.I REAL(1)    
iPA ellipse fit celestial orientation in I Degrees pos.posAng;em.opt.I REAL(1)    
iErrBits processing warning/error bitwise flags in I   meta.code;em.opt.I INT(1)    
iAverageConf average confidence in 2 arcsec diameter default aperture (aper3) I   stat.likelihood;em.opt.I REAL(1)    
iClass discrete image classification flag in I   src.class;em.opt.I SMALLINT(1)    
iClassStat N(0-1) stellarness-of-profile statistic in I   stat;em.opt.I REAL(1)    
ippErrBits additional WFAU post-processing error bits in I   meta.code;em.opt.I INT(1)    
iSeqNum the running number of the I detection   meta.number;em.opt.I INT(1)    
iXi Offset of I detection from master position (+east/-west) arcsec pos.eq.ra;arith.diff;em.opt.I REAL(1)    
iEta Offset of I detection from master position (+north/-south) arcsec pos.eq.dec;arith.diff;em.opt.I REAL(1)    
zMjd The mean Modified Julian Day of each detection day time.epoch;em.opt.I FLOAT(1)    
zPetroMag Extended source Z mag (Petrosian) mag phot.mag;em.opt.I REAL(1)    
zPetroMagErr Error in extended source Z mag (Petrosian) mag stat.error;phot.mag;em.opt.I REAL(1)    
zKronMag Extended source Z mag (Kron) mag phot.mag;em.opt.I REAL(1)    
zKronMagErr Error in extended source Z mag (Kron) mag stat.error;phot.mag;em.opt.I REAL(1)    
zAperMag3 Default point source Z aperture corrected mag (2.0 arcsec aperture diameter) mag phot.mag;em.opt.I REAL(1)    
zAperMag3Err Error in default point/extended source Z mag (2.0 arcsec aperture diameter) mag stat.error;phot.mag;em.opt.I REAL(1)    
zAperMag4 Point source Z aperture corrected mag (2.8 arcsec aperture diameter) mag phot.mag;em.opt.I REAL(1)    
zAperMag4Err Error in point/extended source Z mag (2.8 arcsec aperture diameter) mag stat.error;phot.mag;em.opt.I REAL(1)    
zAperMag6 Point source Z aperture corrected mag (5.7 arcsec aperture diameter) mag phot.mag;em.opt.I REAL(1)    
zAperMag6Err Error in point/extended source Z mag (5.7 arcsec aperture diameter) mag stat.error;phot.mag;em.opt.I REAL(1)    
zAperMagNoAperCorr3 Default extended source Z aperture mag (2.0 arcsec aperture diameter) mag phot.mag;em.opt.I REAL(1)    
zAperMagNoAperCorr4 Extended source Z aperture mag (2.8 arcsec aperture diameter) mag phot.mag;em.opt.I REAL(1)    
zAperMagNoAperCorr6 Extended source Z aperture mag (5.7 arcsec aperture diameter) mag phot.mag;em.opt.I REAL(1)    
zHlCorSMjRadAs Seeing corrected half-light semi-major axis in Z band arcsec phys.angSize;em.opt.I REAL(1)    
zGausig RMS of axes of ellipse fit in Z pixels src.morph.param;em.opt.I REAL(1)    
zEll 1-b/a where a/b=semi-major/minor axes in Z   src.ellipticity;em.opt.I REAL(1)    
zPA ellipse fit celestial orientation in Z Degrees pos.posAng;em.opt.I REAL(1)    
zErrBits processing warning/error bitwise flags in Z   meta.code;em.opt.I INT(1)    
zAverageConf average confidence in 2 arcsec diameter default aperture (aper3) Z   stat.likelihood;em.opt.I REAL(1)    
zClass discrete image classification flag in Z   src.class;em.opt.I SMALLINT(1)    
zClassStat N(0-1) stellarness-of-profile statistic in Z   stat;em.opt.I REAL(1)    
zppErrBits additional WFAU post-processing error bits in Z   meta.code;em.opt.I INT(1)    
zSeqNum the running number of the Z detection   meta.number;em.opt.I INT(1)    
zXi Offset of Z detection from master position (+east/-west) arcsec pos.eq.ra;arith.diff;em.opt.I REAL(1)    
zEta Offset of Z detection from master position (+north/-south) arcsec pos.eq.dec;arith.diff;em.opt.I REAL(1)    
primary_source Primary source (1=yes 0=no)   meta.code SMALLINT(1)    

ext.catwise2020

CatWISE2020 Catalog
(1,890,715,640 rows, 187 columns)

Column Description Unit UCD1+ Datatype Principal? Indexed?
source_name source hexagesimal designation NULL meta.id;meta.main varchar
source_id tile name + processing code + wphot index NULL meta.id;meta.main integer
ra right ascension (J2000) deg pos.eq.ra;meta.main double
dec declination (J2000) deg pos.eq.dec;meta.main double
sigra uncertainty in RA arcsec pos.eq.ra;stat.error real    
sigdec uncertainty in DEC arcsec pos.eq.dec;stat.error real    
sigradec cross-term of RA and Dec uncertainties arcsec pos.eq;stat.correlation real    
wx x pixel value pix pos.cartesian.x real    
wy y pixel value pix pos.cartesian.y real    
w1sky frame sky background value in band 1 dn instr.skyLevel real    
w1sigsk frame sky background value uncertainty in band 1 dn instr.skyLevel;stat.error real    
w1conf frame sky confusion based on the uncertainty images in band 1 dn stat.error real    
w2sky frame sky background value in band 2 dn instr.skyLevel real    
w2sigsk frame sky background value uncertainty in band 2 dn instr.skyLevel;stat.error real    
w2conf frame sky confusion based on the uncertainty images in band 2 dn stat.error real    
w1fitr fitting radius in band 1 arcsec phys.angSize real    
w2fitr fitting radius in band 2 arcsec phys.angSize real    
w1snr instrumental profile-fit photometry S/N ratio in band 1 NULL stat.snr real    
w2snr instrumental profile-fit photometry S/N ratio in band 2 NULL stat.snr real    
w1flux profile-fit photometry raw flux in band 1 dn phot.count real    
w1sigflux profile-fit photometry raw flux uncertainty in band 2 dn phot.count;stat.error real    
w2flux profile-fit photometry raw flux in band 2 dn phot.count real    
w2sigflux profile-fit photometry raw flux uncertainty in band 2 dn phot.count;stat.error real    
w1mpro instrumental profile-fit photometry magnitude in band 1 mag phot.mag real
w1sigmpro instrumental profile-fit photometry flux uncertainty in mag units in band 1 mag phot.mag;stat.error real
w1rchi2 instrumental profile-fit photometry reduced chi^2 in band 1 NULL stat.fit.chi2 real    
w2mpro instrumental profile-fit photometry magnitude in band 2 mag phot.mag real
w2sigmpro instrumental profile-fit photometry flux uncertainty in mag units in band 2 mag phot.mag;stat.error real
w2rchi2 instrumental profile-fit photometry reduced chi^2 in band 2 NULL stat.fit.chi2 real    
rchi2 instrumental profile-fit photometry reduced chi squared: total NULL stat.fit.chi2 real    
nb number of blend components used in each fit NULL meta.number integer    
na number of actively deblended components NULL meta.number integer    
w1Sat fraction of pixels affected by saturation in band 1 NULL stat real    
w2Sat fraction of pixels affected by saturation in band 2 NULL stat real    
w1mag instrumental standard aperture mag w/ aperture correction applied in band 1 mag phot.mag real    
w1sigm instrumental standard aperture mag uncertainty in band 1 mag phot.mag;stat.error real    
w1flg instrumental standard aperture flag in band 1 NULL meta.code.qual integer    
w1Cov mean coverage depth in band 1 NULL meta.number real    
w2mag instrumental standard aperture mag w/ aperture correction applied in band 2 mag phot.mag real    
w2sigm instrumental standard aperture mag uncertainty in band 2 mag phot.mag;stat.error real    
w2flg instrumental standard aperture flag in band 2 NULL meta.code.qual integer    
w2Cov mean coverage depth in band 2 NULL meta.number real    
w1mag_1 aperture 1 instrumental aperture mag in band 1 mag phot.mag real    
w1sigm_1 aperture 1 instrumental aperture mag uncertainty in band 1 mag phot.mag;stat.error real    
w1flg_1 aperture 1 instrumental aperture flag in band 1 NULL meta.code.qual integer    
w2mag_1 aperture 1 instrumental aperture mag in band 2 mag phot.mag real    
w2sigm_1 aperture 1 instrumental aperture mag uncertainty in band 2 mag phot.mag;stat.error real    
w2flg_1 aperture 1 instrumental aperture flag in band 2 NULL meta.code.qual integer    
w1mag_2 aperture 2 instrumental aperture mag in band 1 mag phot.mag real    
w1sigm_2 aperture 2 instrumental aperture mag uncertainty in band 1 mag phot.mag;stat.error real    
w1flg_2 aperture 2 instrumental aperture flag in band 1 NULL meta.code.qual integer    
w2mag_2 aperture 2 instrumental aperture mag in band 2 mag phot.mag real    
w2sigm_2 aperture 2 instrumental aperture mag uncertainty in band 2 mag phot.mag;stat.error real    
w2flg_2 aperture 2 instrumental aperture flag in band 2 NULL meta.code.qual integer    
w1mag_3 aperture 3 instrumental aperture mag in band 1 mag phot.mag real    
w1sigm_3 aperture 3 instrumental aperture mag uncertainty in band 1 mag phot.mag;stat.error real    
w1flg_3 aperture 3 instrumental aperture flag in band 1 NULL meta.code.qual integer    
w2mag_3 aperture 3 instrumental aperture mag in band 2 mag phot.mag real    
w2sigm_3 aperture 3 instrumental aperture mag uncertainty in band 2 mag phot.mag;stat.error real    
w2flg_3 aperture 3 instrumental aperture flag in band 2 NULL meta.code.qual integer    
w1mag_4 aperture 4 instrumental aperture mag in band 1 mag phot.mag real    
w1sigm_4 aperture 4 instrumental aperture mag uncertainty in band 1 mag phot.mag;stat.error real    
w1flg_4 aperture 4 instrumental aperture flag in band 1 NULL meta.code.qual integer    
w2mag_4 aperture 4 instrumental aperture mag in band 2 mag phot.mag real    
w2sigm_4 aperture 4 instrumental aperture mag uncertainty in band 2 mag phot.mag;stat.error real    
w2flg_4 aperture 4 instrumental aperture flag in band 2 NULL meta.code.qual integer    
w1mag_5 aperture 5 instrumental aperture mag in band 1 mag phot.mag real    
w1sigm_5 aperture 5 instrumental aperture mag uncertainty in band 1 mag phot.mag;stat.error real    
w1flg_5 aperture 5 instrumental aperture flag in band 1 NULL meta.code.qual integer    
w2mag_5 aperture 5 instrumental aperture mag in band 2 mag phot.mag real    
w2sigm_5 aperture 5 instrumental aperture mag uncertainty in band 2 mag phot.mag;stat.error real    
w2flg_5 aperture 5 instrumental aperture flag in band 2 NULL meta.code.qual integer    
w1mag_6 aperture 6 instrumental aperture mag in band 1 mag phot.mag real    
w1sigm_6 aperture 6 instrumental aperture mag uncertainty in band 1 mag phot.mag;stat.error real    
w1flg_6 aperture 6 instrumental aperture flag in band 1 NULL meta.code.qual integer    
w2mag_6 aperture 6 instrumental aperture mag in band 2 mag phot.mag real    
w2sigm_6 aperture 6 instrumental aperture mag uncertainty in band 2 mag phot.mag;stat.error real    
w2flg_6 aperture 6 instrumental aperture flag in band 2 NULL meta.code.qual integer    
w1mag_7 aperture 7 instrumental aperture mag in band 1 mag phot.mag real    
w1sigm_7 aperture 7 instrumental aperture mag uncertainty in band 1 mag phot.mag;stat.error real    
w1flg_7 aperture 7 instrumental aperture flag in band 1 NULL meta.code.qual integer    
w2mag_7 aperture 7 instrumental aperture mag in band 2 mag phot.mag real    
w2sigm_7 aperture 7 instrumental aperture mag uncertainty in band 2 mag phot.mag;stat.error real    
w2flg_7 aperture 7 instrumental aperture flag in band 2 NULL meta.code.qual integer    
w1mag_8 aperture 8 instrumental aperture mag in band 1 mag phot.mag real    
w1sigm_8 aperture 8 instrumental aperture mag uncertainty in band 1 mag phot.mag;stat.error real    
w1flg_8 aperture 8 instrumental aperture flag in band 1 NULL meta.code.qual integer    
w2mag_8 aperture 8 instrumental aperture mag in band 2 mag phot.mag real    
w2sigm_8 aperture 8 instrumental aperture mag uncertainty in band 2 mag phot.mag;stat.error real    
w2flg_8 aperture 8 instrumental aperture flag in band 2 NULL meta.code.qual integer    
w1NM number of profile-fit flux measurements for source with SNR >= 3 in band 1 NULL meta.number integer    
w1M number of profile-fit flux measurements for source in band 1 NULL meta.number integer    
w1magP profile-fit repeatability mag NULL inverse-variance weighted mean mag in band 1 mag phot.mag real    
w1sigP1 standard deviation of population of profile-fit repeatability mag in band 1 mag phot.mag;stat.stdev real    
w1sigP2 standard deviation of the mean of profile-fit repeatability mag in band 1 mag phot.mag;stat.stdev real    
w1k Stetson K variability index in band 1 NULL src.var real    
w1Ndf number degrees of freedom in variability chi^2 in band 1 NULL stat.fit.dof integer    
w1mLQ -ln(Q); where Q = 1 - P(chi^2) in band 1 NULL stat.fit.goodness real    
w1mJDmin minimum modified Julian Date of frame extractions in band 1 d time.epoch double    
w1mJDmax maximum modified Julian Date of frame extractions in band 1 d time.epoch double    
w1mJDmean mean modified Julian Date of frame extractions in band 1 d time.epoch double    
w2NM number of profile-fit flux measurements for source with SNR >= 3 in band 2 NULL meta.number integer    
w2M number of profile-fit flux measurements for source in band 2 NULL meta.number integer    
w2magP profile-fit repeatability mag NULL inverse-variance weighted mean mag in band 2 mag phot.mag real    
w2sigP1 standard deviation of population of profile-fit repeatability mag in band 2 mag phot.mag;stat.stdev real    
w2sigP2 standard deviation of the mean of profile-fit repeatability mag in band 2 mag phot.mag;stat.stdev real    
w2k Stetson K variability index in band 2 NULL src.var real    
w2Ndf number degrees of freedom in variability chi^2 in band 2 NULL stat.fit.dof integer    
w2mLQ -ln(Q); where Q = 1 - P(chi^2) in band 2 NULL stat.fit.goodness real    
w2mJDmin minimum modified Julian Date of frame extractions in band 2 d time.epoch double    
w2mJDmax maximum modified Julian Date of frame extractions in band 2 d time.epoch double    
w2mJDmean mean modified Julian Date of frame extractions in band 2 d time.epoch double    
rho12 band 1 - band 2 correlation coefficient percent stat.correlation integer    
q12 -log10(1 - P(rho12)); given no real correlation percent stat.fit.goodness integer    
nIters number of chi-square minimization iterations NULL meta.number integer    
nSteps number of steps in all iterations NULL meta.number integer    
mdetID source ID in mdet list NULL meta.id integer    
p1 vector from the mdet position to the wphot template-fit position for component 1 arcsec pos.angDistance real    
p2 vector from the mdet position to the wphot template-fit position for component 2 arcsec pos.angDistance real    
MeanObsMJD mean observation epoch d time.epoch double    
ra_pm Right ascension at epoch MJD=57170 (2015.405) from psf model incl. motion deg pos.eq.ra;meta.main double    
dec_pm Declination at epoch MJD=57170 (2015.405) from psf model incl. motion deg pos.eq.dec;meta.main double    
sigra_pm One-sigma uncertainty in RA from psf model incl. motion arcsec pos.eq.ra;stat.error real    
sigdec_pm One-sigma uncertainty in DEC from psf model incl. motion arcsec pos.eq.dec;stat.error real    
sigradec_pm The co-sigma of the equatorial position uncertainties from psf model incl motion arcsec pos.eq;stat.correlation real    
PMRA Apparent motion in RA arcsec/yr pos.pm;pos.eq.ra real    
PMDec Apparent motion in Dec arcsec/yr pos.pm;pos.eq.dec real    
sigPMRA Uncertainty in the RA motion estimate arcsec/yr pos.pm;pos.eq.ra;stat.error real    
sigPMDec Uncertainty in the Dec motion estimate arcsec/yr pos.pm;pos.eq.dec;stat.error real    
w1snr_pm S/N ratio of the W1 profile-fit photometry including motion NULL stat.snr real    
w2snr_pm S/N ratio of the W2 profile-fit photometry including motion NULL stat.snr real    
w1flux_pm Raw flux W1 profile-fit photometry including motion dn phot.count real    
w1sigflux_pm Raw flux uncertainty W1 profile-fit photometry including motion dn phot.count;stat.error real    
w2flux_pm Raw flux W2 profile-fit photometry including motion dn phot.count real    
w2sigflux_pm Raw flux uncertainty W2 profile-fit photometry including motion dn phot.count;stat.error real    
w1mpro_pm W1 magnitude from profile-fit photometry including motion mag phot.mag real
w1sigmpro_pm W1 flux uncertainty in mag units from profile-fit photometry including motion mag phot.mag;stat.error real
w1rchi2_pm Reduced chi^2 of the W1 profile-fit photometry measurement including motion est NULL stat.chi2 real    
w2mpro_pm W2 magnitude from profile-fit photometry including motion mag phot.mag real
w2sigmpro_pm W2 flux uncertainty in mag units from profile-fit photometry including motion mag phot.mag;stat.error real
w2rchi2_pm Reduced chi^2 of the W2 profile-fit photometry measurement including motion est NULL stat.chi2 real    
rchi2_pm Combined Reduced chi^2 in all bands for the psf photometry includes src motion NULL stat.chi2 real    
pmcode Motion estimate quality code NULL meta.code varchar    
nIters_pm number of chi-square minimization iterations NULL meta.number integer    
nSteps_pm number of steps in all iterations NULL meta.number integer    
dist_ad radial distance between source positions in ascending and descending scans arcsec pos.angDistance real    
dw1mag difference in w1mpro between ascending and descending scans mag phot.mag real    
rch2w1 chi-square for dw1mag (1 degree of freedom) NULL stat.chi2 real    
dw2mag difference in w2mpro between ascending and descending scans mag phot.mag real    
rch2w2 chi-square for dw2mag (1 degree of freedom) NULL stat.chi2 real    
elon_avg average ecliptic longitude deg pos.ecliptic.lon double    
elonSig uncertainty in elon_avg arcsec pos.ecliptic.lon;stat.error real    
elat_avg average ecliptic latitude deg pos.ecliptic.lat double    
elatSig uncertainty in elat_avg arcsec pos.ecliptic.lat;stat.error real    
Delon descending scan - ascending scan ecliptic longitude difference arcsec pos.angDistance real    
DelonSig one-sigma uncertainty in Delon arcsec pos.angDistance;stat.error real    
Delat descending scan - ascending scan ecliptic longitude difference arcsec pos.angDistance real    
DelatSig one-sigma uncertainty in Delat arcsec pos.angDistance;stat.error real    
DelonSNR abs(Delon)/DelonSig NULL stat.snr real    
DelatSNR abs(Delat)/DelatSig NULL stat.snr real    
chi2pmra chi-square for PMRA difference (1 degree of freedom) NULL stat.chi2 real    
chi2pmdec chi-square for PMDec difference (1 degree of freedom) NULL stat.chi2 real    
ka astrometry usage code NULL meta.code integer    
k1 W1 photometry usage code NULL meta.code integer    
k2 W2 photometry usage code NULL meta.code integer    
km proper motion usage code NULL meta.code integer    
par_pm parallax from PM desc-asce elon arcsec pos.parallax.trig real    
par_pmSig one-sigma uncertainty in par_pm arcsec pos.parallax.trig;stat.error real    
par_stat parallax estimate from stationary solution arcsec pos.parallax.trig real    
par_sigma one-sigma uncertainty in par_stat arcsec pos.parallax.trig;stat.error real    
dist_cc distance between CatWISE and AllWISE source arcsec pos.angDistance double    
cc_flags worst case 4 character cc_flag from AllWISE NULL meta.code varchar    
w1cc_map worst case w1cc_map from AllWISE NULL meta.code integer    
w1cc_map_str worst case w1cc_map_str from AllWISE NULL meta.code varchar    
w2cc_map worst case w2cc_map from AllWISE NULL meta.code integer    
w2cc_map_str worst case w2cc_map_str from AllWISE NULL meta.code varchar    
n_aw number of sources within 2.75arcsec in AllWISE NULL meta.number integer    
ab_flags unWISE artifact bitmask contamination flags NULL meta.code.qual varchar    
w1ab_map unWISE artifact bitmask contamination map for W1 NULL meta.code integer    
w1ab_map_str unWISE artifact bitmask contamination string for W1 NULL meta.code varchar    
w2ab_map unWISE artifact bitmask contamination map for W2 NULL meta.code integer    
w2ab_map_str unWISE artifact bitmask contamination string for W2 NULL meta.code varchar    
glon Galactic longitude deg pos.galactic.lon double    
glat Galactic latitude deg pos.galactic.lat double    
elon Ecliptic longitude deg pos.ecliptic.lon double    
elat Ecliptic latitude deg pos.ecliptic.lat double    
unwise_objid UnWISE Object ID NULL meta.id varchar  

ext.des_dr2

Dark Energy Survey (DES) Data Release 2
(691,483,608 rows, 229 columns)

Column Description Unit UCD1+ Datatype Principal? Indexed?
coadd_object_id Unique identifier for the coadded objects   meta.id;meta.main BIGINT(1)    
hpix_32 Healpix ID for nside=32; nested schema   pos.healpix BIGINT(1)    
hpix_64 Healpix ID for nside=64; nested schema   pos.healpix BIGINT(1)    
hpix_1024 Healpix ID for nside=1024; nested schema   pos.healpix BIGINT(1)    
hpix_4096 Healpix ID for nside=4096; nested schema   pos.healpix BIGINT(1)    
hpix_16384 Healpix ID for nside=16384; nested schema   pos.healpix BIGINT(1)    
ra Right ascension with quantized precision for indexing (ALPHAWIN_J2000 has full precision but not indexed) degrees pos.eq.ra;meta.main DOUBLE(1)    
dec Declination with quantized precision for indexing (DELTAWIN_J2000 has full precision but not indexed) degrees pos.eq.dec;meta.main DOUBLE(1)    
alphawin_j2000 Right ascension for the object; J2000 in ICRS system (full precision but not indexed) degrees pos.eq.ra DOUBLE(1)    
deltawin_j2000 Declination for the object; J2000 in ICRS (full precision but not indexed) degrees pos.eq.dec DOUBLE(1)    
galactic_l Galactic Longitude degrees pos.galactic.lon DOUBLE(1)    
galactic_b Galactic Latitude degrees pos.galactic.lat DOUBLE(1)    
ecliptic_lon Ecliptic Longitude degrees pos.ecliptic.lon DOUBLE(1)    
ecliptic_lat Ecliptic Latitude degrees pos.ecliptic.lat DOUBLE(1)    
xwin_image X-centroid from windowed measurements on coadded image pixel pos.cartesian.x DOUBLE(1)    
ywin_image Y-centroid from windowed measurements on coadded image pixel pos.cartesian.y DOUBLE(1)    
errx2win_image_g Uncertainty in second moment of x-distribution centroid from converged windowed measurements pixel^2 pos.cartesian.x;phys.size;stat.error DOUBLE(1)    
errx2win_image_r Uncertainty in second moment of x-distribution centroid from converged windowed measurements pixel^2 pos.cartesian.x;phys.size;stat.error DOUBLE(1)    
errx2win_image_i Uncertainty in second moment of x-distribution centroid from converged windowed measurements pixel^2 pos.cartesian.x;phys.size;stat.error DOUBLE(1)    
errx2win_image_z Uncertainty in second moment of x-distribution centroid from converged windowed measurements pixel^2 pos.cartesian.x;phys.size;stat.error DOUBLE(1)    
errx2win_image_y Uncertainty in second moment of x-distribution centroid from converged windowed measurements pixel^2 pos.cartesian.x;phys.size;stat.error DOUBLE(1)    
erry2win_image_g Uncertainty in second moment of y-distribution centroid from converged windowed measurements pixel^2 pos.cartesian.y;phys.size;stat.error DOUBLE(1)    
erry2win_image_r Uncertainty in second moment of y-distribution centroid from converged windowed measurements pixel^2 pos.cartesian.y;phys.size;stat.error DOUBLE(1)    
erry2win_image_i Uncertainty in second moment of y-distribution centroid from converged windowed measurements pixel^2 pos.cartesian.y;phys.size;stat.error DOUBLE(1)    
erry2win_image_z Uncertainty in second moment of y-distribution centroid from converged windowed measurements pixel^2 pos.cartesian.y;phys.size;stat.error DOUBLE(1)    
erry2win_image_y Uncertainty in second moment of y-distribution centroid from converged windowed measurements pixel^2 pos.cartesian.y;phys.size;stat.error DOUBLE(1)    
errxywin_image_g Uncertainty in second moment of xy-distribution from converged windowed measurements pixel^2 pos.cartesian.x;pos.cartesian.y;phys.size;stat.error DOUBLE(1)    
errxywin_image_r Uncertainty in second moment of xy-distribution from converged windowed measurements pixel^2 pos.cartesian.x;pos.cartesian.y;phys.size;stat.error DOUBLE(1)    
errxywin_image_i Uncertainty in second moment of xy-distribution from converged windowed measurements pixel^2 pos.cartesian.x;pos.cartesian.y;phys.size;stat.error DOUBLE(1)    
errxywin_image_z Uncertainty in second moment of xy-distribution from converged windowed measurements pixel^2 pos.cartesian.x;pos.cartesian.y;phys.size;stat.error DOUBLE(1)    
errxywin_image_y Uncertainty in second moment of xy-distribution from converged windowed measurements pixel^2 pos.cartesian.x;pos.cartesian.y;phys.size;stat.error DOUBLE(1)    
x2win_image_g Second moment in x-direction from converged windowed measurements pixel^2 pos.cartesian.x;phys.size DOUBLE(1)    
x2win_image_r Second moment in x-direction from converged windowed measurements pixel^2 pos.cartesian.x;phys.size DOUBLE(1)    
x2win_image_i Second moment in x-direction from converged windowed measurements pixel^2 pos.cartesian.x;phys.size DOUBLE(1)    
x2win_image_z Second moment in x-direction from converged windowed measurements pixel^2 pos.cartesian.x;phys.size DOUBLE(1)    
x2win_image_y Second moment in x-direction from converged windowed measurements pixel^2 pos.cartesian.x;phys.size DOUBLE(1)    
y2win_image_g Second moment in y-direction from converged windowed measurements pixel^2 pos.cartesian.y;phys.size DOUBLE(1)    
y2win_image_r Second moment in y-direction from converged windowed measurements pixel^2 pos.cartesian.y;phys.size DOUBLE(1)    
y2win_image_i Second moment in y-direction from converged windowed measurements pixel^2 pos.cartesian.y;phys.size DOUBLE(1)    
y2win_image_z Second moment in y-direction from converged windowed measurements pixel^2 pos.cartesian.y;phys.size DOUBLE(1)    
y2win_image_y Second moment in y-direction from converged windowed measurements pixel^2 pos.cartesian.y;phys.size DOUBLE(1)    
xywin_image_g Second moment in xy-direction from converged windowed measurements pixel^2 pos.cartesian.x;pos.cartesian.y;phys.size DOUBLE(1)    
xywin_image_r Second moment in xy-direction from converged windowed measurements pixel^2 pos.cartesian.x;pos.cartesian.y;phys.size DOUBLE(1)    
xywin_image_i Second moment in xy-direction from converged windowed measurements pixel^2 pos.cartesian.x;pos.cartesian.y;phys.size DOUBLE(1)    
xywin_image_z Second moment in xy-direction from converged windowed measurements pixel^2 pos.cartesian.x;pos.cartesian.y;phys.size DOUBLE(1)    
xywin_image_y Second moment in xy-direction from converged windowed measurements pixel^2 pos.cartesian.x;pos.cartesian.y;phys.size DOUBLE(1)    
xwin_image_g X-centroid from windowed measurements on coadded image pixel pos.cartesian.x DOUBLE(1)    
xwin_image_r X-centroid from windowed measurements on coadded image pixel pos.cartesian.x DOUBLE(1)    
xwin_image_i X-centroid from windowed measurements on coadded image pixel pos.cartesian.x DOUBLE(1)    
xwin_image_z X-centroid from windowed measurements on coadded image pixel pos.cartesian.x DOUBLE(1)    
xwin_image_y X-centroid from windowed measurements on coadded image pixel pos.cartesian.x DOUBLE(1)    
ywin_image_g Y-centroid from windowed measurements on coadded image   pos.cartesian.y DOUBLE(1)    
ywin_image_r Y-centroid from windowed measurements on coadded image   pos.cartesian.y DOUBLE(1)    
ywin_image_i Y-centroid from windowed measurements on coadded image   pos.cartesian.y DOUBLE(1)    
ywin_image_z Y-centroid from windowed measurements on coadded image   pos.cartesian.y DOUBLE(1)    
ywin_image_y Y-centroid from windowed measurements on coadded image   pos.cartesian.y DOUBLE(1)    
a_image Major axis size based on an isophotal model pixel phys.size.smajAxis REAL(1)    
erra_image Uncertainty in major axis size from isophotal model pixel phys.size.smajAxis;stat.error REAL(1)    
b_image Minor axis size based on an isophotal model pixel phys.size.sminAxis REAL(1)    
errb_image Uncertainty in minor axis size from isophotal model pixel phys.size.sminAxis;stat.error REAL(1)    
theta_j2000 Position angle of source in J2000 coordinates from non-windowed measurement degrees pos.posAng REAL(1)    
errtheta_image Uncertainty in source position from isophotal model degrees pos.posAng;stat.error REAL(1)    
kron_radius Kron radius pixel phys.size REAL(1)    
ebv_sfd98 E(B-V) reddening oefficient from Schelgel Finkbeiner and Davis (1998) mag phys.absorption.gal REAL(1)    
mag_auto_g_dered Dereddened magnitude estimation (using SFD98) for an elliptical model based on the Kron radius mag phot.mag.reddFree;em.opt REAL(1)    
mag_auto_r_dered Dereddened magnitude estimation (using SFD98) for an elliptical model based on the Kron radius mag phot.mag.reddFree;em.opt REAL(1)    
mag_auto_i_dered Dereddened magnitude estimation (using SFD98) for an elliptical model based on the Kron radius mag phot.mag.reddFree;em.opt REAL(1)    
mag_auto_z_dered Dereddened magnitude estimation (using SFD98) for an elliptical model based on the Kron radius mag phot.mag.reddFree;em.opt REAL(1)    
mag_auto_y_dered Dereddened magnitude estimation (using SFD98) for an elliptical model based on the Kron radius mag phot.mag.reddFree;em.opt REAL(1)    
wavg_mag_psf_g_dered Dereddened weighted average magnitude (using SFD98) from PSF fit single epoch detections mag phot.mag.reddFree;em.opt REAL(1)    
wavg_mag_psf_r_dered Dereddened weighted average magnitude (using SFD98) from PSF fit single epoch detections mag phot.mag.reddFree;em.opt REAL(1)    
wavg_mag_psf_i_dered Dereddened weighted average magnitude (using SFD98) from PSF fit single epoch detections mag phot.mag.reddFree;em.opt REAL(1)    
wavg_mag_psf_z_dered Dereddened weighted average magnitude (using SFD98) from PSF fit single epoch detections mag phot.mag.reddFree;em.opt REAL(1)    
wavg_mag_psf_y_dered Dereddened weighted average magnitude (using SFD98) from PSF fit single epoch detections mag phot.mag.reddFree;em.opt REAL(1)    
awin_image_g Major axis size from 2nd order windowed moment measurements pixels phys.size.smajAxis REAL(1)    
awin_image_r Major axis size from 2nd order windowed moment measurements pixels phys.size.smajAxis REAL(1)    
awin_image_i Major axis size from 2nd order windowed moment measurements pixels phys.size.smajAxis REAL(1)    
awin_image_z Major axis size from 2nd order windowed moment measurements pixels phys.size.smajAxis REAL(1)    
awin_image_y Major axis size from 2nd order windowed moment measurements pixels phys.size.smajAxis REAL(1)    
bwin_image_g Minor axis size from 2nd order windowed moment measurements pixels phys.size.sminAxis REAL(1)    
bwin_image_r Minor axis size from 2nd order windowed moment measurements pixels phys.size.sminAxis REAL(1)    
bwin_image_i Minor axis size from 2nd order windowed moment measurements pixels phys.size.sminAxis REAL(1)    
bwin_image_z Minor axis size from 2nd order windowed moment measurements pixels phys.size.sminAxis REAL(1)    
bwin_image_y Minor axis size from 2nd order windowed moment measurements pixels phys.size.sminAxis REAL(1)    
thetawin_image_g Position angle of source for converged windowed measurement grow from x to y degrees pos.posAng REAL(1)    
thetawin_image_r Position angle of source for converged windowed measurement grow from x to y degrees pos.posAng REAL(1)    
thetawin_image_i Position angle of source for converged windowed measurement grow from x to y degrees pos.posAng REAL(1)    
thetawin_image_z Position angle of source for converged windowed measurement grow from x to y degrees pos.posAng REAL(1)    
thetawin_image_y Position angle of source for converged windowed measurement grow from x to y degrees pos.posAng REAL(1)    
errawin_image_g Uncertainty in major axis size from converged windowed measurement assuming uncorrelated noise pixel phys.size.smajAxis;stat.error REAL(1)    
errawin_image_r Uncertainty in major axis size from converged windowed measurement assuming uncorrelated noise pixel phys.size.smajAxis;stat.error REAL(1)    
errawin_image_i Uncertainty in major axis size from converged windowed measurement assuming uncorrelated noise pixel phys.size.smajAxis;stat.error REAL(1)    
errawin_image_z Uncertainty in major axis size from converged windowed measurement assuming uncorrelated noise pixel phys.size.smajAxis;stat.error REAL(1)    
errawin_image_y Uncertainty in major axis size from converged windowed measurement assuming uncorrelated noise pixel phys.size.smajAxis;stat.error REAL(1)    
errbwin_image_g Uncertainty in minor axis size from converged windowed measurement assuming uncorrelated noise pixel phys.size.sminAxis;stat.error REAL(1)    
errbwin_image_r Uncertainty in minor axis size from converged windowed measurement assuming uncorrelated noise pixel phys.size.sminAxis;stat.error REAL(1)    
errbwin_image_i Uncertainty in minor axis size from converged windowed measurement assuming uncorrelated noise pixel phys.size.sminAxis;stat.error REAL(1)    
errbwin_image_z Uncertainty in Minor axis size from converged windowed measurement assuming uncorrelated noise pixel phys.size.sminAxis;stat.error REAL(1)    
errbwin_image_y Uncertainty in minor axis size from converged windowed measurement assuming uncorrelated noise pixel phys.size.sminAxis;stat.error REAL(1)    
errthetawin_image_g Uncertainty in source position angle from converged windowed measurement degrees pos.posAng;stat.error REAL(1)    
errthetawin_image_r Uncertainty in source position angle from converged windowed measurement degrees pos.posAng;stat.error REAL(1)    
errthetawin_image_i Uncertainty in source position angle from converged windowed measurement degrees pos.posAng;stat.error REAL(1)    
errthetawin_image_z Uncertainty in source position angle from converged windowed measurement degrees pos.posAng;stat.error REAL(1)    
errthetawin_image_y Uncertainty in source position angle from converged windowed measurement degrees pos.posAng;stat.error REAL(1)    
flux_radius_g Half-light radius for the object from elliptical growth-curve modeled in 2 dimensions pixel phys.size REAL(1)    
flux_radius_r Half-light radius for the object from elliptical growth-curve modeled in 2 dimensions pixel phys.size REAL(1)    
flux_radius_i Half-light radius for the object from elliptical growth-curve modeled in 2 dimensions pixel phys.size REAL(1)    
flux_radius_z Half-light radius for the object from elliptical growth-curve modeled in 2 dimensions pixel phys.size REAL(1)    
flux_radius_y Half-light radius for the object from elliptical growth-curve modeled in 2 dimensions pixel phys.size REAL(1)    
fwhm_image_g FWHM measured from the isophotal area from elliptical growth-curve modeled in 2 dimensions pixel phys.size REAL(1)    
fwhm_image_r FWHM measured from the isophotal area from elliptical growth-curve modeled in 2 dimensions pixel phys.size REAL(1)    
fwhm_image_i FWHM measured from the isophotal area from elliptical growth-curve modeled in 2 dimensions pixel phys.size REAL(1)    
fwhm_image_z FWHM measured from the isophotal area from elliptical growth-curve modeled in 2 dimensions pixel phys.size REAL(1)    
fwhm_image_y FWHM measured from the isophotal area from elliptical growth-curve modeled in 2 dimensions pixel phys.size REAL(1)    
background_g Background level by CCD-amplifier mag phot.mag.sb;em.opt REAL(1)    
background_r Background level by CCD-amplifier mag phot.mag.sb;em.opt REAL(1)    
background_i Background level by CCD-amplifier mag phot.mag.sb;em.opt REAL(1)    
background_z Background level by CCD-amplifier mag phot.mag.sb;em.opt REAL(1)    
background_y Background level by CCD-amplifier mag phot.mag.sb;em.opt REAL(1)    
kron_radius_g Kron radius measured from detection image pixel phys.size REAL(1)    
kron_radius_r Kron radius measured from detection image pixel phys.size REAL(1)    
kron_radius_i Kron radius measured from detection image pixel phys.size REAL(1)    
kron_radius_z Kron radius measured from detection image pixel phys.size REAL(1)    
kron_radius_y Kron radius measured from detection image pixel phys.size REAL(1)    
mag_auto_g Magnitude estimation for an elliptical model based on the Kron radius mag phot.mag;em.opt REAL(1)    
mag_auto_r Magnitude estimation for an elliptical model based on the Kron radius mag phot.mag;em.opt REAL(1)    
mag_auto_i Magnitude estimation for an elliptical model based on the Kron radius mag phot.mag;em.opt REAL(1)    
mag_auto_z Magnitude estimation for an elliptical model based on the Kron radius mag phot.mag;em.opt REAL(1)    
mag_auto_y Magnitude estimation for an elliptical model based on the Kron radius mag phot.mag;em.opt REAL(1)    
magerr_auto_g Uncertainty in magnitude estimation for an elliptical model based on the Kron radius mag phot.mag;em.opt;stat.error REAL(1)    
magerr_auto_r Uncertainty in magnitude estimation for an elliptical model based on the Kron radius mag phot.mag;em.opt;stat.error REAL(1)    
magerr_auto_i Uncertainty in magnitude estimation for an elliptical model based on the Kron radius   phot.mag;em.opt;stat.error REAL(1)    
magerr_auto_z Uncertainty in magnitude estimation for an elliptical model based on the Kron radius   phot.mag;em.opt;stat.error REAL(1)    
magerr_auto_y Uncertainty in magnitude estimation for an elliptical model based on the Kron radius   phot.mag;em.opt;stat.error REAL(1)    
wavg_mag_psf_g Weighted average magnitude of PSF fit single epoch detections mag phot.mag;em.opt REAL(1)    
wavg_mag_psf_r Weighted average magnitude of PSF fit single epoch detections mag phot.mag;em.opt REAL(1)    
wavg_mag_psf_i Weighted average magnitude of PSF fit single epoch detections mag phot.mag;em.opt REAL(1)    
wavg_mag_psf_z Weighted average magnitude of PSF fit single epoch detections mag phot.mag;em.opt REAL(1)    
wavg_mag_psf_y Weighted average magnitude of PSF fit single epoch detections mag phot.mag;em.opt REAL(1)    
wavg_magerr_psf_g Uncertainty of weighted averaged magnitude of PSF fit single epoch detections mag phot.mag;em.opt;stat.error REAL(1)    
wavg_magerr_psf_r Uncertainty of weighted averaged magnitude of PSF fit single epoch detections mag phot.mag;em.opt;stat.error REAL(1)    
wavg_magerr_psf_i Uncertainty of weighted averaged magnitude of PSF fit single epoch detections mag phot.mag;em.opt;stat.error REAL(1)    
wavg_magerr_psf_z Uncertainty of weighted averaged magnitude of PSF fit single epoch detections mag phot.mag;em.opt;stat.error REAL(1)    
wavg_magerr_psf_y Uncertainty of weighted averaged magnitude of PSF fit single epoch detections mag phot.mag;em.opt;stat.error REAL(1)    
flux_auto_g Flux measurement for an elliptical model based on Kron radius ADU phot.count;em.opt REAL(1)    
flux_auto_r Flux measurement for an elliptical model based on Kron radius ADU phot.count;em.opt REAL(1)    
flux_auto_i Flux measurement for an elliptical model based on Kron radius ADU phot.count;em.opt REAL(1)    
flux_auto_z Flux measurement for an elliptical model based on Kron radius ADU phot.count;em.opt REAL(1)    
flux_auto_y Flux measurement for an elliptical model based on Kron radius ADU phot.count;em.opt REAL(1)    
fluxerr_auto_g uncertainty in flux measurement for an elliptical model based on Kron radius ADU phot.count;em.opt;stat.error REAL(1)    
fluxerr_auto_r uncertainty in flux measurement for an elliptical model based on Kron radius ADU phot.count;em.opt;stat.error REAL(1)    
fluxerr_auto_i uncertainty in flux measurement for an elliptical model based on Kron radius ADU phot.count;em.opt;stat.error REAL(1)    
fluxerr_auto_z uncertainty in flux measurement for an elliptical model based on Kron radius ADU phot.count;em.opt;stat.error REAL(1)    
fluxerr_auto_y uncertainty in flux measurement for an elliptical model based on Kron radius ADU phot.count;em.opt;stat.error REAL(1)    
wavg_flux_psf_g Weighted average flux measurement of PSF fit single epoch detections ADU phot.count;em.opt REAL(1)    
wavg_flux_psf_r Weighted average flux measurement of PSF fit single epoch detections ADU phot.count;em.opt REAL(1)    
wavg_flux_psf_i Weighted average flux measurement of PSF fit single epoch detections ADU phot.count;em.opt REAL(1)    
wavg_flux_psf_z Weighted average flux measurement of PSF fit single epoch detections ADU phot.count;em.opt REAL(1)    
wavg_flux_psf_y Weighted average flux measurement of PSF fit single epoch detections ADU phot.count;em.opt REAL(1)    
wavg_fluxerr_psf_g Uncertainty of weighted average flux of PSF fit single epoch detections ADU phot.count;em.opt;stat.error REAL(1)    
wavg_fluxerr_psf_r Uncertainty of weighted average flux of PSF fit single epoch detections ADU phot.count;em.opt;stat.error REAL(1)    
wavg_fluxerr_psf_i Uncertainty of weighted average flux of PSF fit single epoch detections ADU phot.count;em.opt;stat.error REAL(1)    
wavg_fluxerr_psf_z Uncertainty of weighted average flux of PSF fit single epoch detections ADU phot.count;em.opt;stat.error REAL(1)    
wavg_fluxerr_psf_y Uncertainty of weighted average flux of PSF fit single epoch detections ADU phot.count;em.opt;stat.error REAL(1)    
class_star_g Simple morphological extended source classifier. Values between 0 (galaxies) and 1 (stars). SPREAD_MODEL exhibits better performance for morphological classification.   meta.code.class REAL(1)    
class_star_r Simple morphological extended source classifier. Values between 0 (galaxies) and 1 (stars). SPREAD_MODEL exhibits better performance for morphological classification.   meta.code.class REAL(1)    
class_star_i Simple morphological extended source classifier. Values between 0 (galaxies) and 1 (stars). SPREAD_MODEL exhibits better performance for morphological classification.   meta.code.class REAL(1)    
class_star_z Simple morphological extended source classifier. Values between 0 (galaxies) and 1 (stars). SPREAD_MODEL exhibits better performance for morphological classification.   meta.code.class REAL(1)    
class_star_y Simple morphological extended source classifier. Values between 0 (galaxies) and 1 (stars). SPREAD_MODEL exhibits better performance for morphological classification.   meta.code.class REAL(1)    
spread_model_g Morphology based classifier based on comparison between a PSF versus exponential-PSF model. Values closer to 0 correspond to stars; larger values correspond to galaxies.   meta.code.class REAL(1)    
spread_model_r Morphology based classifier based on comparison between a PSF versus exponential-PSF model. Values closer to 0 correspond to stars; larger values correspond to galaxies.   meta.code.class REAL(1)    
spread_model_i Morphology based classifier based on comparison between a PSF versus exponential-PSF model. Values closer to 0 correspond to stars; larger values correspond to galaxies.   meta.code.class REAL(1)    
spread_model_z Morphology based classifier based on comparison between a PSF versus exponential-PSF model. Values closer to 0 correspond to stars; larger values correspond to galaxies.   meta.code.class REAL(1)    
spread_model_y Morphology based classifier based on comparison between a PSF versus exponential-PSF model. Values closer to 0 correspond to stars; larger values correspond to galaxies.   meta.code.class REAL(1)    
wavg_spread_model_g SPREAD MODEL using the weighted averaged values from single epoch detections   meta.code.class REAL(1)    
wavg_spread_model_r SPREAD MODEL using the weighted averaged values from single epoch detections   meta.code.class REAL(1)    
wavg_spread_model_i SPREAD MODEL using the weighted averaged values from single epoch detections   meta.code.class REAL(1)    
wavg_spread_model_z SPREAD MODEL using the weighted averaged values from single epoch detections   meta.code.class REAL(1)    
wavg_spread_model_y SPREAD MODEL using the weighted averaged values from single epoch detections   meta.code.class REAL(1)    
spreaderr_model_g Uncertainty in morphology based classifier based on comparison between PSF versus exponential-PSF model.   meta.code.class;stat.error REAL(1)    
spreaderr_model_r Uncertainty in morphology based classifier based on comparison between PSF versus exponential-PSF model.   meta.code.class;stat.error REAL(1)    
spreaderr_model_i Uncertainty in morphology based classifier based on comparison between PSF versus exponential-PSF model.   meta.code.class;stat.error REAL(1)    
spreaderr_model_z Uncertainty in morphology based classifier based on comparison between PSF versus exponential-PSF model.   meta.code.class;stat.error REAL(1)    
spreaderr_model_y Uncertainty in morphology based classifier based on comparison between PSF versus exponential-PSF model.   meta.code.class;stat.error REAL(1)    
wavg_spreaderr_model_g Uncertainty in SPREAD MODEL using the weighted averaged values from single epoch detections   meta.code.class;stat.error REAL(1)    
wavg_spreaderr_model_r Uncertainty in SPREAD MODEL using the weighted averaged values from single epoch detections   meta.code.class;stat.error REAL(1)    
wavg_spreaderr_model_i Uncertainty in SPREAD MODEL using the weighted averaged values from single epoch detections   meta.code.class;stat.error REAL(1)    
wavg_spreaderr_model_z Uncertainty in SPREAD MODEL using the weighted averaged values from single epoch detections   meta.code.class;stat.error REAL(1)    
wavg_spreaderr_model_y Uncertainty in SPREAD MODEL using the weighted averaged values from single epoch detections   meta.code.class;stat.error REAL(1)    
g_r G-R color mag phot.color;em.opt REAL(1)    
r_i R-I color mag phot.color;em.opt REAL(1)    
i_z I-Z color mag phot.color;em.opt REAL(1)    
z_y Z-Y color mag phot.color;em.opt REAL(1)    
snr_g S/N   stat.snr REAL(1)    
snr_r S/N   stat.snr REAL(1)    
snr_i S/N   stat.snr REAL(1)    
snr_z S/N   stat.snr REAL(1)    
snr_y S/N   stat.snr REAL(1)    
imaflags_iso_g Flag identifying sources with missing/flagged pixels considering all single epoch images   meta.code.qual INT(1)    
nepochs_g Number of epochs the source in detected in single epoch images   meta.number INT(1)    
imaflags_iso_r Flag identifying sources with missing/flagged pixels considering all single epoch images   meta.code.qual INT(1)    
nepochs_r Number of epochs the source in detected in single epoch images   meta.number INT(1)    
imaflags_iso_i Flag identifying sources with missing/flagged pixels considering all single epoch images   meta.code.qual INT(1)    
nepochs_i Number of epochs the source in detected in single epoch images   meta.number INT(1)    
imaflags_iso_z Flag identifying sources with missing/flagged pixels considering all single epoch images   meta.code.qual INT(1)    
nepochs_z Number of epochs the source in detected in single epoch images   meta.number INT(1)    
imaflags_iso_y Flag identifying sources with missing/flagged pixels considering all single epoch images   meta.code.qual INT(1)    
nepochs_y Number of epochs the source in detected in single epoch images   meta.number INT(1)    
htm9 HTM Level-9 index   pos.HTM INT(1)    
ring256 Healpix ID with nside=256; ring schema   pos.healpix INT(1)    
nest4096 Healpix ID with nside=4096; nested schema   pos.healpix INT(1)    
isoarea_image_g Isophotal area of the coadded source pixel^2 phys.area INT(1)    
isoarea_image_r Isophotal area of the coadded source pixel^2 phys.area INT(1)    
isoarea_image_i Isophotal area of the coadded source pixel^2 phys.area INT(1)    
isoarea_image_z Isophotal area of the coadded source pixel^2 phys.area INT(1)    
isoarea_image_y Isophotal area of the coadded source pixel^2 phys.area INT(1)    
niter_model_g Number of iterations in model fitting photometric measurements   meta.number INT(1)    
niter_model_r Number of iterations in model fitting photometric measurements   meta.number INT(1)    
niter_model_i Number of iterations in model fitting photometric measurements   meta.number INT(1)    
niter_model_z Number of iterations in model fitting photometric measurements   meta.number INT(1)    
niter_model_y Number of iterations in model fitting photometric measurements   meta.number INT(1)    
flags_g Additive flag describing cautionary advice about source extraction process. Use less than 4 for well behaved objects   meta.code.qual SMALLINT(1)    
flags_r Additive flag describing cautionary advice about source extraction process. Use less than 4 for well behaved objects   meta.code.qual SMALLINT(1)    
flags_i Additive flag describing cautionary advice about source extraction process. Use less than 4 for well behaved objects   meta.code.qual SMALLINT(1)    
flags_z Additive flag describing cautionary advice about source extraction process. Use less than 4 for well behaved objects   meta.code.qual SMALLINT(1)    
flags_y Additive flag describing cautionary advice about source extraction process. Use less than 4 for well behaved objects   meta.code.qual SMALLINT(1)    
tilename Tile name   meta.id CHAR(1)    
extended_class_coadd 0: high confidence stars; 1: candidate stars; 2: mostly galaxies; 3: high confidence galaxies; -9: no data; using sextractor photometry   meta.code SMALLINT(1)    
extended_class_wavg 0: high confidence stars; 1: candidate stars; 2: mostly galaxies; 3: high confidence galaxies; -9: no data; using wavg photometry   SMALLINT(1)    

ext.gaia_dr3

Gaia Data Release 3
(1,811,709,771 rows, 1 columns)

Column Description Unit UCD1+ Datatype Principal? Indexed?
solution_id Solution Identifier   meta.version BIGINT    
designation Unique source designation (unique across all Data Releases)   meta.id;meta.main VARCHAR    
source_id Unique source identifier (unique within a particular Data Release)   meta.id BIGINT    
random_index Random index used to select subsets   meta.code BIGINT    
ref_epoch Reference epoch yr meta.ref;time.epoch DOUBLE    
ra Right ascension deg pos.eq.ra;meta.main DOUBLE    
ra_error Standard error of right ascension mas stat.error;pos.eq.ra DOUBLE    
dec Declination deg pos.eq.dec;meta.main DOUBLE    
dec_error Standard error of declination mas stat.error;pos.eq.dec DOUBLE    
parallax Parallax mas pos.parallax DOUBLE    
parallax_error Standard error of parallax mas stat.error;pos.parallax DOUBLE    
parallax_over_error Parallax divided by its error   arith.ratio REAL    
pm Total proper motion mas.yr**-1 pos.pm REAL    
pmra Proper motion in right ascension direction mas.yr**-1 pos.pm;pos.eq.ra DOUBLE    
pmra_error Standard error of proper motion in right ascension direction mas.yr**-1 stat.error;pos.pm;pos.eq.ra DOUBLE    
pmdec Proper motion in declination direction mas.yr**-1 pos.pm;pos.eq.dec DOUBLE    
pmdec_error Standard error of proper motion in declination direction mas.yr**-1 stat.error;pos.pm;pos.eq.dec DOUBLE    
ra_dec_corr Correlation between right ascension and declination   stat.correlation;pos.eq.ra;pos.eq.dec REAL    
ra_parallax_corr Correlation between right ascension and parallax   stat.correlation;pos.eq.ra;pos.parallax REAL    
ra_pmra_corr Correlation between right ascension and proper motion in right ascension   stat.correlation;pos.eq.ra;pos.pm;pos.eq.ra REAL    
ra_pmdec_corr Correlation between right ascension and proper motion in declination   stat.correlation;pos.eq.ra;pos.pm;pos.eq.dec REAL    
dec_parallax_corr Correlation between declination and parallax   stat.correlation;pos.eq.dec;pos.parallax REAL    
dec_pmra_corr Correlation between declination and proper motion in right ascension   stat.correlation;pos.eq.dec;pos.pm;pos.eq.ra REAL    
dec_pmdec_corr Correlation between declination and proper motion in declination   stat.correlation;pos.eq.dec;pos.pm;pos.eq.dec REAL    
parallax_pmra_corr Correlation between parallax and proper motion in right ascension   stat.correlation;pos.parallax;pos.pm;pos.eq.ra REAL    
parallax_pmdec_corr Correlation between parallax and proper motion in declination   stat.correlation;pos.parallax;pos.pm;pos.eq.dec REAL    
pmra_pmdec_corr Correlation between proper motion in right ascension and proper motion in declination   stat.correlation;pos.pm;pos.eq.ra;pos.pm;pos.eq.dec REAL    
astrometric_n_obs_al Total number of observations AL   meta.number INTEGER    
astrometric_n_obs_ac Total number of observations AC   meta.number INTEGER    
astrometric_n_good_obs_al Number of good observations AL   meta.number INTEGER    
astrometric_n_bad_obs_al Number of bad observations AL   meta.number INTEGER    
astrometric_gof_al Goodness of fit statistic of model wrt along-scan observations   stat.fit.goodness REAL    
astrometric_chi2_al AL chi-square value   stat.fit.chi2 REAL    
astrometric_excess_noise Excess noise of the source mas stat.value DOUBLE    
astrometric_excess_noise_sig Significance of excess noise   stat.value DOUBLE    
astrometric_params_solved Which parameters have been solved for?   meta.number SMALLINT    
astrometric_primary_flag Primary or seconday   meta.code BOOLEAN    
nu_eff_used_in_astrometry Effective wavenumber of the source used in the astrometric solution um**-1 em.wavenumber REAL    
pseudocolour Astrometrically estimated pseudocolour of the source um**-1 em.wavenumber REAL    
pseudocolour_error Standard error of the pseudocolour of the source um**-1 em.wavenumber;stat.error REAL    
ra_pseudocolour_corr Correlation between right ascension and pseudocolour   stat.correlation;em.wavenumber;pos.eq.ra REAL    
dec_pseudocolour_corr Correlation between declination and pseudocolour   stat.correlation;em.wavenumber;pos.eq.dec REAL    
parallax_pseudocolour_corr Correlation between parallax and pseudocolour   stat.correlation;em.wavenumber;pos.parallax REAL    
pmra_pseudocolour_corr Correlation between proper motion in right ascension and pseudocolour   stat.correlation;em.wavenumber;pos.pm;pos.eq.ra REAL    
pmdec_pseudocolour_corr Correlation between proper motion in declination and pseudocolour   stat.correlation;em.wavenumber;pos.pm;pos.eq.dec REAL    
astrometric_matched_transits Matched FOV transits used in the AGIS solution   meta.number SMALLINT    
visibility_periods_used Number of visibility periods used in Astrometric solution   meta.number SMALLINT    
astrometric_sigma5d_max The longest semi-major axis of the 5-d error ellipsoid mas pos.errorEllipse;stat.max REAL    
matched_transits The number of transits matched to this source   meta.number SMALLINT    
new_matched_transits The number of transits newly incorporated into an existing source in the current cycle   meta.number SMALLINT    
matched_transits_removed The number of transits removed from an existing source in the current cycle   meta.number SMALLINT    
ipd_gof_harmonic_amplitude Amplitude of the IPD GoF versus position angle of scan   stat.value REAL    
ipd_gof_harmonic_phase Phase of the IPD GoF versus position angle of scan deg stat.value REAL    
ipd_frac_multi_peak Percent of successful-IPD windows with more than one peak   stat.value SMALLINT    
ipd_frac_odd_win Percent of transits with truncated windows or multiple gate   stat.value SMALLINT    
ruwe Renormalised unit weight error   stat.error REAL    
scan_direction_strength_k1 Degree of concentration of scan directions across the source   stat.value REAL    
scan_direction_strength_k2 Degree of concentration of scan directions across the source   stat.value REAL    
scan_direction_strength_k3 Degree of concentration of scan directions across the source   stat.value REAL    
scan_direction_strength_k4 Degree of concentration of scan directions across the source   stat.value REAL    
scan_direction_mean_k1 Mean position of scan directions across the source deg stat.value REAL    
scan_direction_mean_k2 Mean position of scan directions across the source deg stat.value REAL    
scan_direction_mean_k3 Mean position of scan directions across the source deg stat.value REAL    
scan_direction_mean_k4 Mean position of scan directions across the source deg stat.value REAL    
duplicated_source Source with duplicate sources   meta.code.status BOOLEAN    
phot_g_n_obs Number of observations contributing to G photometry   meta.number INTEGER    
phot_g_mean_flux G-band mean flux electron.s**-1 phot.flux;stat.mean;em.opt DOUBLE    
phot_g_mean_flux_error Error on G-band mean flux electron.s**-1 stat.error;phot.flux;stat.mean;em.opt DOUBLE    
phot_g_mean_flux_over_error G-band mean flux divided by its error   arith.ratio REAL    
phot_g_mean_mag G-band mean magnitude mag phot.mag;stat.mean;em.opt REAL    
phot_bp_n_obs Number of observations contributing to BP photometry   meta.number INTEGER    
phot_bp_mean_flux Integrated BP mean flux electron.s**-1 phot.flux;stat.mean DOUBLE    
phot_bp_mean_flux_error Error on the integrated BP mean flux electron.s**-1 stat.error;phot.flux;stat.mean DOUBLE    
phot_bp_mean_flux_over_error Integrated BP mean flux divided by its error   arith.ratio REAL    
phot_bp_mean_mag Integrated BP mean magnitude mag phot.mag;stat.mean REAL    
phot_rp_n_obs Number of observations contributing to RP photometry   meta.number INTEGER    
phot_rp_mean_flux Integrated RP mean flux electron.s**-1 phot.flux;stat.mean DOUBLE    
phot_rp_mean_flux_error Error on the integrated RP mean flux electron.s**-1 stat.error;phot.flux DOUBLE    
phot_rp_mean_flux_over_error Integrated RP mean flux divided by its error   arith.ratio REAL    
phot_rp_mean_mag Integrated RP mean magnitude mag phot.mag;stat.mean REAL    
phot_bp_n_contaminated_transits Number of BP contaminated transits   meta.number SMALLINT    
phot_bp_n_blended_transits Number of BP blended transits   meta.number SMALLINT    
phot_rp_n_contaminated_transits Number of RP contaminated transits   meta.number SMALLINT    
phot_rp_n_blended_transits Number of RP blended transits   meta.number SMALLINT    
phot_proc_mode Photometry processing mode   meta.code.qual SMALLINT    
phot_bp_rp_excess_factor BP/RP excess factor     REAL    
bp_rp BP - RP colour mag phot.color REAL    
bp_g BP - G colour mag phot.color REAL    
g_rp G - RP colour mag phot.color REAL    
dr2_radial_velocity Radial velocity from Gaia DR2 km.s**-1 spect.dopplerVeloc.opt DOUBLE    
dr2_radial_velocity_error Radial velocity error from Gaia DR2 km.s**-1 stat.error;spect.dopplerVeloc.opt DOUBLE    
dr2_rv_nb_transits Number of transits used to compute radial velocity in Gaia DR2   meta.number SMALLINT    
dr2_rv_template_teff Teff of the template used to compute radial velocity in Gaia DR2 K stat.fit.param REAL    
dr2_rv_template_logg logg of the template used to compute radial velocity in Gaia DR2 log(cm.s**-2) stat.fit.param REAL    
dr2_rv_template_fe_h Fe/H of the template used to compute radial velocity in Gaia DR2 dex stat.fit.param REAL    
l Galactic longitude deg pos.galactic.lon DOUBLE    
b Galactic latitude deg pos.galactic.lat DOUBLE    
ecl_lon Ecliptic longitude deg pos.ecliptic.lon DOUBLE    
ecl_lat Ecliptic latitude deg pos.ecliptic.lat DOUBLE    
gaia_edr3_self_id1 source_id of next closest Gaia eDR3 source   meta.id.cross BIGINT    
gaia_edr3_self_dist1 Distance to next closest Gaia eDR3 source arcsec pos.angDistance REAL    
gaia_edr3_self_id2 source_id of second closest Gaia eDR3 source   meta.id.cross BIGINT    
gaia_edr3_self_dist2 Distance to second closest Gaia eDR3 source arcsec pos.angDistance REAL    
cnt_neighbours_15arcsec Number of Gaia eDR3 neighbours within 15 arcseconds   meta.number INTEGER    

ext.galex_guvcat_ais

GALEX catalogs of unique UV sources - AIS (Bianchi+, 2017). Version fov055, with a 1.1deg diameter per field.
(82,992,086 rows, 95 columns)

Column Description Unit UCD1+ Datatype Principal? Indexed?
objid GALEX identifier for the source. -- meta.id long(1)
photoextractid Pointer to photoExtract Table (identifier of original observation). -- meta.id.cross long(1)    
mpstype Which survey (i.e AIS or MIS). -- meta.code.class text    
avaspra R.A. of center of field where object was measured. deg pos.eq.ra double(1)    
avaspdec Decl. of center of field where object was measured. deg pos.eq.dec double(1)    
fexptime FUV exposure time s time.duration;obs.exposure double(1)    
nexptime NUV exposure time s time.duration;obs.exposure double(1)    
ra Source's Right Ascension (degrees). deg pos.eq.ra double(1)
dec Source's Declination (degrees). deg pos.eq.dec double(1)
glon Source's Galactic longitude (degrees). deg pos.galactic.lon real(1)    
glat Source's Galactic latitude (degrees). deg pos.galactic.lat real(1)    
tilenum Tile number. -- obs.field int(1)    
img Image number (exposure number for _visits). -- obs.image int(1)    
subvisit Number of subvisit if exposure was divided. -- meta.number smallint(1)    
fov_radius Distance of source from center of the field in which it was measured. deg pos.angDistance real(1)    
type Obs.type (0=single;1=multi). -- meta.code.class int(1)    
band Band number (1=nuv; 2=fuv; 3=both). -- meta.code int(1)    
e_bv E(B-V) Galactic Reddening (from Schlegel et al. 1998 maps). -- phot.color.excess;phys.absorption real(1)    
istherespectrum This object has a (GALEX) spectrum - True / False -- meta.code boolean(1)    
chkobj_type Astrometry check type. -- meta.code int(1)    
fuv_mag FUV calibrated magnitude. mag phot.mag;em.UV.100-200nm real(1)
fuv_magerr FUV calibrated magnitude error. mag stat.error;phot.mag;em.UV.100-200nm real(1)  
nuv_mag NUV calibrated magnitude. mag phot.mag;em.UV.200-300nm real(1)
nuv_magerr FUV calibrated magnitude error. mag stat.error;phot.mag;em.UV.200-300nm real(1)  
fuv_mag_auto FUV Kron-like elliptical aperture magnitude. mag phot.mag;em.UV.100-200nm;meta.modelled real(1)    
fuv_magerr_auto FUV RMS error for AUTO magnitude. mag stat.error;phot.mag;em.UV.100-200nm;meta.modelled real(1)    
nuv_mag_auto NUV Kron-like elliptical aperture magnitude. mag phot.mag;em.UV.200-300nm;meta.modelled real(1)    
nuv_magerr_auto NUV RMS error for AUTO magnitude. mag stat.error;phot.mag;em.UV.200-300nm;meta.modelled real(1)    
fuv_mag_aper_4 FUV Magnitude aperture ( 8 pxl ). mag phot.mag;em.UV.100-200nm real(1)    
fuv_magerr_aper_4 FUV Magnitude aperture error ( 8 pxl ). mag stat.error;phot.mag;em.UV.100-200nm real(1)    
nuv_mag_aper_4 NUV Magnitude aperture ( 8 pxl ). mag phot.mag;em.UV.200-300nm real(1)    
nuv_magerr_aper_4 NUV Magnitude aperture ( 8 pxl ) error. mag stat.error;phot.mag;em.UV.200-300nm real(1)    
fuv_mag_aper_6 FUV Magnitude aperture ( 17 pxl ). mag phot.mag;em.UV.100-200nm real(1)    
fuv_magerr_aper_6 FUV Magnitude aperture ( 17 pxl ) error. mag stat.error;phot.mag;em.UV.100-200nm real(1)    
nuv_mag_aper_6 NUV Magnitude aperture ( 17 pxl ). mag phot.mag;em.UV.200-300nm real(1)    
nuv_magerr_aper_6 NUV Magnitude aperture ( 17 pxl ) error. mag stat.error;phot.mag;em.UV.200-300nm real(1)    
fuv_artifact FUV artifact flag (logical OR near source). -- meta.code;em.UV.100-200nm int(1)    
nuv_artifact NUV artifact flag (logical OR near source). -- meta.code;em.UV.200-300nm int(1)    
fuv_flags FUV Extraction flags. -- meta.code;em.UV.100-200nm smallint(1)    
nuv_flags NUV Extraction flags. -- meta.code;em.UV.200-300nm smallint(1)    
fuv_flux FUV calibrated flux (micro Jansky). microJy phot.flux.density;em.UV.100-200nm real(1)    
fuv_fluxerr FUV calibrated flux (micro Jansky) error. microJy stat.error;phot.flux.density;em.UV.100-200nm real(1)    
nuv_flux NUV calibrated flux (micro Jansky). microJy phot.flux.density;em.UV.200-300nm real(1)    
nuv_fluxerr NUV calibrated flux (micro Jansky) error. microJy stat.error;phot.flux.density;em.UV.200-300nm real(1)    
fuv_x_image FUV Object position along x. pix pos.cartesian.x;instr.det real(1)    
fuv_y_image FUV Object position along y. pix pos.cartesian.y;instr.det real(1)    
nuv_x_image NUV Object position along x. pix pos.cartesian.x;instr.det real(1)    
nuv_y_image NUV Object position along y. pix pos.cartesian.y;instr.det real(1)    
fuv_fwhm_image FUV FWHM assuming a gaussian core. pix phys.angSize;em.UV.100-200nm real(1)    
nuv_fwhm_image NUV FWHM assuming a gaussian core. pix phys.angSize;em.UV.200-300nm real(1)    
fuv_fwhm_world FUV FWHM assuming a gaussian core (WORLD units). arcsec phys.angSize;em.UV.100-200nm real(1)    
nuv_fwhm_world NUV FWHM assuming a gaussian core (WORLD units). arcsec phys.angSize;em.UV.200-300nm real(1)    
nuv_class_star NUV S/G classifier output. -- src.class;em.UV.200-300nm real(1)    
fuv_class_star FUV S/G classifier output. -- src.class;em.UV.100-200nm real(1)    
nuv_ellipticity NUV 1 - B_IMAGE/A_IMAGE. -- phys.size.axisRatio;em.UV.200-300nm real(1)    
fuv_ellipticity FUV 1 - B_IMAGE/A_IMAGE. -- phys.size.axisRatio;em.UV.100-200nm real(1)    
nuv_theta_j2000 NUV Position angle (east of north) (J2000). deg pos.posAng;em.UV.200-300nm real(1)    
nuv_errtheta_j2000 NUV Position angle error (east of north) (J2000). deg stat.error;pos.posAng;em.UV.200-300nm real(1)    
fuv_theta_j2000 FUV Position angle (east of north) (J2000). deg pos.posAng;em.UV.100-200nm real(1)    
fuv_errtheta_j2000 FUV Position angle error (east of north) (J2000). deg stat.error;pos.posAng;em.UV.100-200nm real(1)    
fuv_ncat_fwhm_image FUV FWHM_IMAGE value from -fd-ncat.fits (px). pix phys.angSize;em.UV.100-200nm;meta.id.cross real(1)    
fuv_ncat_flux_radius_3 FUV FLUX_RADIUS 80% value from -fd-ncat.fits (px). pix phys.angSize;em.UV.100-200nm;meta.id.cross real(1)    
nuv_kron_radius NUV Kron apertures in units of A or B. -- phys.angSize;em.UV.200-300nm;meta.modelled real(1)    
nuv_a_world NUV Profile RMS along major axis (world units). arcsec phys.angSize.smajAxis;em.UV.200-300nm real(1)    
nuv_b_world NUV Profile RMS along minor axis (world units). arcsec phys.angSize.sminAxis;em.UV.200-300nm real(1)    
fuv_kron_radius FUV Kron apertures in units of A or B. -- phys.angSize;em.UV.100-200nm;meta.modelled real(1)    
fuv_a_world FUV Profile RMS along major axis (world units). arcsec phys.angSize.smajAxis;em.UV.100-200nm real(1)    
fuv_b_world FUV Profile RMS along minor axis (world units). arcsec phys.angSize.sminAxis;em.UV.100-200nm real(1)    
nuv_weight NUV effective exposure (flat-field response value) at the source position (center pixel) given alpha_j2000, delta_j2000 s stat.weight real(1)    
fuv_weight FUV effective exposure s stat.weight real(1)    
prob probability of the FUV x NUV match   stat.probability real(1)    
sep separation between FUV and NUV position of the source in the same observation arcsec pos.angDistance real(1)    
nuv_poserr position error of the source in the NUV image arcsec stat.error;pos.eq real(1)    
fuv_poserr position error of the source in the FUV image arcsec stat.error;pos.eq real(1)    
ib_poserr inter-band position error arcsec stat.error;pos.eq real(1)    
nuv_pperr NUV Poisson position error (the part of the position error due to counting statistics) arcsec stat.error;pos.eq real(1)    
fuv_pperr FUV Poisson position error (the part of the position error due to counting statistics) arcsec stat.error;pos.eq real(1)    
corv whether the source comes from a coadd or visit   char meta.code    
grank grank=0: no other sources (from any obs) within 2.5arcsec, grank=1: the best of multiple sources within 2.5arcsec, grank=-1: primary but has a better source within 2.5arcsec, grank = n (n GT 1): nth source within 2.5arcsec of the primary   meta.code smallint(1)    
ngrank if this is a primary, number of sources within 2.5arcsec (otherwise, 99 or 89)   meta.number smallint(1)    
primgid objid of the primary   meta.id.cross bigint(1)    
groupgid objids of all sources (AIS) within 2.5arcsec, concatenated by +   meta.id.cross char    
grankdist as for grank, but based on distance criterion   meta.code smallint(1)    
ngrankdist as for ngrank, but based on distance criterion   meta.number smallint(1)    
primgiddist as for primgid, but based on distance criterion (objid of the closest primary rather than the best primary)   meta.id.cross bigint(1)    
groupgiddist as GROUPGID, but based on distance criterion   meta.id.cross char    
groupgidtot objids of all sources within 2.5arcsec   meta.id.cross char    
difffuv mag difference between primary and secondary mag phot.mag;em.UV.100-200nm;arith.diff double(1)    
diffnuv mag difference between primary and secondary mag hot.mag;em.UV.200-300nm;arith.diff double(1)    
difffuvdist mag difference between closest primary and secondary mag phot.mag;em.UV.100-200nm;arith.diff double(1)    
diffnuvdist mag difference between closest primary and secondary mag phot.mag;em.UV.200-300nm;arith.diff double(1)    
sepas separation between primary and secondary arcsec pos.angDistance double(1)    
sepasdist separation between primary (distance criterion) and secondary arcsec pos.angDistance double(1)    
inlargeobj is the source in the footprint of an extended object? if not, INLARGEOBJ = N, if yes, INLARGEOBJ = XX:name-of-the-extended-object ; where XX = GA (galaxy), GC (globular cluster), OC (open cluster), SC (other stellar clusters)   meta.code char    
largeobjsize size of the extended object; LARGEOBJSIZE = 0. if INLARGEOBJ = N, otherwise LARGEOBJSIZE = D25 for galaxies and 2xR_1 for stellar clusters arcsec phys.angSize real(1)    

ext.ls_dr9

DESI Legacy Imaging Survey (LS) Data Release 9 - Sweep Catalogs
(2,013,905,227 rows, 120 columns)

Column Description Unit UCD1+ Datatype Principal? Indexed?
unique_id Unique identifier defined for this copy of the catalog: (release-9000)*1e16+brickid*1e7+objid   meta.id;meta.main BIGINT(1)
RELEASE Unique integer denoting the camera and filter set used   meta.id SMALLINT(1)    
BRICKID A unique Brick ID (in the range [1-662174])   meta.id INT(1)    
BRICKNAME Name of brick - encoding the brick sky position; eg "1126p222" near RA=112.6 Dec=+22.2   meta.id CHAR(1)    
OBJID Catalog object number within this brick; a unique identifier hash is RELEASE-BRICKID-OBJID; OBJID spans [0 - N-1] and is contiguously enumerated within each blob   meta.id INT(1)    
TYPE Morphological model: "PSF"=stellar "REX"="round exponential galaxy" = round EXP galaxy with a variable radius "EXP"=exponential "DEV"=deVauc "COMP"=composite "DUP"==Gaia source fit by different model.   meta.code.class CHAR(1)    
RA Right ascension at equinox J2000 deg pos.eq.ra;meta.main FLOAT(1)
DEC Declination at equinox J2000 deg pos.eq.dec;meta.main FLOAT(1)
RA_IVAR Inverse variance of RA (no cosine term!) excluding astrometric calibration errors 1/deg^2 stat.error;pos.eq.ra REAL(1)    
DEC_IVAR Inverse variance of DEC excluding astrometric calibration errors 1/deg^2 stat.error;pos.eq.dec REAL(1)    
DCHISQ_PSF Difference in chi-squared between PSF model fit and no source.   stat.fit.chi2 REAL(1)    
DCHISQ_REX Difference in chi-squared between REX model fit and no source.   stat.fit.chi2 REAL(1)    
DCHISQ_DEV Difference in chi-squared between DEV model fit and no source.   stat.fit.chi2 REAL(1)    
DCHISQ_EXP Difference in chi-squared between EXP model fit and no source.   stat.fit.chi2 REAL(1)    
DCHISQ_SER Difference in chi-squared between SER model fit and no source.   stat.fit.chi2 REAL(1)    
EBV Galactic extinction E(B-V) reddening from SFD98 used to compute MW_TRANSMISSION mag phys.absorption.gal REAL(1)    
FLUX_G model flux in g nanomaggies phot.flux.density;em.opt REAL(1)    
FLUX_R model flux in r nanomaggies phot.flux.density;em.opt REAL(1)    
FLUX_Z model flux in z nanomaggies phot.flux.density;em.opt REAL(1)    
FLUX_W1 WISE model flux in W1 (AB system) nanomaggies phot.flux.density;em.IR REAL(1)    
FLUX_W2 WISE model flux in W2 (AB) nanomaggies phot.flux.density;em.IR REAL(1)    
FLUX_W3 WISE model flux in W3 (AB) nanomaggies phot.flux.density;em.IR REAL(1)    
FLUX_W4 WISE model flux in W4 (AB) nanomaggies phot.flux.density;em.IR REAL(1)    
FLUX_IVAR_G Inverse variance of FLUX_G 1/nanomaggies^2 stat.variance;phot.flux.density;em.opt REAL(1)    
FLUX_IVAR_R Inverse variance of FLUX_R 1/nanomaggies^2 stat.variance;phot.flux.density;em.opt REAL(1)    
FLUX_IVAR_Z Inverse variance of FLUX_Z 1/nanomaggies^2 stat.variance;phot.flux.density;em.opt REAL(1)    
FLUX_IVAR_W1 Inverse variance of FLUX_W1 (AB system) 1/nanomaggies^2 stat.variance;phot.flux.density;em.IR REAL(1)    
FLUX_IVAR_W2 Inverse variance of FLUX_W2 (AB) 1/nanomaggies^2 stat.variance;phot.flux.density;em.IR REAL(1)    
FLUX_IVAR_W3 Inverse variance of FLUX_W3 (AB) 1/nanomaggies^2 stat.variance;phot.flux.density;em.IR REAL(1)    
FLUX_IVAR_W4 Inverse variance of FLUX_W4 (AB) 1/nanomaggies^2 stat.variance;phot.flux.density;em.IR REAL(1)    
MW_TRANSMISSION_G Galactic transmission in g filter in linear units [0-1]   phys.transmission;em.opt REAL(1)    
MW_TRANSMISSION_R Galactic transmission in r filter in linear units [0-1]   phys.transmission;em.opt REAL(1)    
MW_TRANSMISSION_Z Galactic transmission in z filter in linear units [0-1]   phys.transmission;em.opt REAL(1)    
MW_TRANSMISSION_W1 Galactic transmission in W1 filter in linear units [0-1]   phys.transmission;em.IR REAL(1)    
MW_TRANSMISSION_W2 Galactic transmission in W2 filter in linear units [0-1]   phys.transmission;em.IR REAL(1)    
MW_TRANSMISSION_W3 Galactic transmission in W3 filter in linear units [0-1]   phys.transmission;em.IR REAL(1)    
MW_TRANSMISSION_W4 Galactic transmission in W4 filter in linear units [0-1]   phys.transmission;em.IR REAL(1)    
NOBS_G Number of images that contribute to the central pixel in g: filter for this object (not profile-weighted)   meta.number INT(1)    
NOBS_R Number of images that contribute to the central pixel in r: filter for this object (not profile-weighted)   meta.number INT(1)    
NOBS_Z Number of images that contribute to the central pixel in z: filter for this object (not profile-weighted)   meta.number INT(1)    
NOBS_W1 Number of images that contribute to the central pixel in W1: filter for this object (not profile-weighted)   meta.number INT(1)    
NOBS_W2 Number of images that contribute to the central pixel in W2: filter for this object (not profile-weighted)   meta.number INT(1)    
NOBS_W3 Number of images that contribute to the central pixel in W3: filter for this object (not profile-weighted)   meta.number INT(1)    
NOBS_W4 Number of images that contribute to the central pixel in W4: filter for this object (not profile-weighted)   meta.number INT(1)    
RCHISQ_G Profile-weighted chi-squared of model fit normalized by the number of pixels in g   stat.fit.chi2 REAL(1)    
RCHISQ_R Profile-weighted chi-squared of model fit normalized by the number of pixels in r   stat.fit.chi2 REAL(1)    
RCHISQ_Z Profile-weighted chi-squared of model fit normalized by the number of pixels in z   stat.fit.chi2 REAL(1)    
RCHISQ_W1 Profile-weighted chi-squared of model fit normalized by the number of pixels in W1   stat.fit.chi2 REAL(1)    
RCHISQ_W2 Profile-weighted chi-squared of model fit normalized by the number of pixels in W2   stat.fit.chi2 REAL(1)    
RCHISQ_W3 Profile-weighted chi-squared of model fit normalized by the number of pixels in W3   stat.fit.chi2 REAL(1)    
RCHISQ_W4 Profile-weighted chi-squared of model fit normalized by the number of pixels in W4   stat.fit.chi2 REAL(1)    
FRACFLUX_G Profile-weighted fraction of the flux from other sources divided by the total flux in g (typically [0-1])   phot.flux.density;em.opt;arith.ratio REAL(1)    
FRACFLUX_R Profile-weighted fraction of the flux from other sources divided by the total flux in r (typically [0-1])   phot.flux.density;em.opt;arith.ratio REAL(1)    
FRACFLUX_Z Profile-weighted fraction of the flux from other sources divided by the total flux in z (typically [0-1])   phot.flux.density;em.opt;arith.ratio REAL(1)    
FRACFLUX_W1 Profile-weighted fraction of the flux from other sources divided by the total flux in W1 (typically [0-1])   phot.flux.density;em.IR;arith.ratio REAL(1)    
FRACFLUX_W2 Profile-weighted fraction of the flux from other sources divided by the total flux in W2 (typically [0-1])   phot.flux.density;em.IR;arith.ratio REAL(1)    
FRACFLUX_W3 Profile-weighted fraction of the flux from other sources divided by the total flux in W3 (typically [0-1])   phot.flux.density;em.IR;arith.ratio REAL(1)    
FRACFLUX_W4 Profile-weighted fraction of the flux from other sources divided by the total flux in W4 (typically [0-1])   phot.flux.density;em.IR;arith.ratio REAL(1)    
FRACMASKED_G Profile-weighted fraction of pixels masked from all observations of this object in g strictly between [0-1]   meta.number;arith.ratio REAL(1)    
FRACMASKED_R Profile-weighted fraction of pixels masked from all observations of this object in r strictly between [0-1]   meta.number;arith.ratio REAL(1)    
FRACMASKED_Z Profile-weighted fraction of pixels masked from all observations of this object in z strictly between [0-1]   meta.number;arith.ratio REAL(1)    
FRACIN_G Fraction of a source flux within the blob in g near unity for real sources   meta.number;arith.ratio REAL(1)    
FRACIN_R Fraction of a source flux within the blob in r near unity for real sources   meta.number;arith.ratio REAL(1)    
FRACIN_Z Fraction of a source flux within the blob in z near unity for real sources   meta.number;arith.ratio REAL(1)    
ANYMASK_G Bitwise mask set if the central pixel from any image satisfies each condition in g   meta.code.qual INT(1)    
ANYMASK_R Bitwise mask set if the central pixel from any image satisfies each condition in r   meta.code.qual INT(1)    
ANYMASK_Z Bitwise mask set if the central pixel from any image satisfies each condition in z   meta.code.qual INT(1)    
ALLMASK_G Bitwise mask set if the central pixel from all images satisfy each condition in g   meta.code.qual INT(1)    
ALLMASK_R Bitwise mask set if the central pixel from all images satisfy each condition in r   meta.code.qual INT(1)    
ALLMASK_Z Bitwise mask set if the central pixel from all images satisfy each condition in z   meta.code.qual INT(1)    
WISEMASK_W1 W1 bitmask as cataloged on the DR8 bitmasks page   meta.code.qual SMALLINT(1)    
WISEMASK_W2 W2 bitmask as cataloged on the DR8 bitmasks page   meta.code.qual SMALLINT(1)    
PSFSIZE_G Weighted average PSF FWHM in the g band arcsec instr.obsty.seeing;em.opt REAL(1)    
PSFSIZE_R Weighted average PSF FWHM in the r band arcsec instr.obsty.seeing;em.opt REAL(1)    
PSFSIZE_Z Weighted average PSF FWHM in the z band arcsec instr.obsty.seeing;em.opt REAL(1)    
PSFDEPTH_G For a 5-sigma point source detection limit in g 5/(sqrt(PSFDEPTH_G)) gives flux in nanomaggies and −2.5[log10(5/(sqrt(PSFDEPTH_G)))−9] gives corresponding magnitude 1/nanomaggies^2 phot.flux.density;em.opt;stat.min REAL(1)    
PSFDEPTH_R For a 5-sigma point source detection limit in g 5/(sqrt(PSFDEPTH_R)) gives flux in nanomaggies and −2.5[log10(5/(sqrt(PSFDEPTH_R)))−9] gives corresponding magnitude 1/nanomaggies^2 phot.flux.density;em.opt;stat.min REAL(1)    
PSFDEPTH_Z For a 5-sigma point source detection limit in g 5/(sqrt(PSFDEPTH_Z)) gives flux in nanomaggies and −2.5[log10(5/(sqrt(PSFDEPTH_Z)))−9] gives corresponding magnitude 1/nanomaggies^2 phot.flux.density;em.opt;stat.min REAL(1)    
GALDEPTH_G As for PSFDEPTH_G but for a galaxy (0.45-arcsec exp round) detection sensitivity 1/nanomaggies^2 phot.flux.density;em.opt;stat.min REAL(1)    
GALDEPTH_R As for PSFDEPTH_R but for a galaxy (0.45-arcsec exp round) detection sensitivity 1/nanomaggies^2 phot.flux.density;em.opt;stat.min REAL(1)    
GALDEPTH_Z As for PSFDEPTH_Z but for a galaxy (0.45-arcsec exp round) detection sensitivity 1/nanomaggies^2 phot.flux.density;em.opt;stat.min REAL(1)    
PSFDEPTH_W1 As for PSFDEPTH_G (and also on the AB system) but for WISE W1 1/nanomaggies^2 phot.flux.density;em.IR;stat.min REAL(1)    
PSFDEPTH_W2 As for PSFDEPTH_G (and also on the AB system) but for WISE W2 1/nanomaggies^2 phot.flux.density;em.IR;stat.min REAL(1)    
WISE_COADD_ID unWISE coadd file name for the center of each object   meta.file CHAR(1)    
SHAPE_R Half-light radius of galaxy type TYPE (>0) arcsec phys.angSize;meta.modelled REAL(1)    
SHAPE_R_IVAR Inverse variance of SHAPE_R 1/arcsec phys.angSize;meta.modelled;stat.variance REAL(1)    
SHAPE_E1 Ellipticity component 1 of galaxy model for galaxy type TYPE   src.ellipticity;meta.modelled REAL(1)    
SHAPE_E1_IVAR Inverse variance of SHAPE_E1   src.ellipticity;meta.modelled;stat.variance REAL(1)    
SHAPE_E2 Ellipticity component 2 of galaxy model for galaxy type TYPE   src.ellipticity;meta.modelled REAL(1)    
SHAPE_E2_IVAR Inverse variance of SHAPE_E2   src.ellipticity;meta.modelled;stat.variance REAL(1)    
FIBERFLUX_G Predicted g-band flux within a fiber from this object in 1 arcsec Gaussian seeing nanomaggies phot.flux.density;em.opt;stat.value REAL(1)    
FIBERFLUX_R Predicted r-band flux within a fiber from this object in 1 arcsec Gaussian seeing nanomaggies phot.flux.density;em.opt;stat.value REAL(1)    
FIBERFLUX_Z Predicted z-band flux within a fiber from this object in 1 arcsec Gaussian seeing nanomaggies phot.flux.density;em.opt;stat.value REAL(1)    
FIBERTOTFLUX_G Predicted g-band flux within a fiber from all sources at this location in 1 arcsec Gaussian seeing nanomaggies phot.flux.density;em.opt;stat.value REAL(1)    
FIBERTOTFLUX_R Predicted r-band flux within a fiber from all sources at this location in 1 arcsec Gaussian seeing nanomaggies phot.flux.density;em.opt;stat.value REAL(1)    
FIBERTOTFLUX_Z Predicted z-band flux within a fiber from all sources at this location in 1 arcsec Gaussian seeing nanomaggies phot.flux.density;em.opt;stat.value REAL(1)    
REF_CAT Reference catalog source for this star: "T2" for Tycho-2 "G2" for Gaia DR2 "L2" for the LSLGA empty otherwise   meta.code CHAR(1)    
REF_ID Reference catalog identifier for this star; Tyc1*1000000+Tyc2*10+Tyc3 for Tycho2; "sourceid" for Gaia-DR2 and LSLGA   meta.code BIGINT(1)    
REF_EPOCH Reference catalog reference epoch (eg 2015.5 for Gaia DR2) yr time.epoch REAL(1)    
GAIA_PHOT_G_MEAN_MAG Gaia G band magnitude mag phot.mag;em.opt REAL(1)    
GAIA_PHOT_G_MEAN_FLUX_OVER_ERROR Gaia G band signal-to-noise   phot.mat;em.opt;stat.snr REAL(1)    
GAIA_PHOT_BP_MEAN_MAG Gaia BP magnitude mag phot.mag;em.opt REAL(1)    
GAIA_PHOT_BP_MEAN_FLUX_OVER_ERROR Gaia BP signal-to-noise   phot.mat;em.opt;stat.snr REAL(1)    
GAIA_PHOT_RP_MEAN_MAG Gaia RP magnitude mag phot.mag;em.opt REAL(1)    
GAIA_PHOT_RP_MEAN_FLUX_OVER_ERROR Gaia RP signal-to-noise   phot.mat;em.opt;stat.snr REAL(1)    
GAIA_ASTROMETRIC_EXCESS_NOISE Gaia astrometric excess noise   stat.fit.residual REAL(1)    
GAIA_DUPLICATED_SOURCE Gaia duplicated source flag (1/0 for True/False)   meta.code SMALLINT(1)    
GAIA_PHOT_BP_RP_EXCESS_FACTOR Gaia BP/RP excess factor   stat.fit.residual REAL(1)    
GAIA_ASTROMETRIC_SIGMA5D_MAX Gaia longest semi-major axis of the 5-d error ellipsoid mas stat.error REAL(1)    
GAIA_ASTROMETRIC_PARAMS_SOLVED Which astrometric parameters were estimated for a Gaia source   meta.number SMALLINT(1)    
PARALLAX Reference catalog parallax mas pos.parallax.trig REAL(1)    
PARALLAX_IVAR Reference catalog inverse-variance on parallax 1/(mas)^2 pos.parallax.trig;stat.variance REAL(1)    
PMRA Reference catalog proper motion in the RA direction mas/yr pos.pm REAL(1)    
PMRA_IVAR Reference catalog inverse-variance on pmra 1/(mas/yr)^2 pos.pm;stat.variance REAL(1)    
PMDEC Reference catalog proper motion in the Dec direction mas/yr pos.pm REAL(1)    
PMDEC_IVAR Reference catalog inverse-variance on pmdec 1/(mas/yr)^2 pos.pm;stat.variance REAL(1)    
MASKBITS Bitwise mask indicating that an object touches a pixel in the coadd/*/*/*maskbits* maps   meta.code.qual INT(1)    
FITBITS Bitwise mask detailing properties of how a source was fit   meta.code.qual INT(1)    
SERSIC Power-law index for the Sersic profile model (TYPE="SER")   stat.fit.param REAL(1)    
SERSIC_IVAR Inverse variance of SERSIC   stat.fit.param;stat.variance REAL(1)    

ext.milliquas_v8

Milliquas v8 (2023) update, Flesch, E.W. 2021, arXiv:2105.12985
(1,023,326 rows, 32 columns)

Column Description Unit UCD1+ Datatype Principal? Indexed?
raj2000 Right ascension (J2000)   pos.eq.ra;meta.main double(1)
dej2000 Declination (J2000)   pos.eq.dec;meta.main double(1)
name ID from the literature, or J2000   meta.id;meta.main char(25)
descrip [ABKLNQq] classification of object and [2RX ] Summary of associations for object   meta.number char(4)    
rmag Red optical magnitude mag phot.mag;em.opt real(1)  
bmag Blue optical magnitude mag phot.mag;em.opt real(1)  
comment Comment on optical object   meta.note;spect.dopplerVeloc.opt;em.opt char(1)    
r Red optical PSF class   src.class.starGalaxy char(1)    
b Blue optical PSF class   src.class.starGalaxy char(1)    
z ? Redshift from the literature or estimated   src.redshift real(1)  
cite Citation for name   meta.ref;pos.frame char(6)    
zcite Citation for redshift   meta.ref;pos.frame double(1)    
rxpct radio/X-ray association likelihood   stat.fit.goodness smallint(1)    
qpct radio/X-ray based pQSO   stat.fit.goodness smallint(1)    
xname X-ray ID, if any   meta.id.assoc char(22)    
rname Radio ID, if any   meta.id.assoc char(22)    
lobe1 Radio lobe ID or extra R/X ID, if any   meta.id.assoc char(22)    
lobe2 Radio lobe ID or extra X-ray ID, if any   meta.id.assoc char(22)    
dr2_id object_id of nearest SkyMapper source from the DR2 master table   meta.id.cross long(1)
dr2_dist Angular distance to nearest SkyMapper DR2 source arcsec pos.angDistance double(1)  
dr3_id object_id of nearest SkyMapper source from the DR3 master table   meta.id.cross long(1)
dr3_dist Angular distance to nearest SkyMapper DR3 source arcsec pos.angDistance double(1)  
dr4_id object_id of nearest SkyMapper source from the DR4 master table   meta.id.cross long(1)
dr4_dist Angular distance to nearest SkyMapper DR4 source arcsec pos.angDistance double(1)  
gaia_dr3_id1 source_id of nearest Gaia DR3 source   meta.id.cross long(1)
gaia_dr3_dist1 Angular distance to nearest Gaia DR3 source arcsec pos.angDistance double(1)  
gaia_dr3_id2 source_id of second-nearest Gaia DR3 source   meta.id.cross long(1)
gaia_dr3_dist2 Angular distance to second-nearest Gaia DR3 source arcsec pos.angDistance double(1)  
refcat2_id id of nearest ATLAS Refcat2 source   meta.id.cross long(1)
refcat2_dist Angular distance to nearest ATLAS Refcat2 source arcsec pos.angDistance double(1)  
twomass_key pts_key of nearest 2MASS PSC source   meta.id.cross long(1)
twomass_dist Angular distance to nearest 2MASS PSC source arcsec pos.angDistance double(1)  

ext.nsc_dr2

NOIRLab Source Catalog, Data Release 2
(3,932,838,064 rows, 99 columns)

Column Description Unit UCD1+ Datatype Principal? Indexed?
id Unique object ID   meta.id;meta.main CHAR
ra Right ascension (J2000.0) of object in degrees deg pos.eq.ra;meta.main DOUBLE
dec Declination (J2000.0) of object in degrees deg pos.eq.dec;meta.main DOUBLE
mjd Mean Modified Julian Date d time.epoch DOUBLE 0 0
glon Galactic Longitude deg pos.galactic.lon DOUBLE 0 0
glat Galactic Latitude deg pos.galactic.lat DOUBLE 0 0
elon Ecliptic Longitude deg pos.ecliptic.lon DOUBLE 0 0
elat Ecliptic Latitude deg pos.ecliptic.lat DOUBLE 0 0
pix Healpix nside=128 pixel number   pos.healpix INTEGER 0 0
raerr Uncertainty of RA arcsec stat.error;pos.eq.ra DOUBLE 0 0
decerr Uncertainty in DEC arcsec stat.error;pos.eq.dec DOUBLE 0 0
pmra Proper motion in RA*cos(DEC) mas/yr pos.pm;pos.eq.ra DOUBLE 0 0
pmdec Proper motion in DEC mas/yr pos.pm;pos.eq.dec DOUBLE 0 0
pmraerr Uncertainty in PMRA mas/yr stat.error;pos.pm;pos.eq.ra DOUBLE 0 0
pmdecerr Uncertainty in PMDEC mas/yr stat.error;pos.pm;pos.eq.dec DOUBLE 0 0
deltamjd Range of Modified Julian Date d time.duration REAL 0 0
umag Weighted-average u-band magnitude mag phot.mag;em.opt.u REAL 0 0
urms RMS scatter in u from multiple measurements of this object mag stat.stdev;phot.mag;em.opt.u REAL 0 0
uerr Uncertainty in mean u-band magnitude mag stat.error;phot.mag;em.opt.u REAL 0 0
uasemi u-band profile RMS along major axis in arcseconds arcsec phys.angSize.smajAxis REAL 0 0
ubsemi u-band profile RMS along minor axis in arcseconds arcsec phys.angSize.sminAxis REAL 0 0
utheta u-band position-angle measured CCW East of North in degrees deg pos.posAng REAL 0 0
gmag Weighted-average g-band magnitude mag phot.mag;em.opt.g REAL 0 0
grms RMS scatter in g from multiple measurements of this object mag stat.stdev;phot.mag;em.opt.g REAL 0 0
gerr Uncertainty in mean g-band magnitude mag stat.error;phot.mag;em.opt.g REAL 0 0
gasemi g-band profile RMS along major axis in arcseconds arcsec phys.angSize.smajAxis REAL 0 0
gbsemi g-band profile RMS along minor axis in arcseconds arcsec phys.angSize.sminAxis REAL 0 0
gtheta g-band position-angle measured CCW East of North in degrees deg pos.posAng REAL 0 0
rmag Weighted-average r-band magnitude mag phot.mag;em.opt.r REAL 0 0
rrms RMS scatter in r from multiple measurements of this object mag stat.stdev;phot.mag;em.opt.r REAL 0 0
rerr Uncertainty in mean r-band magnitude mag stat.error;phot.mag;em.opt.r REAL 0 0
rasemi r-band profile RMS along major axis in arcseconds arcsec phys.angSize.smajAxis REAL 0 0
rbsemi r-band profile RMS along minor axis in arcseconds arcsec phys.angSize.sminAxis REAL 0 0
rtheta r-band position-angle measured CCW East of North in degrees deg pos.posAng REAL 0 0
imag Weighted-average i-band magnitude mag phot.mag;em.opt.i REAL 0 0
irms RMS scatter in i from multiple measurements of this object mag stat.stdev;phot.mag;em.opt.i REAL 0 0
ierr Uncertainty in mean i-band magnitude mag stat.error;phot.mag;em.opt.i REAL 0 0
iasemi i-band profile RMS along major axis in arcseconds arcsec phys.angSize.smajAxis REAL 0 0
ibsemi i-band profile RMS along minor axis in arcseconds arcsec phys.angSize.sminAxis REAL 0 0
itheta i-band position-angle measured CCW East of North in degrees deg pos.posAng REAL 0 0
zmag Weighted-average z-band magnitude mag phot.mag;em.opt.z REAL 0 0
zrms RMS scatter in z from multiple measurements of this object mag stat.stdev;phot.mag;em.opt.z REAL 0 0
zerr Uncertainty in mean z-band magnitude mag stat.error;phot.mag;em.opt.z REAL 0 0
zasemi z-band profile RMS along major axis in arcseconds arcsec phys.angSize.smajAxis REAL 0 0
zbsemi z-band profile RMS along minor axis in arcseconds arcsec phys.angSize.sminAxis REAL 0 0
ztheta z-band position-angle measured CCW East of North in degrees deg pos.posAng REAL 0 0
ymag Weighted-average Y-band magnitude mag phot.mag;em.opt.y REAL 0 0
yrms RMS scatter in Y from multiple measurements of this object mag stat.stdev;phot.mag;em.opt.y REAL 0 0
yerr Uncertainty in mean Y-band magnitude mag stat.error;phot.mag;em.opt.y REAL 0 0
yasemi Y-band profile RMS along major axis in arcseconds arcsec phys.angSize.smajAxis REAL 0 0
ybsemi Y-band profile RMS along minor axis in arcseconds arcsec phys.angSize.sminAxis REAL 0 0
ytheta Y-band position-angle measured CCW East of North in degrees deg pos.posAng REAL 0 0
vrmag Weighted-average VR-band magnitude mag phot.mag;em.opt.vr REAL 0 0
vrrms RMS scatter in VR from multiple measurements of this object mag stat.stdev;phot.mag;em.opt.vr REAL 0 0
vrerr Uncertainty in mean VR-band magnitude mag stat.error;phot.mag;em.opt.vr REAL 0 0
vrasemi VR-band profile RMS along major axis in arcseconds arcsec phys.angSize.smajAxis REAL 0 0
vrbsemi VR-band profile RMS along minor axis in arcseconds arcsec phys.angSize.sminAxis REAL 0 0
vrtheta VR-band position-angle measured CCW East of North in degrees deg pos.posAng REAL 0 0
asemi Mean profile RMS along major axis in arcseconds arcsec phys.angSize.smajAxis REAL 0 0
asemierr Uncertainty in mean RMS along major axis arcsec stat.error;phys.angSize.smajAxis REAL 0 0
bsemi Mean profile RMS along minor axis in arcseconds arcsec phys.angSize.sminAxis REAL 0 0
bsemierr Uncertainty in mean RMS along minor axis arcsec stat.error;phys.angSize.sminAxis REAL 0 0
theta Position angle measured CCW East of North in degrees deg pos.posAng REAL 0 0
thetaerr Uncertainty in THETA deg stat.error;pos.posAng REAL 0 0
fwhm FWHM assuming a gaussian core in arcseconds arcsec phys.angSize;src REAL 0 0
class_star Star/Galaxy classifier   meta.code.class REAL 0 0
ebv SFD E(B-V) reddening mag phot.color.excess REAL 0 0
rmsvar Root-mean-square photometric variability metric   src.var REAL 0 0
madvar Median absolute deviation photometric variability metric   src.var REAL 0 0
iqrvar Interquartile range photometric variability metric   src.var REAL 0 0
etavar von Neumann ratio eta photometric variability metric   src.var REAL 0 0
jvar Stetson J photometric variability metric   src.var REAL 0 0
kvar Stetson K photometric variability metric   src.var REAL 0 0
chivar Chi-squared photometric variability metric   stat.fit.chi2 REAL 0 0
romsvar Robust median statistic photometric variability metric   src.var REAL 0 0
nsigvar Number of standard deviations of MADVAR above the median   src.var;meta.number REAL 0 0
htm9 HTM index (order 9 = 10 arcmin size)   pos.healpix INTEGER 0 0
ring256 HEALPIX index (Nsides 256 Ring scheme = 14 arcmin size)   pos.healpix INTEGER 0 0
nest4096 HEALPIX index (Nsides 4096 Nest scheme = 52 arcsec size   pos.healpix INTEGER 0 0
random_id Random ID in the range 0.0 - 100.0   UCD REAL 0 0
ndet Number of detections in all bands   meta.number INTEGER 0 0
nphot Number of photometric detections in all bands   meta.number INTEGER 0 0
ndetu Number of detections in u   meta.number SMALLINT 0 0
nphotu Number of photometric detections in u   meta.number SMALLINT 0 0
ndetg Number of detections in g   meta.number SMALLINT 0 0
nphotg Number of photometric detections in g   meta.number SMALLINT 0 0
ndetr Number of detections in r   meta.number SMALLINT 0 0
nphotr Number of photometric detections in r   meta.number SMALLINT 0 0
ndeti Number of detections in i   meta.number SMALLINT 0 0
nphoti Number of photometric detections in i   meta.number SMALLINT 0 0
ndetz Number of detections in z   meta.number SMALLINT 0 0
nphotz Number of photometric detections in z   meta.number SMALLINT 0 0
ndety Number of detections in Y   meta.number SMALLINT 0 0
nphoty Number of photometric detections in Y   meta.number SMALLINT 0 0
ndetvr Number of detections in VR   meta.number SMALLINT 0 0
nphotvr Number of photometric detections in VR   meta.number SMALLINT 0 0
flags OR-combined SExtractor FLAG value   meta.code.qual SMALLINT 0 0
variable10sig MADVAR variability metric is 10 sigma above the median value   src.var SMALLINT 0 0
parent Object contains other object centers inside its ellipse footprint   meta.code SMALLINT 0 0

ext.ps1_dr1

Pan-STARRS1 data release 1, selected columns, restricted to decMean<30deg and nDetections>1
(1,911,514,849 rows, 13 columns)

Column Description Unit UCD1+ Datatype Principal? Indexed?
objid Unique object identifier. -- meta.id;meta.main long(1)  
ramean Right ascension from single epoch detections (weighted mean) in equinox J2000 at the mean epoch given by epochMean. deg pos.eq.ra;meta.main double(1)  
decmean Declination from single epoch detections (weighted mean) in equinox J2000 at the mean epoch given by epochMean. deg pos.eq.dec;meta.main double(1)  
gmeanpsfmag Mean PSF magnitude from g filter detections. mag phot.mag;src double(1)  
gmeanpsfmagerr Error in mean PSF magnitude from g filter detections. mag stat.error;phot.mag double(1)    
rmeanpsfmag Mean PSF magnitude from r filter detections. mag phot.mag;src double(1)  
rmeanpsfmagerr Error in mean PSF magnitude from r filter detections. mag stat.error;phot.mag double(1)    
imeanpsfmag Mean PSF magnitude from i filter detections. mag phot.mag;src double(1)  
imeanpsfmagerr Error in mean PSF magnitude from i filter detections. mag stat.error;phot.mag double(1)    
zmeanpsfmag Mean PSF magnitude from z filter detections. mag phot.mag;src double(1)  
zmeanpsfmagerr Error in mean PSF magnitude from z filter detections. mag stat.error;phot.mag double(1)    
ymeanpsfmag Mean PSF magnitude from y filter detections. mag phot.mag;src double(1)  
ymeanpsfmagerr Error in mean PSF magnitude from y filter detections. mag stat.error;phot.mag double(1)    

ext.refcat2

ATLAS Refcat2
(992,637,834 rows, 45 columns)

Column Description Unit UCD1+ Datatype Principal? Indexed?
id Object ID   meta.id bigint(1)  
RA Right ascension from Gaia DR2   pos.eq.ra double(1)
Dec Declination from Gaia DR2   pos.eq.dec double(1)
plx Parallax from Gaia DR2 mas pos.parallax.trig real(1)    
dplx Parallax uncertainty from Gaia DR2 mas stat.error;pos.parallax.trig real(1)    
pmra Proper motion in right ascension from Gaia DR2 mas/yr pos.pm real(1)    
dpmra Proper motion uncertainty in right ascension mas/yr stat.error;pos.pm real(1)    
pmdec Proper motion in declination from Gaia DR2 mas/yr pos.pm real(1)    
dpmdec Proper motion uncertainty in declination mas/yr stat.error;pos.pm real(1)    
g_gaia Gaia G magnitude mag phot.mag;em.opt real(1)    
dg_gaia Gaia G magnitude uncertainty mag stat.error;phot.mag;em.opt real(1)    
bp_gaia Gaia G_bp magnitude mag phot.mag;em.opt real(1)    
dbp_gaia Gaia G_bp magnitude uncertainty mag stat.error;phot.mag;em.opt real(1)    
rp_gaia Gaia G_rp magnitude mag phot.mag;em.opt real(1)    
drp_gaia Gaia G_rp magnitude uncertainty mag stat.error;phot.mag;em.opt real(1)    
teff Gaia stellar effective temperature K phys.temperature.effective;meta.modelled integer(1)    
a_g_gaia Gaia estimate of G-band extinction for this star mag phys.absorption real(1)    
dupvar Gaia variability and duplicate flags meta.code ext.refcat2 integer(1)    
a_g_sfd SFD estimate of total g-band extinction mag phys.absorption real(1)    
rp1 Radius where cummulative G flux exceeds 0.1 x this star arcsec pos.angDistance real(1)    
r1 Radius where cummulative G flux exceeds 1.0 x this star arcsec pos.angDistance real(1)    
r10 Radius where cummulative G flux exceeds 10.0 x this star arcsec pos.angDistance real(1)    
g_ps1 PanSTARRS g magnitude mag phot.mag;em.opt real(1)    
dg_ps1 PanSTARRS g magnitude uncertainty mag stat.error;phot.mag;em.opt real(1)    
gchi_ps1 chi^2 / DOF for contributors   stat.fit.chi2 real(1)    
gcontrib_ps1 Bitmap of conributing catalogs to g   meta.code char(1)    
r_ps1 PanSTARRS r magnitude mag phot.mag;em.opt real(1)    
dr_ps1 PanSTARRS r magnitude uncertainty mag stat.error;phot.mag;em.opt real(1)    
rchi_ps1 chi^2 / DOF for contributors   stat.fit.chi2 real(1)    
rcontrib_ps1 Bitmap of conributing catalogs to r   meta.code char(1)    
i_ps1 PanSTARRS i magnitude mag phot.mag;em.opt real(1)    
di_ps1 PanSTARRS i magnitude uncertainty mag stat.error;phot.mag;em.opt real(1)    
ichi_ps1 chi^2 / DOF for contributors   stat.fit.chi2 real(1)    
icontrib_ps1 Bitmap of conributing catalogs to i   meta.code char(1)    
z_ps1 PanSTARRS z magnitude mag phot.mag;em.opt real(1)    
dz_ps1 PanSTARRS z magnitude uncertainty mag stat.error;phot.mag;em.opt real(1)    
zchi_ps1 chi^2 / DOF for contributors   stat.fit.chi2 real(1)    
zcontrib_ps1 Bitmap of conributing catalogs to z   meta.code char(1)    
nstat Count of griz outliers rejected   stat integer(1)    
j_2mass 2MASS J magnitude mag phot.mag;em.IR.J real(1)    
dj_2mass 2MASS J magnitude uncertainty mag stat.error;phot.mag;em.IR.J real(1)    
h_2mass 2MASS H magnitude mag phot.mag;em.IR.H real(1)    
dh_2mass 2MASS H magnitude uncertainty mag stat.error;phot.mag;em.IR.H real(1)    
k_2mass 2MASS K magnitude mag phot.mag;em.IR.K real(1)    
dk_2mass 2MASS K magnitude uncertainty mag stat.error;phot.mag;em.IR.K real(1)    

ext.spec_2dfgrs

2 Degree Field Galaxy Redshift Survey (2dFGRS). Extra columns give closest SkyMapper match.
(245,591 rows, 35 columns)

Column Description Unit UCD1+ Datatype Principal? Indexed?
raj2000 Right ascension (J2000) deg pos.eq.ra;meta.main double(1)
dej2000 Declination (J2000) deg pos.eq.dec;meta.main double(1)
seqnum 2dFGRS serial number -- meta.id int(1)
o_seqnum [1,6] Number of spectra obtained -- meta.number int(1)    
name 2dFGRS name -- meta.id;meta.main char(11)
ukst UKST plate number -- obs.field int(1)    
bjmag Final B_J magnitude mag phot.mag;em.opt.B double(1)    
bjsel Final B_J magnitude corrected from extinction mag phot.mag.reddFree;em.opt.B double(1)    
bjmag_o Original B_J magnitude mag phot.mag;em.opt.B double(1)    
bjsel_o Original B_J magnitude corrected from extinction mag phot.mag.reddFree;em.opt.B double(1)    
gext Galactic extinction value mag phys.absorption.gal double(1)    
bjmag_s SuperCosmos B_J magnitude mag phot.mag;em.opt.B double(1)    
rmag_s SuperCosmos R magnitude mag phot.mag;em.opt.R double(1)    
obsrun Observation run of best spectrum -- obs.param;obs char(6)    
z_obs Best redshift (observed) -- src.redshift double(1)  
z_helio Best redshift (heliocentric) -- src.redshift;pos.heliocentric double(1)  
q_z [1,5] Redshift quality for best spectrum (reliable redshifts have quality gte 3) -- meta.code.qual;src.redshift int(1)    
n_z Redshift type (abs=1, emi=2, man=3) -- meta.note int(1)    
z_abs Cross-correlation redshift -- src.redshift;pos.heliocentric double(1)    
t Cross-correlation template -- stat.fit.param int(1)    
rx Cross-correlation R value -- stat.fit.param double(1)    
z_em Emission redshift -- src.redshift;pos.heliocentric double(1)    
o_z_em Number of emission lines for Z_EM -- meta.number int(1)    
snr Median signal to noise ratio per pixel -- em.wl.central;stat.median double(1)    
eta Eta spectral type parameter from best spectrum -- stat.fit.param double(1)    
edr_id object_id of nearest SkyMapper source from the EDR master table -- meta.id.cross long(1)
edr_dist Angular distance to nearest SkyMapper EDR source arcsec pos.angDistance double(1)  
dr1_id object_id of nearest SkyMapper source from the DR1 master table -- meta.id.cross long(1)
dr1_dist Angular distance to nearest SkyMapper DR1 source arcsec pos.angDistance double(1)  
dr2_id object_id of nearest SkyMapper source from the DR2 master table -- meta.id.cross long(1)
dr2_dist Angular distance to nearest SkyMapper DR2 source arcsec pos.angDistance double(1)  
dr3_id object_id of nearest SkyMapper source from the DR3 master table -- meta.id.cross long(1)
dr3_dist Angular distance to nearest SkyMapper DR3 source arcsec pos.angDistance double(1)  
dr4_id object_id of nearest SkyMapper source from the DR4 master table -- meta.id.cross long(1)
dr4_dist Angular distance to nearest SkyMapper DR4 source arcsec pos.angDistance double(1)  

ext.spec_2dflens

2dFLens - 2dF Gravitational Lens Survey
(70,078 rows, 20 columns)

Column Description Unit UCD1+ Datatype Principal? Indexed?
raj2000 Right ascension (J2000) deg pos.eq.ra;meta.main double(1)
dej2000 Declination (J2000) deg pos.eq.dec;meta.main double(1)
id Object ID number (only useful for this copy of 2dFLenS)   meta.id;meta.main integer(1)  
z Redshift   src.redshift real(1)    
qual Redshift quality flag meta.code.class;src.class ext.spec_2dflens smallint(1)    
target Target selection flag   meta.code.class;src.class smallint(1)    
umag u-band magnitude mag phot.mag;em.opt.u real(1)    
gmag g-band magnitude mag phot.mag;em.opt.g real(1)    
rmag r-band magnitude mag phot.mag;em.opt.r real(1)    
imag i-band magnitude mag phot.mag;em.opt.i real(1)    
zmag z-band magnitude mag phot.mag;em.opt.z real(1)    
w1mag WISE W1 magnitude mag phot.mag;em.opt.w1 real(1)    
dr1_id object_id of nearest SkyMapper source from the DR1 master table   meta.id.cross bigint(1)
dr1_dist Angular distance to nearest SkyMapper DR1 source arcsec pos.angDistance real(1)  
dr2_id object_id of nearest SkyMapper source from the DR2 master table   meta.id.cross bigint(1)
dr2_dist Angular distance to nearest SkyMapper DR2 source arcsec pos.angDistance real(1)  
dr3_id object_id of nearest SkyMapper source from the DR3 master table   meta.id.cross bigint(1)
dr3_dist Angular distance to nearest SkyMapper DR3 source arcsec pos.angDistance real(1)  
dr4_id object_id of nearest SkyMapper source from the DR4 master table   meta.id.cross bigint(1)
dr4_dist Angular distance to nearest SkyMapper DR4 source arcsec pos.angDistance real(1)  

ext.spec_2qz6qz

2dF and 6dF QSO Redshift Surveys. Extra columns give closest SkyMapper match.
(49,425 rows, 43 columns)

Column Description Unit UCD1+ Datatype Principal? Indexed?
name2qz Name of the source in 2QZ (JHHMMSS.S+DDMMSS) -- meta.id;meta.main char(17)
raj2000 Right ascension (J2000) deg pos.eq.ra;meta.main double(1)
dej2000 Declination (J2000) deg pos.eq.dec;meta.main double(1)
intno Internal catalog object number -- meta.id int(1)
intname Internal name of the object -- meta.id char(11)
sector Name of the sector this object inhabits -- obs.field char(26)    
field UKST Survey field number -- meta.id;obs.field int(1)    
xpos APM scan X position (1pix=8um) pix pos.cartesian.x;instr.det double(1)    
ypos APM scan Y position (1pix=8um) pix pos.cartesian.y;instr.det double(1)    
bjmag Photographic B_J magnitude mag phot.mag;em.opt.B double(1)  
u_bj u-B_J colour index mag phot.color;em.opt.U;em.opt.B double(1)    
bj_r B_J-r colour index mag phot.color;em.opt.B;em.opt.R double(1)    
nsp Number of observations -- meta.number int(1)    
z1 Redshift from first spectrum -- src.redshift double(1)  
q_z1 Quality flag for first spectrum -- meta.code.qual int(1)    
id1 Identification for first spectrum -- src.class char(10)    
date1 Julian Date of observation for first spectrum d time.epoch int(1)    
field1 Field and spectrograph for first spectrum -- meta.note int(1)    
fiber1 2dF fiber number for first spectrum -- meta.note int(1)    
sn1 Signal-to-noise ratio for first spectrum -- stat.snr double(1)    
z2 Redshift from second spectrum -- src.redshift double(1)  
q_z2 Quality flag for second spectrum -- meta.code.qual int(1)    
id2 Identification for second spectrum -- src.class char(10)    
date2 Julian Date of observation for second spectrum d time.epoch int(1)    
field2 Field and spectrograph for second spectrum -- meta.note int(1)    
fiber2 2dF fiber number for second spectrum -- meta.note int(1)    
sn2 Signal-to-noise ratio for second spectrum -- stat.snr double(1)    
zprev Redshift if previously known -- src.redshift double(1)    
f21cm Flux at 1.4GHz from NVSS mJy phot.flux.density;em.radio.750-1500MHz int(1)    
fx Flux at 0.1-2.4keV from RASS 10E-16W/m2 phot.flux;em.X-ray double(1)    
ebmv Reddening E(B-V) from Schegel et al. 1998 mag phot.color.excess double(1)    
com1 Specific Comment on observation 1 -- meta.note char(21)    
com2 Specific Comment on observation 2 -- meta.note char(21)    
edr_id object_id of nearest SkyMapper source from the EDR master table -- meta.id.cross long(1)
edr_dist Angular distance to nearest SkyMapper EDR source arcsec pos.angDistance double(1)  
dr1_id object_id of nearest SkyMapper source from the DR1 master table -- meta.id.cross long(1)
dr1_dist Angular distance to nearest SkyMapper DR1 source arcsec pos.angDistance double(1)  
dr2_id object_id of nearest SkyMapper source from the DR2 master table -- meta.id.cross long(1)
dr2_dist Angular distance to nearest SkyMapper DR2 source arcsec pos.angDistance double(1)  
dr3_id object_id of nearest SkyMapper source from the DR3 master table -- meta.id.cross long(1)
dr3_dist Angular distance to nearest SkyMapper DR3 source arcsec pos.angDistance double(1)  
dr4_id object_id of nearest SkyMapper source from the DR4 master table -- meta.id.cross long(1)
dr4_dist Angular distance to nearest SkyMapper DR4 source arcsec pos.angDistance double(1)  

ext.spec_6dfgs

6 Degree Field Galaxy Survey (6dFGS). Extra columns give closest SkyMapper match.
(124,647 rows, 22 columns)

Column Description Unit UCD1+ Datatype Principal? Indexed?
raj2000 Right ascension (J2000) -- pos.eq.ra;meta.main double(1)
dej2000 Declination (J2000) -- pos.eq.dec;meta.main double(1)
name6dfgs Galaxy survey target ID (gHHMMSSs+DDMMSS) -- meta.id;meta.main char(15)
nm Number of 6dFGS measurements (of any quality) -- meta.number int(1)    
bjmag Recalibrated B_J magnitude (BMAG) mag phot.mag;em.opt.B double(1)    
rfmag Recalibrated rF magnitude (RMAG) mag phot.mag;em.opt.R double(1)    
sg SuperCOSMOS star/galaxy classifier: 1=galaxy, 2=star, 3=unclassifiable, 4=noise -- meta.id int(1)    
f_cz Comparison flags between z measurements -- meta.code int(1)    
cz Best available combined recession velocity cz km/s phys.veloc;meta.modelled int(1)  
e_cz Combined uncertainty in cz km/s stat.error int(1)  
q_cz Best redshift quality value available -- meta.code.qual int(1)    
av Galactic extinction in V magnitudes from Schlegel et al. 1998 mag phys.absorption.gal double(1)    
edr_id object_id of nearest SkyMapper source from the EDR master table -- meta.id.cross long(1)
edr_dist Angular distance to nearest SkyMapper EDR source arcsec pos.angDistance double(1)  
dr1_id object_id of nearest SkyMapper source from the DR1 master table -- meta.id.cross long(1)
dr1_dist Angular distance to nearest SkyMapper DR1 source arcsec pos.angDistance double(1)  
dr2_id object_id of nearest SkyMapper source from the DR2 master table -- meta.id.cross long(1)
dr2_dist Angular distance to nearest SkyMapper DR2 source arcsec pos.angDistance double(1)  
dr3_id object_id of nearest SkyMapper source from the DR3 master table -- meta.id.cross long(1)
dr3_dist Angular distance to nearest SkyMapper DR3 source arcsec pos.angDistance double(1)  
dr4_id object_id of nearest SkyMapper source from the DR4 master table -- meta.id.cross long(1)
dr4_dist Angular distance to nearest SkyMapper DR4 source arcsec pos.angDistance double(1)  

ext.spec_galah_dr3

GALAH DR3 catalogue
(588,571 rows, 203 columns)

Column Description Unit UCD1+ Datatype Principal? Indexed?
star_id 2MASS identifier   meta.id.cross CHAR    
sobject_id GALAH identifier   meta.id BIGINT    
dr2_source_id Gaia DR2 source_id   meta.id.cross BIGINT    
dr3_source_id Gaia DR3 source_id   meta.id.cross BIGINT    
survey_name Name of survey as part of GALAH+DR3   meta.id CHAR    
field_id GALAH fco field   meta.id BIGINT    
flag_repeat Repeat observation flag indicating if used for clean catalog   meta.code.qual,stat.fit BIGINT    
wg4_field GALAH WG4 field   meta.number CHAR    
wg4_pipeline SME pipeline version free/lbol/seis   meta.version CHAR    
flag_sp Stellar parameter quality flag   meta.code.qual,stat.fit BIGINT    
teff Spectroscopic effective temperature (used for fitting) K phys.temperature.effective REAL    
e_teff Uncertainty teff K stat.error;phys.temperature.effective DOUBLE    
irfm_teff IRFM temperature (not used for synthesis) K phys.temperature.effective,phot REAL    
irfm_ebv E(B-V) used for IRFM teff estimation mag phys.absorption.gal REAL    
irfm_ebv_ref Reference irfm_ebv   meta.bib REAL    
logg Surface gravity (not fitted via spectra if wg4_pipeline not free) log(cm.s**-2) phys.gravity REAL    
e_logg Uncertainty logg log(cm.s**-2) stat.error;phys.gravity DOUBLE    
fe_h Fe atomic abundance from Fe lines (final 1D-NLTE)   phys.abund.Fe REAL    
e_fe_h Uncertainty fe_h   stat.error;phys.abund.Fe DOUBLE    
flag_fe_h Quality flag fe_h   meta.code.qual,stat.fit BIGINT    
fe_h_atmo sme.feh from stellar parameter run fitted from H / Ti / Sc / Fe   stat.fit.param REAL    
vmic Microturbulence velocity (from empirical relation) km s-1 phys.veloc.microTurb REAL    
vbroad Broadening velocity (fitted sme.vsini with sme.vmac=0) km s-1 phys.veloc.rotat REAL    
e_vbroad Uncertainty of vbroad km s-1 stat.error;phys.veloc.rotat DOUBLE    
chi2_sp Chi2 value of stellar parameter fitting   stat.fit.chi2 REAL    
alpha_fe Combined weighted alpha-process element abundance   phys.abund DOUBLE    
e_alpha_fe Uncertainty of alpha_fe   stat.error;phys.abund DOUBLE    
nr_alpha_fe Bitmask of used measurements for alpha_fe   meta.number DOUBLE    
flag_alpha_fe Quality flag of measurements for alpha_fe   meta.code.qual,stat.fit BIGINT    
flux_a_fe Normalised maximum absorption strength of in iron lines   spectr.line REAL    
chi_a_fe Chi2 value of iron abundance fitting   stat.fit.chi2 REAL    
li_fe Neutral Li atomic abundance (final 1D-NLTE)   phys.abund DOUBLE    
e_li_fe Uncertainty Li_fe   stat.error;phys.abund DOUBLE    
nr_li_fe Bitmask of used Li ind lines   meta.number BIGINT    
flag_li_fe Quality flag of Li_fe   meta.code.qual,stat.fit BIGINT    
c_fe Neutral C atomic abundance (final 1D-NLTE)   phys.abund DOUBLE    
e_c_fe Uncertainty C_fe   stat.error;phys.abund DOUBLE    
nr_c_fe Bitmask of used C ind lines   meta.number BIGINT    
flag_c_fe Quality flag of C_fe   meta.code.qual,stat.fit BIGINT    
o_fe Neutral O atomic abundance (final 1D-NLTE)   phys.abund DOUBLE    
e_o_fe Uncertainty O_fe   stat.error;phys.abund DOUBLE    
nr_o_fe Bitmask of used O ind lines   meta.number BIGINT    
flag_o_fe Quality flag of O_fe   meta.code.qual,stat.fit BIGINT    
na_fe Neutral Na atomic abundance (final 1D-NLTE)   phys.abund DOUBLE    
e_na_fe Uncertainty Na_fe   stat.error;phys.abund DOUBLE    
nr_na_fe Bitmask of used Na ind lines   meta.number BIGINT    
flag_na_fe Quality flag of Na_fe   meta.code.qual,stat.fit BIGINT    
mg_fe Neutral Mg atomic abundance (final 1D-NLTE)   phys.abund DOUBLE    
e_mg_fe Uncertainty Mg_fe   stat.error;phys.abund DOUBLE    
nr_mg_fe Bitmask of used Mg ind lines   meta.number BIGINT    
flag_mg_fe Quality flag of Mg_fe   meta.code.qual,stat.fit BIGINT    
al_fe Neutral Al atomic abundance (final 1D-NLTE)   phys.abund DOUBLE    
e_al_fe Uncertainty Al_fe   stat.error;phys.abund DOUBLE    
nr_al_fe Bitmask of used Al ind lines   meta.number BIGINT    
flag_al_fe Quality flag of Al_fe   meta.code.qual,stat.fit BIGINT    
si_fe Neutral Si atomic abundance (final 1D-NLTE)   phys.abund DOUBLE    
e_si_fe Uncertainty Si_fe   stat.error;phys.abund DOUBLE    
nr_si_fe Bitmask of used Si ind lines   meta.number BIGINT    
flag_si_fe Quality flag of Si_fe   meta.code.qual,stat.fit BIGINT    
k_fe Neutral K atomic abundance (final 1D-NLTE)   phys.abund DOUBLE    
e_k_fe Uncertainty K_fe   stat.error;phys.abund DOUBLE    
nr_k_fe Bitmask of used K ind lines   meta.number BIGINT    
flag_k_fe Quality flag of K_fe   meta.code.qual,stat.fit BIGINT    
ca_fe Neutral Ca atomic abundance (final 1D-NLTE)   phys.abund DOUBLE    
e_ca_fe Uncertainty Ca_fe   stat.error;phys.abund DOUBLE    
nr_ca_fe Bitmask of used Ca ind lines   meta.number BIGINT    
flag_ca_fe Quality flag of Ca_fe   meta.code.qual,stat.fit BIGINT    
sc_fe Neutral Sc atomic abundance (final 1D-LTE)   phys.abund DOUBLE    
e_sc_fe Uncertainty Sc_fe   stat.error;phys.abund DOUBLE    
nr_sc_fe Bitmask of used Sc ind lines   meta.number BIGINT    
flag_sc_fe Quality flag of Sc_fe   meta.code.qual,stat.fit BIGINT    
sc2_fe Single-ionized Sc atomic abundance (final 1D-LTE)   phys.abund DOUBLE    
e_sc2_fe Uncertainty Sc2_fe   stat.error;phys.abund DOUBLE    
nr_sc2_fe Bitmask of used Sc2 ind lines   meta.number BIGINT    
flag_sc2_fe Quality flag of Sc2_fe   meta.code.qual,stat.fit BIGINT    
ti_fe Neutral Ti atomic abundance (final 1D-LTE)   phys.abund DOUBLE    
e_ti_fe Uncertainty Ti_fe   stat.error;phys.abund DOUBLE    
nr_ti_fe Bitmask of used Ti ind lines   meta.number BIGINT    
flag_ti_fe Quality flag of Ti_fe   meta.code.qual,stat.fit BIGINT    
ti2_fe Single-ionised Ti2 atomic abundance (final 1D-LTE)   phys.abund DOUBLE    
e_ti2_fe Uncertainty Ti2_fe   stat.error;phys.abund DOUBLE    
nr_ti2_fe Bitmask of used Ti2 ind lines   meta.number BIGINT    
flag_ti2_fe Quality flag of Ti2_fe   meta.code.qual,stat.fit BIGINT    
v_fe Neutral V atomic abundance (final 1D-LTE)   phys.abund DOUBLE    
e_v_fe Uncertainty V_fe   stat.error;phys.abund DOUBLE    
nr_v_fe Bitmask of used V ind lines   meta.number BIGINT    
flag_v_fe Quality flag of V_fe   meta.code.qual,stat.fit BIGINT    
cr_fe Neutral Cr atomic abundance (final 1D-LTE)   phys.abund DOUBLE    
e_cr_fe Uncertainty Cr_fe   stat.error;phys.abund DOUBLE    
nr_cr_fe Bitmask of used Cr ind lines   meta.number BIGINT    
flag_cr_fe Quality flag of Cr_fe   meta.code.qual,stat.fit BIGINT    
cr2_fe Single-ionised Cr atomic abundance (final 1D-LTE)   phys.abund DOUBLE    
e_cr2_fe Uncertainty Cr2_fe   stat.error;phys.abund DOUBLE    
nr_cr2_fe Bitmask of used Cr2 ind lines   meta.number BIGINT    
flag_cr2_fe Quality flag of Cr2_fe   meta.code.qual,stat.fit BIGINT    
mn_fe Neutral Mn atomic abundance (final 1D-NLTE)   phys.abund DOUBLE    
e_mn_fe Uncertainty Mn_fe   stat.error;phys.abund DOUBLE    
nr_mn_fe Bitmask of used Mn ind lines   meta.number BIGINT    
flag_mn_fe Quality flag of Mn_fe   meta.code.qual,stat.fit BIGINT    
co_fe Neutral Co atomic abundance (final 1D-LTE)   phys.abund DOUBLE    
e_co_fe Uncertainty Co_fe   stat.error;phys.abund DOUBLE    
nr_co_fe Bitmask of used Co ind lines   meta.number BIGINT    
flag_co_fe Quality flag of Co_fe   meta.code.qual,stat.fit BIGINT    
ni_fe Neutral Ni atomic abundance (final 1D-LTE)   phys.abund DOUBLE    
e_ni_fe Uncertainty Ni_fe   stat.error;phys.abund DOUBLE    
nr_ni_fe Bitmask of used Ni ind lines   meta.number BIGINT    
flag_ni_fe Quality flag of Ni_fe   meta.code.qual,stat.fit BIGINT    
cu_fe Neutral Cu atomic abundance (final 1D-LTE)   phys.abund DOUBLE    
e_cu_fe Uncertainty Cu_fe   stat.error;phys.abund DOUBLE    
nr_cu_fe Bitmask of used Cu ind lines   meta.number BIGINT    
flag_cu_fe Quality flag of Cu_fe   meta.code.qual,stat.fit BIGINT    
zn_fe Neutral Zn atomic abundance (final 1D-LTE)   phys.abund DOUBLE    
e_zn_fe Uncertainty Zn_fe   stat.error;phys.abund DOUBLE    
nr_zn_fe Bitmask of used Zn ind lines   meta.number BIGINT    
flag_zn_fe Quality flag of Zn_fe   meta.code.qual,stat.fit BIGINT    
rb_fe Neutral Rb atomic abundance (final 1D-LTE)   phys.abund DOUBLE    
e_rb_fe Uncertainty Rb_fe   stat.error;phys.abund DOUBLE    
nr_rb_fe Bitmask of used Rb ind lines   meta.number BIGINT    
flag_rb_fe Quality flag of Rb_fe   meta.code.qual,stat.fit BIGINT    
sr_fe Neutral Sr atomic abundance (final 1D-LTE)   phys.abund DOUBLE    
e_sr_fe Uncertainty Sr_fe   stat.error;phys.abund DOUBLE    
nr_sr_fe Bitmask of used Sr ind lines   meta.number BIGINT    
flag_sr_fe Quality flag of Sr_fe   meta.code.qual,stat.fit BIGINT    
y_fe Neutral Y atomic abundance (final 1D-LTE)   phys.abund DOUBLE    
e_y_fe Uncertainty Y_fe   stat.error;phys.abund DOUBLE    
nr_y_fe Bitmask of used Y ind lines   meta.number BIGINT    
flag_y_fe Quality flag of Y_fe   meta.code.qual,stat.fit BIGINT    
zr_fe Neutral Zr atomic abundance (final 1D-LTE)   phys.abund DOUBLE    
e_zr_fe Uncertainty Zr_fe   stat.error;phys.abund DOUBLE    
nr_zr_fe Bitmask of used Zr ind lines   meta.number BIGINT    
flag_zr_fe Quality flag of Zr_fe   meta.code.qual,stat.fit BIGINT    
mo_fe Neutral Mo atomic abundance (final 1D-LTE)   phys.abund DOUBLE    
e_mo_fe Uncertainty Mo_fe   stat.error;phys.abund DOUBLE    
nr_mo_fe Bitmask of used Mo ind lines   meta.number BIGINT    
flag_mo_fe Quality flag of Mo_fe   meta.code.qual,stat.fit BIGINT    
ru_fe Neutral Ru atomic abundance (final 1D-LTE)   phys.abund DOUBLE    
e_ru_fe Uncertainty Ru_fe   stat.error;phys.abund DOUBLE    
nr_ru_fe Bitmask of used Ru ind lines   meta.number BIGINT    
flag_ru_fe Quality flag of Ru_fe   meta.code.qual,stat.fit BIGINT    
ba_fe Single-ionised Ba atomic abundance (final 1D-NLTE)   phys.abund DOUBLE    
e_ba_fe Uncertainty Ba_fe   stat.error;phys.abund DOUBLE    
nr_ba_fe Bitmask of used Ba ind lines   meta.number BIGINT    
flag_ba_fe Quality flag of Ba_fe   meta.code.qual,stat.fit BIGINT    
la_fe Single-ionised La atomic abundance (final 1D-LTE)   phys.abund DOUBLE    
e_la_fe Uncertainty La_fe   stat.error;phys.abund DOUBLE    
nr_la_fe Bitmask of used La ind lines   meta.number BIGINT    
flag_la_fe Quality flag of La_fe   meta.code.qual,stat.fit BIGINT    
ce_fe Single-ionised Ce atomic abundance (final 1D-LTE)   phys.abund DOUBLE    
e_ce_fe Uncertainty Ce_fe   stat.error;phys.abund DOUBLE    
nr_ce_fe Bitmask of used Ce ind lines   meta.number BIGINT    
flag_ce_fe Quality flag of Ce_fe   meta.code.qual,stat.fit BIGINT    
nd_fe Single-ionised Nd atomic abundance (final 1D-LTE)   phys.abund DOUBLE    
e_nd_fe Uncertainty Nd_fe   stat.error;phys.abund DOUBLE    
nr_nd_fe Bitmask of used Nd ind lines   meta.number BIGINT    
flag_nd_fe Quality flag of Nd_fe   meta.code.qual,stat.fit BIGINT    
sm_fe Single-ionised Sm atomic abundance (final 1D-LTE)   phys.abund DOUBLE    
e_sm_fe Uncertainty Sm_fe   stat.error;phys.abund DOUBLE    
nr_sm_fe Bitmask of used Sm ind lines   meta.number BIGINT    
flag_sm_fe Quality flag of Sm_fe   meta.code.qual,stat.fit BIGINT    
eu_fe Single-ionised Eu atomic abundance (final 1D-LTE)   phys.abund DOUBLE    
e_eu_fe Uncertainty Eu_fe   stat.error;phys.abund DOUBLE    
nr_eu_fe Bitmask of used Eu ind lines   meta.number BIGINT    
flag_eu_fe Quality flag of Eu_fe   meta.code.qual,stat.fit BIGINT    
ra_dr2 propagated from Gaia DR2 deg pos.eq.ra;meta.main DOUBLE    
dec_dr2 propagated from Gaia DR2 deg pos.eq.dec;meta.main DOUBLE    
parallax_dr2 propagated from Gaia DR2 mas pos.parallax DOUBLE    
parallax_error_dr2 propagated from Gaia DR2 mas stat.error;pos.parallax DOUBLE    
r_est_dr2 propagated from 2018AJ....156...58B pc pos.distance DOUBLE    
r_lo_dr2 propagated from 2018AJ....156...58B pc stat.error;stat.min;pos.distance DOUBLE    
r_hi_dr2 propagated from 2018AJ....156...58B pc stat.error;stat.max;pos.distance DOUBLE    
r_len_dr2 propagated from 2018AJ....156...58B pc stat.fit.param;pos.distance DOUBLE    
rv_galah SME fitted radial velocity from GALAH spectra km s-1 spect.dopplerVeloc.opt DOUBLE    
e_rv_galah Uncertainty of rv_galah km s-1 stat.error;spect.dopplerVeloc.opt DOUBLE    
rv_gaia_dr2 propagated from Gaia DR2 km s-1 spect.dopplerVeloc.opt REAL    
e_rv_gaia_dr2 propagated from Gaia DR2 km s-1 stat.error;spect.dopplerVeloc.opt REAL    
red_flag eduction pipeline quality flag   meta.code.qual; BIGINT    
ebv SFD extinction value mag phot.color.excess DOUBLE    
snr_c1_iraf Average SNR/px CCD1   stat.snr DOUBLE    
snr_c2_iraf Average SNR/px CCD2   stat.snr DOUBLE    
snr_c3_iraf Average SNR/px CCD3   stat.snr DOUBLE    
snr_c4_iraf Average SNR/px CCD4   stat.snr DOUBLE    
flag_guess GUESS reduction pipeline quality flag   meta.code.qual,stat.fit BIGINT    
v_jk V magnitude estimated from 2MASS J and Ks mag mag phot.mag REAL    
j_m propagated from 2MASS mag phot.mag;em.IR.J REAL    
j_msigcom propagated from 2MASS mag stat.error;phot.mag;em.IR.J REAL    
h_m propagated from 2MASS mag phot.mag;em.IR.H REAL    
h_msigcom propagated from 2MASS mag stat.error;phot.mag;em.IR.H REAL    
ks_m propagated from 2MASS mag phot.mag;em.IR.K REAL    
ks_msigcom propagated from 2MASS mag stat.error;phot.mag;em.IR.K REAL    
ph_qual_tmass propagated from 2MASS ph_qual   meta.code.qual;phot CHAR    
w2mpro propagated from AllWISE mag phot.mag;em.IR.4-8um DOUBLE    
w2mpro_error propagated from AllWISE mag stat.error;phot.mag DOUBLE    
ph_qual_wise propagated from AllWISE ph_qual   meta.code.qual;phot CHAR    
a_ks Used Ks band extinction mag phys.absorption.gal DOUBLE    
e_a_ks Uncertainty of a_ks mag stat.error,phys.absorption.gal DOUBLE    
bc_ks Used Bolometric Correction for Ks band mag phot.mag.bc;em.IR.K REAL    
ruwe_dr2 propagated from Gaia DR2   stat.error DOUBLE    
dr2_id Nearest SMSS DR2 object_id   meta.id.cross BIGINT    
dr2_dist Angular distance to nearest SkyMapper DR2 source arcsec pos.angDistanc REAL    
dr3_id Nearest SMSS DR3 object_id   meta.id.cross BIGINT    
dr3_dist Angular distance to nearest SkyMapper DR3 source arcsec pos.angDistanc REAL    
dr4_id object_id of nearest SkyMapper DR4 source from master table -- meta.id.cross long(1)  ✓  ✓
dr4_dist Angular distance to nearest SkyMapper DR4 source arcsec pos.angDistance real(1)  ✓  

ext.spec_gama_dr3

Galaxy Mass and Assembly (GAMA) Survey Data Release 3, SpecObj table
(160,026 rows, 27 columns)

Column Description Unit UCD1+ Datatype Principal? Indexed?
CATAID Unique ID of GAMA object   meta.id;meta.main INT(1)    
GAMA_NAME Name of GAMA object   meta.id CHAR(1)    
IC_FLAG Catalogue source(s) of GAMA object   meta.code.member SMALLINT(1)    
N_SPEC Number of spectra available for this object   meta.number;spect SMALLINT(1)    
N_GAMA_SPEC Number of GAMA spectra available for this object   meta.number;spect SMALLINT(1)    
DIST Distance between GAMA object and best matched spectrum arcsec pos.angDistance REAL(1)    
SPECID ID of best matched spectrum   meta.id.cross;spect CHAR(1)    
SURVEY Survey best matched spectrum originated from   meta.dataset CHAR(1)    
SURVEY_CODE Numerical code for originating survey   meta.code;meta.dataset SMALLINT(1)    
RAj2000 RA of spectrum (J2000) deg pos.eq.ra FLOAT(1)    
DEJ2000 DEC of spectrum (J2000) deg pos.eq.dec FLOAT(1)    
WMIN Minimum wavelength of spectrum A em.wl;stat.min FLOAT(1)    
WMAX Maximum wavelength of spectrum A em.wl;stat.max FLOAT(1)    
Z Heliocentric redshift   src.redshift REAL(1)    
NQ Normalised redshift quality (use nQ > 2 for science)   meta.code.qual;src.redshift SMALLINT(1)    
PROB Probability that redshift is correct   stat.probability;src.redshift REAL(1)    
FILENAME Full path and filename of the spectrum   meta.id;meta.file;meta.fits CHAR(1)    
URL URL of the spectrum   meta.ref.url;meta.file;meta.fits CHAR(1)    
URL_IMG URL of the spectrum image   meta.ref.url;meta.file CHAR(1)    
dr1_id object_id of nearest SkyMapper source from the DR1 master table   meta.id.cross LONG(1)
dr1_dist Angular distance to nearest SkyMapper DR1 source arcsec pos.angDistance DOUBLE(1)  
dr2_id object_id of nearest SkyMapper source from the DR2 master table   meta.id.cross LONG(1)
dr2_dist Angular distance to nearest SkyMapper DR2 source arcsec pos.angDistance DOUBLE(1)  
dr3_id object_id of nearest SkyMapper source from the DR3 master table   meta.id.cross LONG(1)
dr3_dist Angular distance to nearest SkyMapper DR3 source arcsec pos.angDistance DOUBLE(1)  
dr4_id object_id of nearest SkyMapper source from the DR4 master table   meta.id.cross LONG(1)
dr4_dist Angular distance to nearest SkyMapper DR4 source arcsec pos.angDistance DOUBLE(1)  

ext.spec_hesqso

Hamburg/ESO survey for bright QSOs. III. (Wisotzki+, 2000). Extra columns give closest SkyMapper match.
(415 rows, 19 columns)

Column Description Unit UCD1+ Datatype Principal? Indexed?
hename HES name (Hamburg/ESO Survey) -- meta.id;meta.main char(13)
vvname Name as listed by Veron-Cetty and Veron (1995, see Cat. VII/215) -- meta.id.cross char(20)  
raj2000 Right ascension (J2000) deg pos.eq.ra;meta.main double(1)
dej2000 Declination (J2000) deg pos.dec;meta.main double(1)
field Field number -- obs.field int(1)    
z Geocentric redshift -- src.redshift double(1)  
f_z Redshift origin flag (+ = from survey observations, accuracy +/- 0.001) -- meta.code char(3)    
bjmag Photographic B_J magnitude mag phot.mag;em.opt.B double(1)  
bjmagc Photographic B_J magnitude, corrected for extinction mag phot.mag.reddFree;em.opt.B double(1)  
edr_id object_id of nearest SkyMapper source from the EDR master table -- meta.id.cross long(1)  
edr_dist Angular distance to nearest SkyMapper EDR source arcsec pos.angDistance double(1)    
dr1_id object_id of nearest SkyMapper source from the DR1 master table -- meta.id.cross long(1)  
dr1_dist Angular distance to nearest SkyMapper DR1 source arcsec pos.angDistance double(1)    
dr2_id object_id of nearest SkyMapper source from the DR2 master table -- meta.id.cross long(1)  
dr2_dist Angular distance to nearest SkyMapper DR2 source arcsec pos.angDistance double(1)    
dr3_id object_id of nearest SkyMapper source from the DR3 master table -- meta.id.cross long(1)  
dr3_dist Angular distance to nearest SkyMapper DR3 source arcsec pos.angDistance double(1)    
dr4_id object_id of nearest SkyMapper source from the DR4 master table -- meta.id.cross long(1)  
dr4_dist Angular distance to nearest SkyMapper DR4 source arcsec pos.angDistance double(1)    

ext.spec_ozdes_dr2

Australian Dark Energy Survey (OzDES) Data Release 2
(38,624 rows, 12 columns)

Column Description Unit UCD1+ Datatype Principal? Indexed?
OzDES_ID OzDES identifier   meta.id;meta.main CHAR(1)    
raJ2000 Right ascension deg pos.eq.ra DOUBLE(1)    
dej2000 Declination deg pos.eq.dec DOUBLE(1)    
z Redshift   src.redshift;meta.main REAL(1)    
flag Redshift flag: Only flags 3/4/6 in this release: 3-single strong feature or multiple weak features; 95% confidence; 4-multiple strong features; >99% confidence; 6-spectroscopically confirmed star   meta.code.qual INT(1)    
types Primary target type   meta.code.class CHAR(1)    
dr2_id object_id of nearest SkyMapper source from the DR2 master table   meta.id.cross LONG(1)
dr2_dist Angular distance to nearest SkyMapper DR2 source arcsec pos.angDistance DOUBLE(1)  
dr3_id object_id of nearest SkyMapper source from the DR3 master table   meta.id.cross LONG(1)
dr3_dist Angular distance to nearest SkyMapper DR3 source arcsec pos.angDistance DOUBLE(1)  
dr4_id object_id of nearest SkyMapper source from the DR4 master table   meta.id.cross LONG(1)
dr4_dist Angular distance to nearest SkyMapper DR4 source arcsec pos.angDistance DOUBLE(1)  

ext.spec_rave_dr6

Radial Velocity Experiment (RAVE) Data Release 6, combining sparv, classification, and obsdata tables
(518,387 rows, 43 columns)

Column Description Unit UCD1+ Datatype Principal? Indexed?
rave_obs_id Unique Identifier for RAVE objects, Observation Date, Fieldname, Fibernumber   meta.id CHAR(1)    
raveid (J2000 GCS)   meta.id CHAR(1)    
objectid     meta.id CHAR(1)    
hrv_sparv Heliocentric radial velocity km/s spect.dopplerVeloc;pos.heliocentric REAL(1)    
hrv_error_sparv Error of heliocentric radial velocity km/s stat.error;spect.dopplerVeloc;pos.heliocentric REAL(1)    
correlation_coeff_sparv Tonry-Davis R correlation coefficient   stat.correlation REAL(1)    
correction_rv_sparv Zero point correction applied Heliocentric Radial Velocity km/s spect.dopplerVeloc;arith.zp REAL(1)    
chisq_sparv chi square from SPARV pipeline   stat.fit.chi2 REAL(1)    
snr_med_sparv Signal/Noise Ratio   stat.snr DOUBLE(1)    
flag1_class Primary classification flag ([a,b,c,d,e,g,h,n,o,p,t,u,w])   meta.code.class CHAR(1)    
flag2_class Secondary classification flag ([a,b,c,d,e,g,h,n,o,p,t,u,w])   meta.code.class CHAR(1)    
flag3_class Tertiary classification flag ([a,b,c,d,e,g,h,n,o,p,t,u,w])   meta.code.class CHAR(1)    
w1_class Weight of the primary classifcation flag   stat.weight;meta.code.qual DOUBLE(1)    
w2_class Weight of the secondary classifcation flag   stat.weight;meta.code.qual DOUBLE(1)    
w3_class Weight of the tertiary classifcation flag   stat.weight;meta.code.qual DOUBLE(1)    
ra_input Right ascension (J2000) deg pos.eq.ra;meta.main DOUBLE(1)    
dec_input Declination (J2000) deg pos.eq.dec;meta.main DOUBLE(1)    
field Observed area of one ECHIDNA observation   meta.id;meta.file CHAR(1)    
obsdate Integer representing the Observation Date as: YYYYMMDD   time.obs;time.epoch;meta.code INTEGER(1)    
fieldname Field name, derived from center of observed Field (RA/Dec)   meta.id;meta.file CHAR(1)    
fibernumber Instrument fiber number (2df). Can take values between 1 and 150.   meta.id.instr.part SMALLINT(1)    
ut_start Universal time (UT) at begin of the observation. Represented as: hours:minutes:seconds   time.start CHAR(1)    
ut_end Universal time (UT) at the end of the observation. Represented as: hours:minutes:seconds   time.end CHAR(1)    
lst_start Local Sideral Time at start of exposure. Represented as: hours:minutes:seconds   time.start CHAR(1)    
lst_end Local Sideral Time at end of exposure. Represented as: hours:minutes:seconds   time.end CHAR(1)    
exposure_time Exposure time. s time.duration REAL(1)    
ra_plate Right ascension of the centre of the plate deg pos.eq.ra;meta.main DOUBLE(1)    
dec_plate Declination of the centre of the plate deg pos.eq.dec;meta.main DOUBLE(1)    
platenumber Number of fieldplate on instrument. Can take values between 1 and 3.   instr.plate;meta.id SMALLINT(1)    
airmass Air mass   obs.airMass REAL(1)    
lunar_phase Lunar phase   time.phase REAL(1)    
cluster_flag Flags if the cluster observation was targeted or not. 0 = not a targeted, 1 = targeted.   meta.code.qual CHAR(1)    
n_repeats Number of repeat observation of a stellar object   meta.number SMALLINT(1)    
footprint_flag Flags if the selection function footprint (sff) is part of RAVE or outside. 1 = part of, 0 = outside.   meta.code.qual SMALLINT(1)    
healpix4096 Hierarchical Equal-Area iso-Latitude Pixelisation value (N_side = 4096)   meta.code BIGINT(1)    
dr1_id Nearest SMSS DR1 object_id   meta.id.cross BIGINT    
dr1_dist Angular distance to nearest SkyMapper DR1 source arcsec pos.angDistanc REAL    
dr2_id Nearest SMSS DR2 object_id   meta.id.cross BIGINT    
dr2_dist Angular distance to nearest SkyMapper DR2 source arcsec pos.angDistanc REAL    
dr3_id Nearest SMSS DR3 object_id   meta.id.cross BIGINT    
dr3_dist Angular distance to nearest SkyMapper DR3 source arcsec pos.angDistanc REAL    
dr4_id Nearest SMSS DR4 object_id   meta.id.cross BIGINT    
dr4_dist Angular distance to nearest SkyMapper DR4 source arcsec pos.angDistanc REAL    

ext.spec_twomrs

The 2MASS Redshift Survey (Huchra et al. 2012)
(43,532 rows, 37 columns)

Column Description Unit UCD1+ Datatype Principal? Indexed?
id 2MASS ID [XSC: designation]   meta.id;meta.main INTEGER(1)    
raj2000 Right ascension (J2000) deg pos.eq.ra;meta.main DOUBLE(1)    
dej2000 Declination (J2000) deg pos.eq.dec;meta.main DOUBLE(1)    
lgal Galactic longitude deg pos.galactic.lon DOUBLE(1)    
bgal Galactic latitude deg pos.galactic.lat DOUBLE(1)    
k_c Ks isophotal magnitude, extinction corrected [XSC: k_m_k20fe] mag phot.mag;em.IR.K REAL(1)    
h_c same for H [XSC: h_m_k20fe] mag phot.mag;em.IR.H REAL(1)    
j_c same for J [XSC: j_m_k20fe] mag phot.mag;em.IR.J REAL(1)    
k_tc "Total" magnitude, extinction corrected [XSC: k_m_ext] mag phot.mag;em.IR.K REAL(1)    
h_tc same for H [XSC: h_m_ext] mag phot.mag;em.IR.H REAL(1)    
j_tc same for J [XSC: j_m_ext] mag phot.mag;em.IR.J REAL(1)    
e_k Uncertainty in k_c [XSC: k_msig_k20fe] mag stat.error;phot.mag;em.IR.K REAL(1)    
e_h same for h_c [XSC: h_msig_k20fe] mag stat.error;phot.mag;em.IR.H REAL(1)    
e_j same for j_c [XSC: j_msig_k20fe] mag stat.error;phot.mag;em.IR.J REAL(1)    
e_kt same for k_tc [XSC: k_msig_ext] mag stat.error;phot.mag;em.IR.K REAL(1)    
e_ht same for h_tc [XSC: h_msig_ext] mag stat.error;phot.mag;em.IR.H REAL(1)    
e_jt same for j_tc [XSC: j_msig_ext] mag stat.error;phot.mag;em.IR.J REAL(1)    
e_bv E(B-V) from Schlegel, Finkbeiner & Davis (1998ApJ...500..525S) mag phot.color.excess;phys.absorption REAL(1)    
r_iso log10 of K=20 mag/sq arcsec isophotal radius [XSC: r_k20fe] arcsec phys.angSize REAL(1)    
r_ext same for "total magnitude" extrapolation radius [XSC: r_ext] arcsec phys.angSize REAL(1)    
b_a axial ratio from co-added JHKs images [XSC: sup_ba]   phys.size.axisRatio;src REAL(1)    
flgs photometry confusion flags from 2MASS XSC database [XSC: cc_flg, k_flg_k20fe, h_flg_k20fe, j_flg_k20fe]. A "Z" in the first column indicates that we have used magnitudes from the 2MASS LGA.   meta.code.qual CHAR(4)    
type galaxy type, following ZCAT convention   meta.code.qual CHAR(5)    
ts source of type (JH=John Huchra; ZC=ZCAT; ND=NED; NN=not available)   meta.code.qual CHAR(2)    
v redshift km/s src.redshift REAL(1)    
e_v uncertainty in redshift, when available km/s stat.error;src.redshift REAL(1)    
c code for input catalog containing redshift   meta.code CHAR(1)    
vsrc bibliographic code for source of redshift (follows NED convention)   meta.code CHAR(20)    
cat_id name of galaxy in input redshift catalog   meta.id CHAR(30)    
dr1_id object_id of nearest SkyMapper source from the DR1 master table   meta.id.cross BIGINT(1)
dr1_dist Angular distance to nearest SkyMapper DR1 source arcsec pos.angDistance REAL(1)  
dr2_id object_id of nearest SkyMapper source from the DR2 master table   meta.id.cross BIGINT(1)
dr2_dist Angular distance to nearest SkyMapper DR2 source arcsec pos.angDistance REAL(1)  
dr3_id object_id of nearest SkyMapper source from the DR3 master table   meta.id.cross BIGINT(1)
dr3_dist Angular distance to nearest SkyMapper DR3 source arcsec pos.angDistance REAL(1)  
dr4_id object_id of nearest SkyMapper source from the DR4 master table   meta.id.cross BIGINT(1)
dr4_dist Angular distance to nearest SkyMapper DR4 source arcsec pos.angDistance REAL(1)  

ext.splus_dr3

Southern Photometric Local Universe Survey (S-PLUS) Data Release 3
(58,670,349 rows, 283 columns)

Column Description Unit UCD1+ Datatype Principal? Indexed?
id S-PLUS ID on this data release NULL meta.id;meta.main VARCHAR
ra Right Ascention J2000 [deg] deg pos.eq.ra;meta.main DOUBLE
dec Declination J2000 [deg] deg pos.eq.dec;meta.main DOUBLE
calibration_flag Indication of the reference catalogue for calibration. 1: use of NULL meta.code REAL    
class_star Star/Galaxy classifier output for the detection image NULL meta.code REAL    
field S-PLUS Field name of the observation NULL meta.id VARCHAR    
j0378_aper_3 AB J0378 band APER_3 magnitude mag phot.mag;em.opt.j0378 REAL    
j0378_aper_6 AB J0378 band APER_6 magnitude mag phot.mag;em.opt.j0378 REAL    
j0378_auto AB J0378 band AUTO magnitude mag phot.mag;em.opt.j0378 REAL    
j0378_iso AB J0378 band ISO magnitude mag phot.mag;em.opt.j0378 REAL    
j0378_petro AB J0378 band PETRO magnitude mag phot.mag;em.opt.j0378 REAL    
j0378_pstotal AB J0378 band PSTOTAL magnitude mag phot.mag;em.opt.j0378 REAL    
e_j0378_aper_3 AB J0378 band APER_3 magnitude error mag phot.mag;em.opt.j0378;stat.error REAL    
e_j0378_aper_6 AB J0378 band APER_6 magnitude error mag phot.mag;em.opt.j0378;stat.error REAL    
e_j0378_auto AB J0378 band AUTO magnitude error mag phot.mag;em.opt.j0378;stat.error REAL    
e_j0378_iso AB J0378 band ISO magnitude error mag phot.mag;em.opt.j0378;stat.error REAL    
e_j0378_petro AB J0378 band PETRO magnitude error mag phot.mag;em.opt.j0378;stat.error REAL    
e_j0378_pstotal AB J0378 band PSTOTAL magnitude error mag phot.mag;em.opt.j0378;stat.error REAL    
j0395_aper_3 AB J0395 band APER_3 magnitude mag phot.mag;em.opt.j0395 REAL    
j0395_aper_6 AB J0395 band APER_6 magnitude mag phot.mag;em.opt.j0395 REAL    
j0395_auto AB J0395 band AUTO magnitude mag phot.mag;em.opt.j0395 REAL    
j0395_iso AB J0395 band ISO magnitude mag phot.mag;em.opt.j0395 REAL    
j0395_petro AB J0395 band PETRO magnitude mag phot.mag;em.opt.j0395 REAL    
j0395_pstotal AB J0395 band PSTOTAL magnitude mag phot.mag;em.opt.j0395 REAL    
e_j0395_aper_3 AB J0395 band APER_3 magnitude error mag phot.mag;em.opt.j0395;stat.error REAL    
e_j0395_aper_6 AB J0395 band APER_6 magnitude error mag phot.mag;em.opt.j0395;stat.error REAL    
e_j0395_auto AB J0395 band AUTO magnitude error mag phot.mag;em.opt.j0395;stat.error REAL    
e_j0395_iso AB J0395 band ISO magnitude error mag phot.mag;em.opt.j0395;stat.error REAL    
e_j0395_petro AB J0395 band PETRO magnitude error mag phot.mag;em.opt.j0395;stat.error REAL    
e_j0395_pstotal AB J0395 band PSTOTAL magnitude error mag phot.mag;em.opt.j0395;stat.error REAL    
j0410_aper_3 AB J0410 band APER_3 magnitude mag phot.mag;em.opt.j0410 REAL    
j0410_aper_6 AB J0410 band APER_6 magnitude mag phot.mag;em.opt.j0410 REAL    
j0410_auto AB J0410 band AUTO magnitude mag phot.mag;em.opt.j0410 REAL    
j0410_iso AB J0410 band ISO magnitude mag phot.mag;em.opt.j0410 REAL    
j0410_petro AB J0410 band PETRO magnitude mag phot.mag;em.opt.j0410 REAL    
j0410_pstotal AB J0410 band PSTOTAL magnitude mag phot.mag;em.opt.j0410 REAL    
e_j0410_aper_3 AB J0410 band APER_3 magnitude error mag phot.mag;em.opt.j0410;stat.error REAL    
e_j0410_aper_6 AB J0410 band APER_6 magnitude error mag phot.mag;em.opt.j0410;stat.error REAL    
e_j0410_auto AB J0410 band AUTO magnitude error mag phot.mag;em.opt.j0410;stat.error REAL    
e_j0410_iso AB J0410 band ISO magnitude error mag phot.mag;em.opt.j0410;stat.error REAL    
e_j0410_petro AB J0410 band PETRO magnitude error mag phot.mag;em.opt.j0410;stat.error REAL    
e_j0410_pstotal AB J0410 band PSTOTAL magnitude error mag phot.mag;em.opt.j0410;stat.error REAL    
j0430_aper_3 AB J0430 band APER_3 magnitude mag phot.mag;em.opt.j0430 REAL    
j0430_aper_6 AB J0430 band APER_6 magnitude mag phot.mag;em.opt.j0430 REAL    
j0430_auto AB J0430 band AUTO magnitude mag phot.mag;em.opt.j0430 REAL    
j0430_iso AB J0430 band ISO magnitude mag phot.mag;em.opt.j0430 REAL    
j0430_petro AB J0430 band PETRO magnitude mag phot.mag;em.opt.j0430 REAL    
j0430_pstotal AB J0430 band PSTOTAL magnitude mag phot.mag;em.opt.j0430 REAL    
e_j0430_aper_3 AB J0430 band APER_3 magnitude error mag phot.mag;em.opt.j0430;stat.error REAL    
e_j0430_aper_6 AB J0430 band APER_6 magnitude error mag phot.mag;em.opt.j0430;stat.error REAL    
e_j0430_auto AB J0430 band AUTO magnitude error mag phot.mag;em.opt.j0430;stat.error REAL    
e_j0430_iso AB J0430 band ISO magnitude error mag phot.mag;em.opt.j0430;stat.error REAL    
e_j0430_petro AB J0430 band PETRO magnitude error mag phot.mag;em.opt.j0430;stat.error REAL    
e_j0430_pstotal AB J0430 band PSTOTAL magnitude error mag phot.mag;em.opt.j0430;stat.error REAL    
j0515_aper_3 AB J0515 band APER_3 magnitude mag phot.mag;em.opt.j0515 REAL    
j0515_aper_6 AB J0515 band APER_6 magnitude mag phot.mag;em.opt.j0515 REAL    
j0515_auto AB J0515 band AUTO magnitude mag phot.mag;em.opt.j0515 REAL    
j0515_iso AB J0515 band ISO magnitude mag phot.mag;em.opt.j0515 REAL    
j0515_petro AB J0515 band PETRO magnitude mag phot.mag;em.opt.j0515 REAL    
j0515_pstotal AB J0515 band PSTOTAL magnitude mag phot.mag;em.opt.j0515 REAL    
e_j0515_aper_3 AB J0515 band APER_3 magnitude error mag phot.mag;em.opt.j0515;stat.error REAL    
e_j0515_aper_6 AB J0515 band APER_6 magnitude error mag phot.mag;em.opt.j0515;stat.error REAL    
e_j0515_auto AB J0515 band AUTO magnitude error mag phot.mag;em.opt.j0515;stat.error REAL    
e_j0515_iso AB J0515 band ISO magnitude error mag phot.mag;em.opt.j0515;stat.error REAL    
e_j0515_petro AB J0515 band PETRO magnitude error mag phot.mag;em.opt.j0515;stat.error REAL    
e_j0515_pstotal AB J0515 band PSTOTAL magnitude error mag phot.mag;em.opt.j0515;stat.error REAL    
j0660_aper_3 AB J0660 band APER_3 magnitude mag phot.mag;em.opt.j0660 REAL    
j0660_aper_6 AB J0660 band APER_6 magnitude mag phot.mag;em.opt.j0660 REAL    
j0660_auto AB J0660 band AUTO magnitude mag phot.mag;em.opt.j0660 REAL    
j0660_iso AB J0660 band ISO magnitude mag phot.mag;em.opt.j0660 REAL    
j0660_petro AB J0660 band PETRO magnitude mag phot.mag;em.opt.j0660 REAL    
j0660_pstotal AB J0660 band PSTOTAL magnitude mag phot.mag;em.opt.j0660 REAL    
e_j0660_aper_3 AB J0660 band APER_3 magnitude error mag phot.mag;em.opt.j0660;stat.error REAL    
e_j0660_aper_6 AB J0660 band APER_6 magnitude error mag phot.mag;em.opt.j0660;stat.error REAL    
e_j0660_auto AB J0660 band AUTO magnitude error mag phot.mag;em.opt.j0660;stat.error REAL    
e_j0660_iso AB J0660 band ISO magnitude error mag phot.mag;em.opt.j0660;stat.error REAL    
e_j0660_petro AB J0660 band PETRO magnitude error mag phot.mag;em.opt.j0660;stat.error REAL    
e_j0660_pstotal AB J0660 band PSTOTAL magnitude error mag phot.mag;em.opt.j0660;stat.error REAL    
j0861_aper_3 AB J0861 band APER_3 magnitude mag phot.mag;em.opt.j0861 REAL    
j0861_aper_6 AB J0861 band APER_6 magnitude mag phot.mag;em.opt.j0861 REAL    
j0861_auto AB J0861 band AUTO magnitude mag phot.mag;em.opt.j0861 REAL    
j0861_iso AB J0861 band ISO magnitude mag phot.mag;em.opt.j0861 REAL    
j0861_petro AB J0861 band PETRO magnitude mag phot.mag;em.opt.j0861 REAL    
j0861_pstotal AB J0861 band PSTOTAL magnitude mag phot.mag;em.opt.j0861 REAL    
e_j0861_aper_3 AB J0861 band APER_3 magnitude error mag phot.mag;em.opt.j0861;stat.error REAL    
e_j0861_aper_6 AB J0861 band APER_6 magnitude error mag phot.mag;em.opt.j0861;stat.error REAL    
e_j0861_auto AB J0861 band AUTO magnitude error mag phot.mag;em.opt.j0861;stat.error REAL    
e_j0861_iso AB J0861 band ISO magnitude error mag phot.mag;em.opt.j0861;stat.error REAL    
e_j0861_petro AB J0861 band PETRO magnitude error mag phot.mag;em.opt.j0861;stat.error REAL    
e_j0861_pstotal AB J0861 band PSTOTAL magnitude error mag phot.mag;em.opt.j0861;stat.error REAL    
u_aper_3 AB U band APER_3 magnitude mag phot.mag;em.opt.u REAL    
u_aper_6 AB U band APER_6 magnitude mag phot.mag;em.opt.u REAL    
u_auto AB U band AUTO magnitude mag phot.mag;em.opt.u REAL    
u_iso AB U band ISO magnitude mag phot.mag;em.opt.u REAL    
u_petro AB U band PETRO magnitude mag phot.mag;em.opt.u REAL    
u_pstotal AB U band PSTOTAL magnitude mag phot.mag;em.opt.u REAL    
e_u_aper_3 AB U band APER_3 magnitude error mag phot.mag;em.opt.u;stat.error REAL    
e_u_aper_6 AB U band APER_6 magnitude error mag phot.mag;em.opt.u;stat.error REAL    
e_u_auto AB U band AUTO magnitude error mag phot.mag;em.opt.u;stat.error REAL    
e_u_iso AB U band ISO magnitude error mag phot.mag;em.opt.u;stat.error REAL    
e_u_petro AB U band PETRO magnitude error mag phot.mag;em.opt.u;stat.error REAL    
e_u_pstotal AB U band PSTOTAL magnitude error mag phot.mag;em.opt.u;stat.error REAL    
g_aper_3 AB G band APER_3 magnitude mag phot.mag;em.opt.g REAL    
g_aper_6 AB G band APER_6 magnitude mag phot.mag;em.opt.g REAL    
g_auto AB G band AUTO magnitude mag phot.mag;em.opt.g REAL    
g_iso AB G band ISO magnitude mag phot.mag;em.opt.g REAL    
g_petro AB G band PETRO magnitude mag phot.mag;em.opt.g REAL    
g_pstotal AB G band PSTOTAL magnitude mag phot.mag;em.opt.g REAL    
e_g_aper_3 AB G band APER_3 magnitude error mag phot.mag;em.opt.g;stat.error REAL    
e_g_aper_6 AB G band APER_6 magnitude error mag phot.mag;em.opt.g;stat.error REAL    
e_g_auto AB G band AUTO magnitude error mag phot.mag;em.opt.g;stat.error REAL    
e_g_iso AB G band ISO magnitude error mag phot.mag;em.opt.g;stat.error REAL    
e_g_petro AB G band PETRO magnitude error mag phot.mag;em.opt.g;stat.error REAL    
e_g_pstotal AB G band PSTOTAL magnitude error mag phot.mag;em.opt.g;stat.error REAL    
r_aper_3 AB R band APER_3 magnitude mag phot.mag;em.opt.r REAL    
r_aper_6 AB R band APER_6 magnitude mag phot.mag;em.opt.r REAL    
r_auto AB R band AUTO magnitude mag phot.mag;em.opt.r REAL    
r_iso AB R band ISO magnitude mag phot.mag;em.opt.r REAL    
r_petro AB R band PETRO magnitude mag phot.mag;em.opt.r REAL    
r_pstotal AB R band PSTOTAL magnitude mag phot.mag;em.opt.r REAL    
e_r_aper_3 AB R band APER_3 magnitude error mag phot.mag;em.opt.r;stat.error REAL    
e_r_aper_6 AB R band APER_6 magnitude error mag phot.mag;em.opt.r;stat.error REAL    
e_r_auto AB R band AUTO magnitude error mag phot.mag;em.opt.r;stat.error REAL    
e_r_iso AB R band ISO magnitude error mag phot.mag;em.opt.r;stat.error REAL    
e_r_petro AB R band PETRO magnitude error mag phot.mag;em.opt.r;stat.error REAL    
e_r_pstotal AB R band PSTOTAL magnitude error mag phot.mag;em.opt.r;stat.error REAL    
i_aper_3 AB I band APER_3 magnitude mag phot.mag;em.opt.i REAL    
i_aper_6 AB I band APER_6 magnitude mag phot.mag;em.opt.i REAL    
i_auto AB I band AUTO magnitude mag phot.mag;em.opt.i REAL    
i_iso AB I band ISO magnitude mag phot.mag;em.opt.i REAL    
i_petro AB I band PETRO magnitude mag phot.mag;em.opt.i REAL    
i_pstotal AB I band PSTOTAL magnitude mag phot.mag;em.opt.i REAL    
e_i_aper_3 AB I band APER_3 magnitude error mag phot.mag;em.opt.i;stat.error REAL    
e_i_aper_6 AB I band APER_6 magnitude error mag phot.mag;em.opt.i;stat.error REAL    
e_i_auto AB I band AUTO magnitude error mag phot.mag;em.opt.i;stat.error REAL    
e_i_iso AB I band ISO magnitude error mag phot.mag;em.opt.i;stat.error REAL    
e_i_petro AB I band PETRO magnitude error mag phot.mag;em.opt.i;stat.error REAL    
e_i_pstotal AB I band PSTOTAL magnitude error mag phot.mag;em.opt.i;stat.error REAL    
z_aper_3 AB Z band APER_3 magnitude mag phot.mag;em.opt.z REAL    
z_aper_6 AB Z band APER_6 magnitude mag phot.mag;em.opt.z REAL    
z_auto AB Z band AUTO magnitude mag phot.mag;em.opt.z REAL    
z_iso AB Z band ISO magnitude mag phot.mag;em.opt.z REAL    
z_petro AB Z band PETRO magnitude mag phot.mag;em.opt.z REAL    
z_pstotal AB Z band PSTOTAL magnitude mag phot.mag;em.opt.z REAL    
e_z_aper_3 AB Z band APER_3 magnitude error mag phot.mag;em.opt.z;stat.error REAL    
e_z_aper_6 AB Z band APER_6 magnitude error mag phot.mag;em.opt.z;stat.error REAL    
e_z_auto AB Z band AUTO magnitude error mag phot.mag;em.opt.z;stat.error REAL    
e_z_iso AB Z band ISO magnitude error mag phot.mag;em.opt.z;stat.error REAL    
e_z_petro AB Z band PETRO magnitude error mag phot.mag;em.opt.z;stat.error REAL    
e_z_pstotal AB Z band PSTOTAL magnitude error mag phot.mag;em.opt.z;stat.error REAL    
class_star_j0378 Star/Galaxy classifier output for J0378 band image NULL meta.code REAL    
class_star_j0395 Star/Galaxy classifier output for J0395 band image NULL meta.code REAL    
class_star_j0410 Star/Galaxy classifier output for J0410 band image NULL meta.code REAL    
class_star_j0430 Star/Galaxy classifier output for J0430 band image NULL meta.code REAL    
class_star_j0515 Star/Galaxy classifier output for J0515 band image NULL meta.code REAL    
class_star_j0660 Star/Galaxy classifier output for J0660 band image NULL meta.code REAL    
class_star_j0861 Star/Galaxy classifier output for J0861 band image NULL meta.code REAL    
class_star_u Star/Galaxy classifier output for U band image NULL meta.code REAL    
class_star_g Star/Galaxy classifier output for G band image NULL meta.code REAL    
class_star_r Star/Galaxy classifier output for R band image NULL meta.code REAL    
class_star_i Star/Galaxy classifier output for I band image NULL meta.code REAL    
class_star_z Star/Galaxy classifier output for Z band image NULL meta.code REAL    
photoflag_j0378 Sources PhotoFlag in the J0378 band image NULL meta.code.qual BIGINT    
photoflag_j0395 Sources PhotoFlag in the J0395 band image NULL meta.code.qual BIGINT    
photoflag_j0410 Sources PhotoFlag in the J0410 band image NULL meta.code.qual BIGINT    
photoflag_j0430 Sources PhotoFlag in the J0430 band image NULL meta.code.qual BIGINT    
photoflag_j0515 Sources PhotoFlag in the J0515 band image NULL meta.code.qual BIGINT    
photoflag_j0660 Sources PhotoFlag in the J0660 band image NULL meta.code.qual BIGINT    
photoflag_j0861 Sources PhotoFlag in the J0861 band image NULL meta.code.qual BIGINT    
photoflag_u Sources PhotoFlag in the U band image NULL meta.code.qual BIGINT    
photoflag_g Sources PhotoFlag in the G band image NULL meta.code.qual BIGINT    
photoflag_r Sources PhotoFlag in the R band image NULL meta.code.qual BIGINT    
photoflag_i Sources PhotoFlag in the I band image NULL meta.code.qual BIGINT    
photoflag_z Sources PhotoFlag in the Z band image NULL meta.code.qual BIGINT    
s2n_j0378_aper_3 J0378 band APER_3 magnitude s2n NULL stat.snr REAL    
s2n_j0378_aper_6 J0378 band APER_6 magnitude s2n NULL stat.snr REAL    
s2n_j0378_auto J0378 band AUTO magnitude s2n NULL stat.snr REAL    
s2n_j0378_iso J0378 band ISO magnitude s2n NULL stat.snr REAL    
s2n_j0378_petro J0378 band PETRO magnitude s2n NULL stat.snr REAL    
s2n_j0378_pstotal J0378 band PSTOTAL magnitude s2n NULL stat.snr REAL    
s2n_j0395_aper_3 J0395 band APER_3 magnitude s2n NULL stat.snr REAL    
s2n_j0395_aper_6 J0395 band APER_6 magnitude s2n NULL stat.snr REAL    
s2n_j0395_auto J0395 band AUTO magnitude s2n NULL stat.snr REAL    
s2n_j0395_iso J0395 band ISO magnitude s2n NULL stat.snr REAL    
s2n_j0395_petro J0395 band PETRO magnitude s2n NULL stat.snr REAL    
s2n_j0395_pstotal J0395 band PSTOTAL magnitude s2n NULL stat.snr REAL    
s2n_j0410_aper_3 J0410 band APER_3 magnitude s2n NULL stat.snr REAL    
s2n_j0410_aper_6 J0410 band APER_6 magnitude s2n NULL stat.snr REAL    
s2n_j0410_auto J0410 band AUTO magnitude s2n NULL stat.snr REAL    
s2n_j0410_iso J0410 band ISO magnitude s2n NULL stat.snr REAL    
s2n_j0410_petro J0410 band PETRO magnitude s2n NULL stat.snr REAL    
s2n_j0410_pstotal J0410 band PSTOTAL magnitude s2n NULL stat.snr REAL    
s2n_j0430_aper_3 J0430 band APER_3 magnitude s2n NULL stat.snr REAL    
s2n_j0430_aper_6 J0430 band APER_6 magnitude s2n NULL stat.snr REAL    
s2n_j0430_auto J0430 band AUTO magnitude s2n NULL stat.snr REAL    
s2n_j0430_iso J0430 band ISO magnitude s2n NULL stat.snr REAL    
s2n_j0430_petro J0430 band PETRO magnitude s2n NULL stat.snr REAL    
s2n_j0430_pstotal J0430 band PSTOTAL magnitude s2n NULL stat.snr REAL    
s2n_j0515_aper_3 J0515 band APER_3 magnitude s2n NULL stat.snr REAL    
s2n_j0515_aper_6 J0515 band APER_6 magnitude s2n NULL stat.snr REAL    
s2n_j0515_auto J0515 band AUTO magnitude s2n NULL stat.snr REAL    
s2n_j0515_iso J0515 band ISO magnitude s2n NULL stat.snr REAL    
s2n_j0515_petro J0515 band PETRO magnitude s2n NULL stat.snr REAL    
s2n_j0515_pstotal J0515 band PSTOTAL magnitude s2n NULL stat.snr REAL    
s2n_j0660_aper_3 J0660 band APER_3 magnitude s2n NULL stat.snr REAL    
s2n_j0660_aper_6 J0660 band APER_6 magnitude s2n NULL stat.snr REAL    
s2n_j0660_auto J0660 band AUTO magnitude s2n NULL stat.snr REAL    
s2n_j0660_iso J0660 band ISO magnitude s2n NULL stat.snr REAL    
s2n_j0660_petro J0660 band PETRO magnitude s2n NULL stat.snr REAL    
s2n_j0660_pstotal J0660 band PSTOTAL magnitude s2n NULL stat.snr REAL    
s2n_j0861_aper_3 J0861 band APER_3 magnitude s2n NULL stat.snr REAL    
s2n_j0861_aper_6 J0861 band APER_6 magnitude s2n NULL stat.snr REAL    
s2n_j0861_auto J0861 band AUTO magnitude s2n NULL stat.snr REAL    
s2n_j0861_iso J0861 band ISO magnitude s2n NULL stat.snr REAL    
s2n_j0861_petro J0861 band PETRO magnitude s2n NULL stat.snr REAL    
s2n_j0861_pstotal J0861 band PSTOTAL magnitude s2n NULL stat.snr REAL    
s2n_u_aper_3 U band APER_3 magnitude s2n NULL stat.snr REAL    
s2n_u_aper_6 U band APER_6 magnitude s2n NULL stat.snr REAL    
s2n_u_auto U band AUTO magnitude s2n NULL stat.snr REAL    
s2n_u_iso U band ISO magnitude s2n NULL stat.snr REAL    
s2n_u_petro U band PETRO magnitude s2n NULL stat.snr REAL    
s2n_u_pstotal U band PSTOTAL magnitude s2n NULL stat.snr REAL    
s2n_g_aper_3 G band APER_3 magnitude s2n NULL stat.snr REAL    
s2n_g_aper_6 G band APER_6 magnitude s2n NULL stat.snr REAL    
s2n_g_auto G band AUTO magnitude s2n NULL stat.snr REAL    
s2n_g_iso G band ISO magnitude s2n NULL stat.snr REAL    
s2n_g_petro G band PETRO magnitude s2n NULL stat.snr REAL    
s2n_g_pstotal G band PSTOTAL magnitude s2n NULL stat.snr REAL    
s2n_r_aper_3 R band APER_3 magnitude s2n NULL stat.snr REAL    
s2n_r_aper_6 R band APER_6 magnitude s2n NULL stat.snr REAL    
s2n_r_auto R band AUTO magnitude s2n NULL stat.snr REAL    
s2n_r_iso R band ISO magnitude s2n NULL stat.snr REAL    
s2n_r_petro R band PETRO magnitude s2n NULL stat.snr REAL    
s2n_r_pstotal R band PSTOTAL magnitude s2n NULL stat.snr REAL    
s2n_i_aper_3 I band APER_3 magnitude s2n NULL stat.snr REAL    
s2n_i_aper_6 I band APER_6 magnitude s2n NULL stat.snr REAL    
s2n_i_auto I band AUTO magnitude s2n NULL stat.snr REAL    
s2n_i_iso I band ISO magnitude s2n NULL stat.snr REAL    
s2n_i_petro I band PETRO magnitude s2n NULL stat.snr REAL    
s2n_i_pstotal I band PSTOTAL magnitude s2n NULL stat.snr REAL    
s2n_z_aper_3 Z band APER_3 magnitude s2n NULL stat.snr REAL    
s2n_z_aper_6 Z band APER_6 magnitude s2n NULL stat.snr REAL    
s2n_z_auto Z band AUTO magnitude s2n NULL stat.snr REAL    
s2n_z_iso Z band ISO magnitude s2n NULL stat.snr REAL    
s2n_z_petro Z band PETRO magnitude s2n NULL stat.snr REAL    
s2n_z_pstotal Z band PSTOTAL magnitude s2n NULL stat.snr REAL    
fwhm_n Normalized field FWHM pixel phys.angSize;src REAL    
fwhm_j0378 FWHM at j0378 filter pixel phys.angSize;src REAL    
fwhm_j0395 FWHM at j0395 filter pixel phys.angSize;src REAL    
fwhm_j0410 FWHM at j0410 filter pixel phys.angSize;src REAL    
fwhm_j0430 FWHM at j0430 filter pixel phys.angSize;src REAL    
fwhm_j0515 FWHM at j0515 filter pixel phys.angSize;src REAL    
fwhm_j0660 FWHM at j0660 filter pixel phys.angSize;src REAL    
fwhm_j0861 FWHM at j0861 filter pixel phys.angSize;src REAL    
fwhm_u FWHM at u filter pixel phys.angSize;src REAL    
fwhm_g FWHM at g filter pixel phys.angSize;src REAL    
fwhm_r FWHM at r filter pixel phys.angSize;src REAL    
fwhm_i FWHM at i filter pixel phys.angSize;src REAL    
fwhm_z FWHM at z filter pixel phys.angSize;src REAL    
fwhm FWHM assuming a gaussian core [pixel] pixel phys.angSize;src REAL    
flux_radius Array in text format: Radius containing 0.2/0.5/0.7/0.9 fraction of the light [pixel] pixel phys.angSize VARCHAR    
a Isophotal image major axis [pixel] pixel phys.angSize.smajAxis REAL    
b Isophotal image minor axis [pixel] pixel phys.angSize.sminAxis REAL    
theta Isophotal image position angle [deg] deg pos.posAng REAL    
ellipticity 1 - B/A NULL src.ellipticity REAL    
elongation A/B NULL pos.angDistance REAL    
isoarea Isophotal area above 3 sigma threshold [pixel2] pixel^2 phys.angArea INTEGER    
kron_radius Kron apertures in units of A or B NULL phys.angSize REAL    
mu_max Peak surface brightness above background [mag arcsec(-2)] mag/arcsec^2 phot.mag.sb REAL    
x Reduced Image CCD position [pixel] pixel pos.cartesian.x REAL    
y Reduced Image CCD position [pixel] pixel pos.cartesian.y REAL    
ndet_aper_3 Number of filters with detection in the APER_3 aperture NULL meta.number REAL    
ndet_aper_6 Number of filters with detection in the APER_6 aperture NULL meta.number REAL    
ndet_auto Number of filters with detection in the AUTO aperture NULL meta.number REAL    
ndet_iso Number of filters with detection in the ISO aperture NULL meta.number REAL    
ndet_petro Number of filters with detection in the PSTOTAL aperture NULL meta.number REAL    
ndet_pstotal Number of filters with detection in the PETRO aperture NULL meta.number REAL    
photoflagdet Sources PhotoFlag in the detection image NULL meta.code.qual BIGINT    
s2n_det_aper_3 Sources s2n for the APER_3 aperture in the detection image NULL stat.snr REAL    
s2n_det_aper_6 Sources s2n for the APER_6 aperture in the detection image NULL stat.snr REAL    
s2n_det_auto Sources s2n for the AUTO aperture in the detection image NULL stat.snr REAL    
s2n_det_iso Sources s2n for the ISO aperture in the detection image NULL stat.snr REAL    
s2n_det_petro Sources s2n for the PETRO aperture in the detection image NULL stat.snr REAL    

ext.twomass_psc

Two Micron All Sky Survey (2MASS) Point Source Catalogue (PSC)
(470,992,970 rows, 60 columns)

ColumnDescriptionUnitUCD1+DatatypePrincipal?Indexed?
raj2000 Right ascension (J2000) deg pos.eq.ra;meta.main double(1)
dej2000 Declination (J2000) deg pos.eq.dec;meta.main double(1)
err_maj Semi-major axis of position error ellipse arcsec phys.angSize.smajAxis;pos.errorEllipse double(1)    
err_min Semi-minor axis of position error ellipse arcsec phys.angSize.sminAxis;pos.errorEllipse double(1)    
err_ang Position angle of error ellipse major axis (E of N) deg pos.posAng;pos.errorEllipse int(1)    
designation Source designation (2MASS Jhhmmssss+ddmmsss) -- meta.id;meta.main char(17)  
j_m J-band magnitude mag phot.mag;em.IR.J double(1)  
j_cmsig J-band default magnitude uncertainty mag stat.error;phot.mag;em.IR.J double(1)    
j_msigcom J-band total magntiude uncertainty mag stat.error;phot.mag;em.IR.J double(1)    
j_snr J-band signal-to-noise ratio -- stat.snr double(1)    
h_m H-band magnitude mag phot.mag;em.IR.H double(1)  
h_cmsig H-band default magnitude uncertainty mag stat.error;phot.mag;em.IR.H double(1)    
h_msigcom H-band total magntiude uncertainty mag stat.error;phot.mag;em.IR.H double(1)    
h_snr H-band signal-to-noise ratio -- stat.snr double(1)    
k_m Ks-band magnitude mag phot.mag;em.IR.K double(1)  
k_cmsig Ks-band default magnitude uncertainty mag stat.error;phot.mag;em.IR.K double(1)    
k_msigcom Ks-band total magntiude uncertainty mag stat.error;phot.mag;em.IR.K double(1)    
k_snr Ks-band signal-to-noise ratio -- stat.snr double(1)    
ph_qual JHK Photometric quality flag -- meta.code.qual;phot char(3)  
rd_flg Source of JHK default mag -- meta.ref char(3)    
bl_flg JHK components fit to source -- meta.code char(3)    
cc_flg Artifact contamination, confusion -- meta.code char(3)  
ndet Number of aperture measurements (jjhhkk) -- meta.number char(6)    
prox Distance between source and nearest neighbour arcsec pos.angDistance double(1)    
pxpa Position angle of vector from source to nearest neighbour (E of N) deg pos.posAng int(1)    
pxcntr Sequence number of nearest neighbour -- meta.id int(1)    
gal_contam Extended source contamination -- meta.code int(1)    
mp_flg Association with asteroid or comet -- meta.code int(1)    
pts_key Unique source identifier in catalogue -- meta.id;meta.table int(1)  
hemis Hemisphere of observation -- meta.id;instr.obsty char(1)    
date Observation date -- time.epoch;obs char(10)    
scan Scan number (within date) -- obs.field int(1)    
glon Galactic longitude deg pos.galactic.lon double(1)    
glat Galactic latitude deg pos.galactic.lat double(1)    
x_scan Distance of source from focal plane centerline arcsec pos.cartesian.x;instr.det double(1)    
jdate Julian date of source measurement d time.epoch;obs double(1)  
j_psfchi J-band reduced chi2 value of fit -- stat.fit.chi2 double(1)    
h_psfchi H-band reduced chi2 value of fit -- stat.fit.chi2 double(1)    
k_psfchi Ks-band reduced chi2 value of fit -- stat.fit.chi2 double(1)    
j_m_stdap J-band standard aperture magnitude mag phot.mag;em.IR.J double(1)    
j_msig_stdap Error on aperture magnitude mag stat.error;phot.mag;em.IR.J double(1)    
h_m_stdap H-band standard aperture magnitude mag phot.mag;em.IR.H double(1)    
h_msig_stdap Error on aperture magnitude mag stat.error;phot.mag;em.IR.H double(1)    
k_m_stdap Ks-band standard aperture magnitude mag phot.mag;em.IR.K double(1)    
k_msig_stdap Error on aperture magnitude mag stat.error;phot.mag;em.IR.K double(1)    
dist_edge_ns Distance from the source to the nearest North or South scan edge arcsec pos.angDistance int(1)    
dist_edge_ew Distance from the source to the nearest East or West scan edge arcsec pos.angDistance int(1)    
dist_edge_flg Flag indicating to which edges the edgeNS and edgeEW values refer -- meta.code char(2)    
dup_src Flag indicating duplicate source -- meta.code int(1)    
use_src Use source flag -- meta.code int(1)    
a Associated optical source -- meta.id.cross char(1)    
dist_opt Distance to associated optical source arcsec pos.angDistance double(1)    
phi_opt Position angle from optical source to the 2MASS source position deg pos.posAng int(1)    
b_m_opt Blue magnitude of associated optical source -- phot.mag;em.opt.B double(1)    
vr_m_opt Visual or red mag of associated optical source mag phot.mag;em.opt.R double(1)    
nopt_mchs Number of optical sources within 5arcsec mag meta.number int(1)    
ext_key Record Identifier in XSC -- meta.id.cross int(1)  
scan_key Record Identifier in the Scan Information Table -- meta.id.cross int(1)  
coadd_key Record Identifier in the Atlas Image Data Table -- meta.id.cross int(1)    
coadd Sequence number of the Atlas Image -- meta.id int(1)    

ext.twomass_scn

Two Micron All Sky Survey (2MASS) Scan Table
(59,731 rows, 64 columns)

ColumnDescriptionUnitUCD1+DatatypePrincipal?Indexed?
scan_key Unique identification number for this scan -- meta.id;meta.main int(1)
hemis Observatory from which data were obtained: n = north = Mt. Hopkins, s = south = Cerro Tololo. -- meta.id;instr.obsty char(1)    
date The observation reference date for this scan expressed in ISO standard format. (YYYY-MM-DD) -- time.epoch;obs char(10)    
scan Scan number (unique within date). -- meta.id int(1)    
tile Tile identification number. -- meta.id int(1)    
raj2000 Right ascension of scan center for equinox J2000. deg pos.eq.ra;meta.main double(1)
dej2000 Declination of scan center for equinox J2000. deg pos.eq.dec;meta.main double(1)
glon Galactic longitude of scan center, as computed from ra and dec. deg pos.galactic.lon double(1)    
glat Galactic latitude of scan center, as computed from ra and dec. deg pos.galactic.lat double(1)    
ra_1 J2000 right ascension of the eastern corner at start of scan. deg pos.eq.ra double(1)    
dec_1 J2000 declination of the eastern corner at start of scan. deg pos.eq.dec double(1)    
ra_2 J2000 right ascension of the western corner at start of scan. deg pos.eq.ra double(1)    
dec_2 J2000 declination of the western corner at start of scan. deg pos.eq.dec double(1)    
ra_3 J2000 right ascension of the eastern corner at end of scan. deg pos.eq.ra double(1)    
dec_3 J2000 declination of the eastern corner at end of scan. deg pos.eq.dec double(1)    
ra_4 J2000 right ascension of the western corner at end of scan. deg pos.eq.ra double(1)    
dec_4 J2000 declination of the western corner at end of scan. deg pos.eq.dec double(1)    
sd Scanning direction: n = north-going, s = south-going. -- pos.posAng char(1)    
qual Quality score for scan. -- meta.code.qual int(1)  
hgl Special flag indicating whether or not this scan has a single-frame H-band electronic glitch. -- meta.code int(1)    
cld Special flag indicating whether or not a cloud was found in the scan after comparison of its photometry to that of overlapping scans in the database. -- meta.code int(1)    
xph Special flag indicating whether or not another photometric problem, not obviously cloud related, was found in the scan after comparing its photometry to that of overlapping scans. -- meta.code int(1)    
anom Special flag indicating whether or not an unusual problem was found in the Atlas Images for this scan. -- meta.code.qual int(1)    
ut Universal Time (UT) at beginning of scan. h time.epoch double(1)    
jdate Julian Date at beginning of scan. d time.epoch double(1)  
airm Airmass at beginning of scan. -- obs.airmass double(1)    
zd Scan's distance from the zenith at beginning of scan. deg pos.az.zd double(1)    
ha Hour angle at beginning of scan. h pos.eq.ha double(1)    
rh Relative humidity of telescope enclosure at beginning of scan. -- obs.atmos int(1)    
air_temp Air temperature at beginning of scan. degC phys.temperature; obs.atmos double(1)    
tel_temp Telescope girdle temperature at beginning of scan. degC phys.temperature; instr.tel double(1)    
focus Focus setting of telescope at beginning of scan. -- instr.tel.focalLength int(1)    
hry Flag indicating the H-band array configuration for the camera. -- meta.code int(1)    
c_strat Flag indicating the calibration strategy for this night's data. -- meta.code int(1)    
j_zp_ap Photometric zero-point for J-band aperture photometry. mag arith.zp;em.IR.J double(1)    
h_zp_ap Photometric zero-point for H-band aperture photometry. mag arith.zp;em.IR.H double(1)    
k_zp_ap Photometric zero-point for Ks-band aperture photometry. mag arith.zp;em.IR.K double(1)    
h_zperr_ap RMS-error of zero-point for H-band aperture photometry mag stat.error;arith.zp;em.IR.H double(1)    
k_zperr_ap RMS-error of zero-point for Ks-band aperture photometry mag stat.error;arith.zp;em.IR.K double(1)    
j_n_snr10 Number of point sources at J-band with SNR>10 (instrumental mag <=15.8) -- meta.number int(1)    
h_n_snr10 Number of point sources at H-band with SNR>10 (instrumental mag <=15.1) -- meta.number int(1)    
k_n_snr10 Number of point sources at Ks-band with SNR>10 (instrumental mag <=14.3) -- meta.number int(1)    
n_ext Number of regular extended sources detected in scan. -- meta.number int(1)    
j_shape_avg J-band average seeing shape for scan. -- instr.obsty.seeing double(1)    
h_shape_avg H-band average seeing shape for scan. -- instr.obsty.seeing double(1)    
k_shape_avg Ks-band average seeing shape for scan. -- instr.obsty.seeing double(1)    
j_shape_rms RMS-error of J-band average seeing shape. -- stat.error;instr.obsty.seeing double(1)    
h_shape_rms RMS-error of H-band average seeing shape. -- stat.error;instr.obsty.seeing double(1)    
k_shape_rms RMS-error of Ks-band average seeing shape. -- stat.error;instr.obsty.seeing double(1)    
j_2mrat J-band average 2nd image moment ratio. -- stat.fit.param double(1)    
h_2mrat H-band average 2nd image moment ratio. -- stat.fit.param double(1)    
k_2mrat Ks-band average 2nd image moment ratio. -- stat.fit.param double(1)    
j_psp J-band photometric sensitivity paramater (PSP). -- instr.sensitivity;em.IR.J double(1)    
h_psp H-band photometric sensitivity paramater (PSP). -- instr.sensitivity;em.IR.H double(1)    
k_psp Ks-band photometric sensitivity paramater (PSP). -- instr.sensitivity;em.IR.K double(1)    
j_pts_noise Base-10 logarithm of the mode of the noise distribution for all point source detections in the scan, where the noise is estimated from the measured J-band photometric errors and is expressed in units of mJy. -- instr.det.noise;em.IR.J double(1)    
h_pts_noise Base-10 logarithm of the mode of the noise distribution for all point source detections in the scan, where the noise is estimated from the measured H-band photometric errors and is expressed in units of mJy. -- instr.det.noise;em.IR.H double(1)    
k_pts_noise Base-10 logarithm of the mode of the noise distribution for all point source detections in the scan, where the noise is estimated from the measured Ks-band photometric errors and is expressed in units of mJy. -- instr.det.noise;em.IR.K double(1)    
j_msnr10 The estimated J-band magnitude at which SNR=10 is achieved for this scan. mag phot.mag;em.IR.J double(1)  
h_msnr10 The estimated H-band magnitude at which SNR=10 is achieved for this scan. mag phot.mag;em.IR.H double(1)  
k_msnr10 The estimated Ks-band magnitude at which SNR=10 is achieved for this scan. mag phot.mag;em.IR.K double(1)  
rel0 Flag indicating whether the scan is contained in the TWOMASS Sampler Release. -- meta.code int(1)    
rel1 Flag indicating whether the scan is contained in the TWOMASS First Incremental Data Release (IDR1). -- meta.code int(1)    
rel2 Flag indicating whether the scan is contained in the TWOMASS Second Incremental Data Release (IDR2). -- meta.code int(1)    

ext.twomass_xsc

Two Micron All Sky Survey (2MASS) Extended Source Catalogue (XSC)
(1,647,599 rows, 389 columns)

ColumnDescriptionUnitUCD1+DatatypePrincipal?Indexed?
jdate Julian date of source measurement to +/- 30 sec d time.epoch;obs double(1)  
designation Source designation formed from sexigesimal coordinates -- meta.id;meta.main char(17)  
raj2000 Right ascension (J2000 decimal deg) based on peak pixel deg pos.eq.ra;meta.main double(1)
dej2000 Declination (J2000 decimal deg) based on peak pixel deg pos.eq.dec;meta.main double(1)
sup_ra Super-coadd centroid RA (J2000 decimal deg) deg pos.eq.ra double(1)    
sup_dec Super-coadd centroid Dec (J2000 decimal deg) deg pos.eq.dec double(1)    
glon Galactic longitude (decimal deg) based on peak pixel deg pos.galactic.lon double(1)    
glat Galactic latitude (decimal deg) based on peak pixel deg pos.galactic.lat double(1)    
density Coadd log(density) of stars with k less than 14 mag -- src.density double(1)    
r_k20fe 20 mag/arcsec2 isophotal K fiducial ell. ap. semi-major axis arcsec phys.angSize.smajAxis double(1)    
j_m_k20fe J 20mag/sq.arcsec isophotal fiducial ell. ap. magnitude mag phot.mag;em.IR.J double(1)    
j_msig_k20fe J 1-sigma uncertainty in 20mag/sq.arcsec iso.fid.ell.mag mag stat.error;phot.mag;em.IR.J double(1)    
j_flg_k20fe J confusion flag for 20mag/sq.arcsec iso. fid. ell. mag -- meta.code.qual int(1)    
h_m_k20fe H 20mag/sq.arcsec isophotal fiducial ell. ap. magnitude mag phot.mag;em.IR.H double(1)    
h_msig_k20fe H 1-sigma uncertainty in 20mag/sq.arcsec iso.fid.ell.mag mag stat.error;phot.mag;em.IR.H double(1)    
h_flg_k20fe H confusion flag for 20mag/sq.arcsec iso. fid. ell. mag -- meta.code.qual int(1)    
k_m_k20fe K 20mag/sq.arcsec isophotal fiducial ell. ap. magnitude mag phot.mag;em.IR.K double(1)    
k_msig_k20fe K 1-sigma uncertainty in 20mag/sq.arcsec iso.fid.ell.mag mag stat.error;phot.mag;em.IR.K double(1)    
k_flg_k20fe K confusion flag for 20mag/sq.arcsec iso. fid. ell. mag -- meta.code.qual int(1)    
r_3sig 3-sigma K isophotal semi-major axis arcsec phys.angSize.smajAxis;em.IR.K double(1)    
j_ba J minor/major axis ratio fit to the 3-sigma isophote -- phys.size.axisRatio double(1)    
j_phi J angle to 3-sigma major axis (E of N) deg pos.posAng int(1)    
h_ba H minor/major axis ratio fit to the 3-sigma isophote -- phys.size.axisRatio double(1)    
h_phi H angle to 3-sigma major axis (E of N) deg pos.posAng int(1)    
k_ba K minor/major axis ratio fit to the 3-sigma isophote -- phys.size.axisRatio double(1)    
k_phi K angle to 3-sigma major axis (E of N) deg pos.posAng int(1)    
sup_r_3sig Super-coadd 3-sigma isophotal semi-major axis radius arcsec phys.angSize.smajAxis double(1)    
sup_ba Minor/major axis ratio fit to 3-sig. super-coadd isophote -- phys.size.axisRatio double(1)    
sup_phi Super-coadd angle to major axis (E of N) deg pos.posAng int(1)    
r_fe K fiducial Kron elliptical aperture semi-major axis arcsec phys.angSize.smajAxis double(1)    
j_m_fe J fiducial Kron elliptical aperture magnitude mag phot.mag;em.IR.J double(1)    
j_msig_fe J 1-sigma uncertainty in fiducial Kron ell. mag mag stat.error;phot.mag;em.IR.J double(1)    
j_flg_fe J confusion flag for fiducial Kron ell. mag -- meta.code.qual int(1)    
h_m_fe H fiducial Kron elliptical aperture magnitude mag phot.mag;em.IR.H double(1)    
h_msig_fe H 1-sigma uncertainty in fiducial Kron ell. mag mag stat.error;phot.mag;em.IR.H double(1)    
h_flg_fe H confusion flag for fiducial Kron ell. mag -- meta.code.qual int(1)    
k_m_fe K fiducial Kron elliptical aperture magnitude mag phot.mag;em.IR.K double(1)    
k_msig_fe K 1-sigma uncertainty in fiducial Kron ell. mag mag stat.error;phot.mag;em.IR.K double(1)    
k_flg_fe K confusion flag for fiducial Kron ell. mag -- meta.code.qual int(1)    
r_ext Extrapolation/total radius arcsec phys.angSize double(1)    
j_m_ext J mag from fit extrapolation mag phot.mag;em.IR.J double(1)    
j_msig_ext J 1-sigma uncertainty in mag from fit extrapolation mag stat.error;phot.mag;em.IR.J double(1)    
j_pchi J chi^2 of fit to radial profile (LCSB: alpha scale length) -- stat.fit.chi2;stat.value double(1)    
h_m_ext H mag from fit extrapolation mag phot.mag;em.IR.H double(1)    
h_msig_ext H 1-sigma uncertainty in mag from fit extrapolation mag stat.error;phot.mag;em.IR.H double(1)    
h_pchi H chi^2 of fit to radial profile (LCSB: alpha scale length) -- stat.fit.chi2;stat.value double(1)    
k_m_ext K mag from fit extrapolation mag phot.mag;em.IR.K double(1)    
k_msig_ext K 1-sigma uncertainty in mag from fit extrapolation mag stat.error;phot.mag;em.IR.K double(1)    
k_pchi K chi^2 of fit to radial profile (LCSB: alpha scale length) -- stat.fit.chi2;stat.value double(1)    
j_r_eff J half-light (integrated half-flux point) radius arcsec phys.angSize;src double(1)  
j_mnsurfb_eff J mean surface brightness at the half-light radius mag phot.mag.sb;em.IR.J;stat.mean double(1)    
h_r_eff H half-light (integrated half-flux point) radius arcsec phys.angSize;src double(1)  
h_mnsurfb_eff H mean surface brightness at the half-light radius mag phot.mag.sb;em.IR.H;stat.mean double(1)    
k_r_eff K half-light (integrated half-flux point) radius arcsec phys.angSize;src double(1)  
k_mnsurfb_eff K mean surface brightness at the half-light radius mag phot.mag.sb;em.IR.K;stat.mean double(1)    
j_con_indx J concentration index r_75%/r_25% -- stat.value double(1)    
h_con_indx H concentration index r_75%/r_25% -- stat.value double(1)    
k_con_indx K concentration index r_75%/r_25% -- stat.value double(1)    
j_peak J peak pixel brightness mag phot.mag.sb;em.IR.J double(1)    
h_peak H peak pixel brightness mag phot.mag.sb;em.IR.H double(1)    
k_peak K peak pixel brightness mag phot.mag.sb;em.IR.K double(1)    
j_5surf J central surface brightness (r <= 5) mag phot.mag.sb;em.IR.J double(1)  
h_5surf H central surface brightness (r <= 5) mag phot.mag.sb;em.IR.H double(1)  
k_5surf K central surface brightness (r <= 5) mag phot.mag.sb;em.IR.K double(1)  
e_score Extended score: 1(extended) < e_score < 2(point-like) -- src.class.starGalaxy double(1)  
g_score Galaxy score: 1(extended) < g_score < 2(point-like) -- src.class.starGalaxy double(1)  
vc Visual verification score for source -- meta.code int(1)    
cc_flg Artifact contamination and/or confusion -- meta.code char(1)  
im_nx Size of postage stamp image in pixels -- pos.wcs.naxis int(1)    
r_k20fc 20mag/sq.arcsec isophotal K fiducial circular ap. radius arcsec phys.angSize;src double(1)    
j_m_k20fc J 20mag/sq.arcsec isophotal fiducial circ. ap. mag mag phot.mag;em.IR.J double(1)    
j_msig_k20fc J 1-sigma uncertainty in 20mag/sq.arcsec iso.fid.circ. mag mag stat.error;phot.mag;em.IR.J double(1)    
j_flg_k20fc J confusion flag for 20mag/sq.arcsec iso. fid. circ. mag -- meta.code int(1)    
h_m_k20fc H 20mag/sq.arcsec isophotal fiducial circ. ap. mag mag phot.mag;em.IR.H double(1)    
h_msig_k20fc H 1-sigma uncertainty in 20mag/sq.arcsec iso.fid.circ. mag mag stat.error;phot.mag;em.IR.H double(1)    
h_flg_k20fc H confusion flag for 20mag/sq.arcsec iso. fid. circ. mag -- meta.code int(1)    
k_m_k20fc K 20mag/sq.arcsec isophotal fiducial circ. ap. mag mag phot.mag;em.IR.K double(1)    
k_msig_k20fc K 1-sigma uncertainty in 20mag/sq.arcsec iso.fid.circ. mag mag stat.error;phot.mag;em.IR.K double(1)    
k_flg_k20fc K confusion flag for 20mag/sq.arcsec iso. fid. circ. mag -- meta.code int(1)    
j_r_e J Kron elliptical aperture semi-major axis arcsec phys.angSize.smajAxis;em.IR.J double(1)  
j_m_e J Kron elliptical aperture magnitude mag phot.mag;em.IR.J double(1)  
j_msig_e J 1-sigma uncertainty in Kron elliptical mag mag stat.error;phot.mag;em.IR.J double(1)    
j_flg_e J confusion flag for Kron elliptical mag -- meta.code int(1)    
h_r_e H Kron elliptical aperture semi-major axis arcsec phys.angSize.smajAxis;em.IR.H double(1)  
h_m_e H Kron elliptical aperture magnitude mag phot.mag;em.IR.H double(1)  
h_msig_e H 1-sigma uncertainty in Kron elliptical mag mag stat.error;phot.mag;em.IR.H double(1)    
h_flg_e H confusion flag for Kron elliptical mag -- meta.code int(1)    
k_r_e K Kron elliptical aperture semi-major axis arcsec phys.angSize.smajAxis;em.IR.K double(1)  
k_m_e K Kron elliptical aperture magnitude mag phot.mag;em.IR.K double(1)  
k_msig_e K 1-sigma uncertainty in Kron elliptical mag mag stat.error;phot.mag;em.IR.K double(1)    
k_flg_e K confusion flag for Kron elliptical mag -- meta.code int(1)    
j_r_c J Kron circular aperture radius arcsec phys.angSize;em.IR.J double(1)    
j_m_c J Kron circular aperture magnitude mag phot.mag;em.IR.J double(1)    
j_msig_c J 1-sigma uncertainty in Kron circular mag mag stat.error;phot.mag;em.IR.J double(1)    
j_flg_c J confusion flag for Kron circular mag -- meta.code int(1)    
h_r_c H Kron circular aperture radius arcsec phys.angSize;em.IR.H double(1)    
h_m_c H Kron circular aperture magnitude mag phot.mag;em.IR.H double(1)    
h_msig_c H 1-sigma uncertainty in Kron circular mag mag stat.error;phot.mag;em.IR.H double(1)    
h_flg_c H confusion flag for Kron circular mag -- meta.code int(1)    
k_r_c K Kron circular aperture radius arcsec phys.angSize;em.IR.K double(1)    
k_m_c K Kron circular aperture magnitude mag phot.mag;em.IR.K double(1)    
k_msig_c K 1-sigma uncertainty in Kron circular mag mag stat.error;phot.mag;em.IR.K double(1)    
k_flg_c K confusion flag for Kron circular mag -- meta.code int(1)    
r_fc K fiducial Kron circular aperture radius arcsec phys.angSize;em.IR.K double(1)    
j_m_fc J fiducial Kron circular magnitude mag phot.mag;em.IR.J double(1)    
j_msig_fc J 1-sigma uncertainty in fiducial Kron circ. mag mag stat.error;phot.mag;em.IR.J double(1)    
j_flg_fc J confusion flag for fiducial Kron circ. mag -- meta.code int(1)    
h_m_fc H fiducial Kron circular magnitude mag phot.mag;em.IR.H double(1)    
h_msig_fc H 1-sigma uncertainty in fiducial Kron circ. mag mag stat.error;phot.mag;em.IR.H double(1)    
h_flg_fc H confusion flag for fiducial Kron circ. mag -- meta.code int(1)    
k_m_fc K fiducial Kron circular magnitude mag phot.mag;em.IR.K double(1)    
k_msig_fc K 1-sigma uncertainty in fiducial Kron circ. mag mag stat.error;phot.mag;em.IR.K double(1)    
k_flg_fc K confusion flag for fiducial Kron circ. mag -- meta.code int(1)    
j_r_i20e J 20mag/sq.arcsec isophotal elliptical ap. semi-major axis arcsec phys.angSize.smajAxis;em.IR.J double(1)    
j_m_i20e J 20mag/sq.arcsec isophotal elliptical ap. magnitude mag phot.mag;em.IR.J double(1)    
j_msig_i20e J 1-sigma uncertainty in 20mag/sq.arcsec iso. ell. mag mag stat.error;phot.mag;em.IR.J double(1)    
j_flg_i20e J confusion flag for 20mag/sq.arcsec iso. ell. mag -- meta.code int(1)    
h_r_i20e H 20mag/sq.arcsec isophotal elliptical ap. semi-major axis arcsec phys.angSize.smajAxis;em.IR.H double(1)    
h_m_i20e H 20mag/sq.arcsec isophotal elliptical ap. magnitude mag phot.mag;em.IR.H double(1)    
h_msig_i20e H 1-sigma uncertainty in 20mag/sq.arcsec iso. ell. mag mag stat.error;phot.mag;em.IR.H double(1)    
h_flg_i20e H confusion flag for 20mag/sq.arcsec iso. ell. mag -- meta.code int(1)    
k_r_i20e K 20mag/sq.arcsec isophotal elliptical ap. semi-major axis arcsec phys.angSize.smajAxis;em.IR.K double(1)    
k_m_i20e K 20mag/sq.arcsec isophotal elliptical ap. magnitude mag phot.mag;em.IR.K double(1)    
k_msig_i20e K 1-sigma uncertainty in 20mag/sq.arcsec iso. ell. mag mag stat.error;phot.mag;em.IR.K double(1)    
k_flg_i20e K confusion flag for 20mag/sq.arcsec iso. ell. mag -- meta.code int(1)    
j_r_i20c J 20mag/sq.arcsec isophotal circular aperture radius arcsec phys.angSize;em.IR.J double(1)    
j_m_i20c J 20mag/sq.arcsec isophotal circular ap. magnitude mag phot.mag;em.IR.J double(1)    
j_msig_i20c J 1-sigma uncertainty in 20mag/sq.arcsec iso. circ. mag mag stat.error;phot.mag;em.IR.J double(1)    
j_flg_i20c J confusion flag for 20mag/sq.arcsec iso. circ. mag -- meta.code int(1)    
h_r_i20c H 20mag/sq.arcsec isophotal circular aperture radius arcsec phys.angSize;em.IR.H double(1)    
h_m_i20c H 20mag/sq.arcsec isophotal circular ap. magnitude mag phot.mag;em.IR.H double(1)    
h_msig_i20c H 1-sigma uncertainty in 20mag/sq.arcsec iso. circ. mag mag stat.error;phot.mag;em.IR.H double(1)    
h_flg_i20c H confusion flag for 20mag/sq.arcsec iso. circ. mag -- meta.code int(1)    
k_r_i20c K 20mag/sq.arcsec isophotal circular aperture radius arcsec phys.angSize;em.IR.K double(1)    
k_m_i20c K 20mag/sq.arcsec isophotal circular ap. magnitude mag phot.mag;em.IR.K double(1)    
k_msig_i20c K 1-sigma uncertainty in 20mag/sq.arcsec iso. circ. mag mag stat.error;phot.mag;em.IR.K double(1)    
k_flg_i20c K confusion flag for 20mag/sq.arcsec iso. circ. mag -- meta.code int(1)    
j_r_i21e J 21mag/sq.arcsec isophotal elliptical ap. semi-major axis arcsec phys.angSize.smajAxis;em.IR.J double(1)    
j_m_i21e J 21mag/sq.arcsec isophotal elliptical ap. magnitude mag phot.mag;em.IR.J double(1)    
j_msig_i21e J 1-sigma uncertainty in 21mag/sq.arcsec iso. ell. mag mag stat.error;phot.mag;em.IR.J double(1)    
j_flg_i21e J confusion flag for 21mag/sq.arcsec iso. ell. mag -- meta.code int(1)    
h_r_i21e H 21mag/sq.arcsec isophotal elliptical ap. semi-major axis arcsec phys.angSize.smajAxis;em.IR.H double(1)    
h_m_i21e H 21mag/sq.arcsec isophotal elliptical ap. magnitude mag phot.mag;em.IR.H double(1)    
h_msig_i21e H 1-sigma uncertainty in 21mag/sq.arcsec iso. ell. mag mag stat.error;phot.mag;em.IR.H double(1)    
h_flg_i21e H confusion flag for 21mag/sq.arcsec iso. ell. mag -- meta.code int(1)    
k_r_i21e K 21mag/sq.arcsec isophotal elliptical ap. semi-major axis arcsec phys.angSize.smajAxis;em.IR.K double(1)    
k_m_i21e K 21mag/sq.arcsec isophotal elliptical ap. magnitude mag phot.mag;em.IR.K double(1)    
k_msig_i21e K 1-sigma uncertainty in 21mag/sq.arcsec iso. ell. mag mag stat.error;phot.mag;em.IR.K double(1)    
k_flg_i21e K confusion flag for 21mag/sq.arcsec iso. ell. mag -- meta.code int(1)    
r_j21fe 21mag/sq.arcsec isophotal J fiducial ell. ap. semi-major axis arcsec phys.angSize.smajAxis;em.IR.J double(1)    
j_m_j21fe J 21mag/sq.arcsec isophotal fiducial ell. ap. magnitude mag phot.mag;em.IR.J double(1)    
j_msig_j21fe J 1-sigma uncertainty in 21mag/sq.arcsec iso.fid.ell.mag mag stat.error;phot.mag;em.IR.J double(1)    
j_flg_j21fe J confusion flag for 21mag/sq.arcsec iso. fid. ell. mag -- meta.code int(1)    
h_m_j21fe H 21mag/sq.arcsec isophotal fiducial ell. ap. magnitude mag phot.mag;em.IR.H double(1)    
h_msig_j21fe H 1-sigma uncertainty in 21mag/sq.arcsec iso.fid.ell.mag mag stat.error;phot.mag;em.IR.H double(1)    
h_flg_j21fe H confusion flag for 21mag/sq.arcsec iso. fid. ell. mag -- meta.code int(1)    
k_m_j21fe K 21mag/sq.arcsec isophotal fiducial ell. ap. magnitude mag phot.mag;em.IR.K double(1)    
k_msig_j21fe K 1-sigma uncertainty in 21mag/sq.arcsec iso.fid.ell.mag mag stat.error;phot.mag;em.IR.K double(1)    
k_flg_j21fe K confusion flag for 21mag/sq.arcsec iso. fid. ell. mag -- meta.code int(1)    
j_r_i21c J 21mag/sq.arcsec isophotal circular aperture radius arcsec phys.angSize;em.IR.J double(1)    
j_m_i21c J 21mag/sq.arcsec isophotal circular ap. magnitude mag phot.mag;em.IR.J double(1)    
j_msig_i21c J 1-sigma uncertainty in 21mag/sq.arcsec iso. circ. mag mag stat.error;phot.mag;em.IR.J double(1)    
j_flg_i21c J confusion flag for 21mag/sq.arcsec iso. circ. mag -- meta.code int(1)    
h_r_i21c H 21mag/sq.arcsec isophotal circular aperture radius arcsec phys.angSize;em.IR.H double(1)    
h_m_i21c H 21mag/sq.arcsec isophotal circular ap. magnitude mag phot.mag;em.IR.H double(1)    
h_msig_i21c H 1-sigma uncertainty in 21mag/sq.arcsec iso. circ. mag mag stat.error;phot.mag;em.IR.H double(1)    
h_flg_i21c H confusion flag for 21mag/sq.arcsec iso. circ. mag -- meta.code int(1)    
k_r_i21c K 21mag/sq.arcsec isophotal circular aperture radius arcsec phys.angSize;em.IR.K double(1)    
k_m_i21c K 21mag/sq.arcsec isophotal circular ap. magnitude mag phot.mag;em.IR.K double(1)    
k_msig_i21c K 1-sigma uncertainty in 21mag/sq.arcsec iso. circ. mag mag stat.error;phot.mag;em.IR.K double(1)    
k_flg_i21c K confusion flag for 21mag/sq.arcsec iso. circ. mag -- meta.code int(1)    
r_j21fc 21mag/sq.arcsec isophotal J fiducial circular ap. radius arcsec phys.angSize;em.IR.J double(1)    
j_m_j21fc J 21mag/sq.arcsec isophotal fiducial circ. ap. mag mag phot.mag;em.IR.J double(1)    
j_msig_j21fc J 1-sigma uncertainty in 21mag/sq.arcsec iso.fid.circ.mag mag stat.error;phot.mag;em.IR.J double(1)    
j_flg_j21fc J confusion flag for 21mag/sq.arcsec iso. fid. circ. mag -- meta.code int(1)    
h_m_j21fc H 21mag/sq.arcsec isophotal fiducial circ. ap. mag mag phot.mag;em.IR.H double(1)    
h_msig_j21fc H 1-sigma uncertainty in 21mag/sq.arcsec iso.fid.circ.mag mag stat.error;phot.mag;em.IR.H double(1)    
h_flg_j21fc H confusion flag for 21mag/sq.arcsec iso. fid. circ. mag -- meta.code int(1)    
k_m_j21fc K 21mag/sq.arcsec isophotal fiducial circ. ap. mag mag phot.mag;em.IR.K double(1)    
k_msig_j21fc K 1-sigma uncertainty in 21mag/sq.arcsec iso.fid.circ.mag mag stat.error;phot.mag;em.IR.K double(1)    
k_flg_j21fc K confusion flag for 21mag/sq.arcsec iso. fid. circ. mag -- meta.code int(1)    
j_m_5 J 5 arcsec radius circular aperture magnitude mag phot.mag;em.IR.J double(1)    
j_msig_5 J 1-sigma uncertainty in 5 arcsec circular ap. mag mag stat.error;phot.mag;em.IR.J double(1)    
j_flg_5 J confusion flag for 5 arcsec circular ap. mag -- meta.code int(1)    
h_m_5 H 5 arcsec radius circular aperture magnitude mag phot.mag;em.IR.H double(1)    
h_msig_5 H 1-sigma uncertainty in 5 arcsec circular ap. mag mag stat.error;phot.mag;em.IR.H double(1)    
h_flg_5 H confusion flag for 5 arcsec circular ap. mag -- meta.code int(1)    
k_m_5 K 5 arcsec radius circular aperture magnitude mag phot.mag;em.IR.K double(1)    
k_msig_5 K 1-sigma uncertainty in 5 arcsec circular ap. mag mag stat.error;phot.mag;em.IR.K double(1)    
k_flg_5 K confusion flag for 5 arcsec circular ap. mag -- meta.code int(1)    
j_m_7 J 7 arcsec radius circular aperture magnitude mag phot.mag;em.IR.J double(1)    
j_msig_7 J 1-sigma uncertainty in 7 arcsec circular ap. mag mag stat.error;phot.mag;em.IR.J double(1)    
j_flg_7 J confusion flag for 7 arcsec circular ap. mag -- meta.code int(1)    
h_m_7 H 7 arcsec radius circular aperture magnitude mag phot.mag;em.IR.H double(1)    
h_msig_7 H 1-sigma uncertainty in 7 arcsec circular ap. mag mag stat.error;phot.mag;em.IR.H double(1)    
h_flg_7 H confusion flag for 7 arcsec circular ap. mag -- meta.code int(1)    
k_m_7 K 7 arcsec radius circular aperture magnitude mag phot.mag;em.IR.K double(1)    
k_msig_7 K 1-sigma uncertainty in 7 arcsec circular ap. mag mag stat.error;phot.mag;em.IR.K double(1)    
k_flg_7 K confusion flag for 7 arcsec circular ap. mag -- meta.code int(1)    
j_m_10 J 10 arcsec radius circular aperture magnitude mag phot.mag;em.IR.J double(1)    
j_msig_10 J 1-sigma uncertainty in 10 arcsec circular ap. mag mag stat.error;phot.mag;em.IR.J double(1)    
j_flg_10 J confusion flag for 10 arcsec circular ap. mag -- meta.code int(1)    
h_m_10 H 10 arcsec radius circular aperture magnitude mag phot.mag;em.IR.H double(1)    
h_msig_10 H 1-sigma uncertainty in 10 arcsec circular ap. mag mag stat.error;phot.mag;em.IR.H double(1)    
h_flg_10 H confusion flag for 10 arcsec circular ap. mag -- meta.code int(1)    
k_m_10 K 10 arcsec radius circular aperture magnitude mag phot.mag;em.IR.K double(1)    
k_msig_10 K 1-sigma uncertainty in 10 arcsec circular ap. mag mag stat.error;phot.mag;em.IR.K double(1)    
k_flg_10 K confusion flag for 10 arcsec circular ap. mag -- meta.code int(1)    
j_m_15 J 15 arcsec radius circular aperture magnitude mag phot.mag;em.IR.J double(1)    
j_msig_15 J 1-sigma uncertainty in 15 arcsec circular ap. mag mag stat.error;phot.mag;em.IR.J double(1)    
j_flg_15 J confusion flag for 15 arcsec circular ap. mag -- meta.code int(1)    
h_m_15 H 15 arcsec radius circular aperture magnitude mag phot.mag;em.IR.H double(1)    
h_msig_15 H 1-sigma uncertainty in 15 arcsec circular ap. mag mag stat.error;phot.mag;em.IR.H double(1)    
h_flg_15 H confusion flag for 15 arcsec circular ap. mag -- meta.code int(1)    
k_m_15 K 15 arcsec radius circular aperture magnitude mag phot.mag;em.IR.K double(1)    
k_msig_15 K 1-sigma uncertainty in 15 arcsec circular ap. mag mag stat.error;phot.mag;em.IR.K double(1)    
k_flg_15 K confusion flag for 15 arcsec circular ap. mag -- meta.code int(1)    
j_m_20 J 20 arcsec radius circular aperture magnitude mag phot.mag;em.IR.J double(1)    
j_msig_20 J 1-sigma uncertainty in 20 arcsec circular ap. mag mag stat.error;phot.mag;em.IR.J double(1)    
j_flg_20 J confusion flag for 20 arcsec circular ap. mag -- meta.code int(1)    
h_m_20 H 20 arcsec radius circular aperture magnitude mag phot.mag;em.IR.H double(1)    
h_msig_20 H 1-sigma uncertainty in 20 arcsec circular ap. mag mag stat.error;phot.mag;em.IR.H double(1)    
h_flg_20 H confusion flag for 20 arcsec circular ap. mag -- meta.code int(1)    
k_m_20 K 20 arcsec radius circular aperture magnitude mag phot.mag;em.IR.K double(1)    
k_msig_20 K 1-sigma uncertainty in 20 arcsec circular ap. mag mag stat.error;phot.mag;em.IR.K double(1)    
k_flg_20 K confusion flag for 20 arcsec circular ap. mag -- meta.code int(1)    
j_m_25 J 25 arcsec radius circular aperture magnitude mag phot.mag;em.IR.J double(1)    
j_msig_25 J 1-sigma uncertainty in 25 arcsec circular ap. mag mag stat.error;phot.mag;em.IR.J double(1)    
j_flg_25 J confusion flag for 25 arcsec circular ap. mag -- meta.code int(1)    
h_m_25 H 25 arcsec radius circular aperture magnitude mag phot.mag;em.IR.H double(1)    
h_msig_25 H 1-sigma uncertainty in 25 arcsec circular ap. mag mag stat.error;phot.mag;em.IR.H double(1)    
h_flg_25 H confusion flag for 25 arcsec circular ap. mag -- meta.code int(1)    
k_m_25 K 25 arcsec radius circular aperture magnitude mag phot.mag;em.IR.K double(1)    
k_msig_25 K 1-sigma uncertainty in 25 arcsec circular ap. mag mag stat.error;phot.mag;em.IR.K double(1)    
k_flg_25 K confusion flag for 25 arcsec circular ap. mag -- meta.code int(1)    
j_m_30 J 30 arcsec radius circular aperture magnitude mag phot.mag;em.IR.J double(1)    
j_msig_30 J 1-sigma uncertainty in 30 arcsec circular ap. mag mag stat.error;phot.mag;em.IR.J double(1)    
j_flg_30 J confusion flag for 30 arcsec circular ap. mag -- meta.code int(1)    
h_m_30 H 30 arcsec radius circular aperture magnitude mag phot.mag;em.IR.H double(1)    
h_msig_30 H 1-sigma uncertainty in 30 arcsec circular ap. mag mag stat.error;phot.mag;em.IR.H double(1)    
h_flg_30 H confusion flag for 30 arcsec circular ap. mag -- meta.code int(1)    
k_m_30 K 30 arcsec radius circular aperture magnitude mag phot.mag;em.IR.K double(1)    
k_msig_30 K 1-sigma uncertainty in 30 arcsec circular ap. mag mag stat.error;phot.mag;em.IR.K double(1)    
k_flg_30 K confusion flag for 30 arcsec circular ap. mag -- meta.code int(1)    
j_m_40 J 40 arcsec radius circular aperture magnitude mag phot.mag;em.IR.J double(1)    
j_msig_40 J 1-sigma uncertainty in 40 arcsec circular ap. mag mag stat.error;phot.mag;em.IR.J double(1)    
j_flg_40 J confusion flag for 40 arcsec circular ap. mag -- meta.code int(1)    
h_m_40 H 40 arcsec radius circular aperture magnitude mag phot.mag;em.IR.H double(1)    
h_msig_40 H 1-sigma uncertainty in 40 arcsec circular ap. mag mag stat.error;phot.mag;em.IR.H double(1)    
h_flg_40 H confusion flag for 40 arcsec circular ap. mag -- meta.code int(1)    
k_m_40 K 40 arcsec radius circular aperture magnitude mag phot.mag;em.IR.K double(1)    
k_msig_40 K 1-sigma uncertainty in 40 arcsec circular ap. mag mag stat.error;phot.mag;em.IR.K double(1)    
k_flg_40 K confusion flag for 40 arcsec circular ap. mag -- meta.code int(1)    
j_m_50 J 50 arcsec radius circular aperture magnitude mag phot.mag;em.IR.J double(1)    
j_msig_50 J 1-sigma uncertainty in 50 arcsec circular ap. mag mag stat.error;phot.mag;em.IR.J double(1)    
j_flg_50 J confusion flag for 50 arcsec circular ap. mag -- meta.code int(1)    
h_m_50 H 50 arcsec radius circular aperture magnitude mag phot.mag;em.IR.H double(1)    
h_msig_50 H 1-sigma uncertainty in 50 arcsec circular ap. mag mag stat.error;phot.mag;em.IR.H double(1)    
h_flg_50 H confusion flag for 50 arcsec circular ap. mag -- meta.code int(1)    
k_m_50 K 50 arcsec radius circular aperture magnitude mag phot.mag;em.IR.K double(1)    
k_msig_50 K 1-sigma uncertainty in 50 arcsec circular ap. mag mag stat.error;phot.mag;em.IR.K double(1)    
k_flg_50 K confusion flag for 50 arcsec circular ap. mag -- meta.code int(1)    
j_m_60 J 60 arcsec radius circular aperture magnitude mag phot.mag;em.IR.J double(1)    
j_msig_60 J 1-sigma uncertainty in 60 arcsec circular ap. mag mag stat.error;phot.mag;em.IR.J double(1)    
j_flg_60 J confusion flag for 60 arcsec circular ap. mag -- meta.code int(1)    
h_m_60 H 60 arcsec radius circular aperture magnitude mag phot.mag;em.IR.H double(1)    
h_msig_60 H 1-sigma uncertainty in 60 arcsec circular ap. mag mag stat.error;phot.mag;em.IR.H double(1)    
h_flg_60 H confusion flag for 60 arcsec circular ap. mag -- meta.code int(1)    
k_m_60 K 60 arcsec radius circular aperture magnitude mag phot.mag;em.IR.K double(1)    
k_msig_60 K 1-sigma uncertainty in 60 arcsec circular ap. mag mag stat.error;phot.mag;em.IR.K double(1)    
k_flg_60 K confusion flag for 60 arcsec circular ap. mag -- meta.code int(1)    
j_m_70 J 70 arcsec radius circular aperture magnitude mag phot.mag;em.IR.J double(1)    
j_msig_70 J 1-sigma uncertainty in 70 arcsec circular ap. mag mag stat.error;phot.mag;em.IR.J double(1)    
j_flg_70 J confusion flag for 70 arcsec circular ap. mag -- meta.code int(1)    
h_m_70 H 70 arcsec radius circular aperture magnitude mag phot.mag;em.IR.H double(1)    
h_msig_70 H 1-sigma uncertainty in 70 arcsec circular ap. mag mag stat.error;phot.mag;em.IR.H double(1)    
h_flg_70 H confusion flag for 70 arcsec circular ap. mag -- meta.code int(1)    
k_m_70 K 70 arcsec radius circular aperture magnitude mag phot.mag;em.IR.K double(1)    
k_msig_70 K 1-sigma uncertainty in 70 arcsec circular ap. mag mag stat.error;phot.mag;em.IR.K double(1)    
k_flg_70 K confusion flag for 70 arcsec circular ap. mag -- meta.code int(1)    
j_m_sys J system photometry magnitude mag phot.mag;em.IR.J double(1)    
j_msig_sys J 1-sigma uncertainty in system photometry mag mag stat.error;phot.mag;em.IR.J double(1)    
h_m_sys H system photometry magnitude mag phot.mag;em.IR.H double(1)    
h_msig_sys H 1-sigma uncertainty in system photometry mag mag stat.error;phot.mag;em.IR.H double(1)    
k_m_sys K system photometry magnitude mag phot.mag;em.IR.K double(1)    
k_msig_sys K 1-sigma uncertainty in system photometry mag mag stat.error;phot.mag;em.IR.K double(1)    
sys_flg System flag: 0=no system 1=nearby galaxy flux incl. in mag -- meta.code int(1)  
contam_flg Contamination flag: 0=no stars 1=stellar flux incl. in mag -- meta.code int(1)  
j_5sig_ba J minor/major axis ratio fit to the 5-sigma isophote -- phys.size.axisRatio;em.IR.J double(1)    
j_5sig_phi J angle to 5-sigma major axis (E of N) deg pos.posAng;em.IR.J int(1)    
h_5sig_ba H minor/major axis ratio fit to the 5-sigma isophote -- phys.size.axisRatio;em.IR.H double(1)    
h_5sig_phi H angle to 5-sigma major axis (E of N) deg pos.posAng;em.IR.H int(1)    
k_5sig_ba K minor/major axis ratio fit to the 5-sigma isophote -- phys.size.axisRatio;em.IR.K double(1)    
k_5sig_phi K angle to 5-sigma major axis (E of N) deg pos.posAng;em.IR.K int(1)    
j_d_area J 5-sigma to 3-sigma differential area -- arith.factor;phys.angArea int(1)    
j_perc_darea J 5-sigma to 3-sigma percent area change -- arith.factor;phys.angArea int(1)    
h_d_area H 5-sigma to 3-sigma differential area -- arith.factor;phys.angArea int(1)    
h_perc_darea H 5-sigma to 3-sigma percent area change -- arith.factor;phys.angArea int(1)    
k_d_area K 5-sigma to 3-sigma differential area -- arith.factor;phys.angArea int(1)    
k_perc_darea K 5-sigma to 3-sigma percent area change -- arith.factor;phys.angArea int(1)    
j_bisym_rat J bi-symmetric flux ratio -- arith.ratio; phot.flux;em.IR.J double(1)    
j_bisym_chi J bi-symmetric cross-correlation chi -- stat.fit.chi2 double(1)    
h_bisym_rat H bi-symmetric flux ratio -- arith.ratio; phot.flux;em.IR.H double(1)    
h_bisym_chi H bi-symmetric cross-correlation chi -- stat.fit.chi2 double(1)    
k_bisym_rat K bi-symmetric flux ratio -- arith.ratio; phot.flux;em.IR.K double(1)    
k_bisym_chi K bi-symmetric cross-correlation chi -- stat.fit.chi2 double(1)    
j_sh0 J ridge shape (LCSB: BSNR limit) -- src.morph;em.IR.J double(1)    
j_sig_sh0 J ridge shape sigma (LCSB: B2SNR limit) -- stat.error;src.morph double(1)    
h_sh0 H ridge shape (LCSB: BSNR limit) -- src.morph;em.IR.H double(1)    
h_sig_sh0 H ridge shape sigma (LCSB: B2SNR limit) -- stat.error;src.morph double(1)    
k_sh0 K ridge shape (LCSB: BSNR limit) -- src.morph;em.IR.K double(1)    
k_sig_sh0 K ridge shape sigma (LCSB: B2SNR limit) -- stat.error;src.morph double(1)    
j_sc_mxdn J mxdn (score) (LCSB: BSNR - block/smoothed SNR) -- stat.fit.param double(1)    
j_sc_sh J shape (score) -- stat.fit.param double(1)    
j_sc_wsh J wsh (score) (LCSB: PSNR - peak raw SNR) -- stat.fit.param double(1)    
j_sc_r23 J r23 (score) (LCSB: TSNR - integrated SNR for r=15) -- stat.fit.param double(1)    
j_sc_1mm J 1st moment (score) (LCSB: super blk 2 4 8 SNR) -- stat.fit.param double(1)    
j_sc_2mm J 2nd moment (score) (LCSB: SNRMAX - super SNR max) -- stat.fit.param double(1)    
j_sc_vint J vint (score) -- stat.fit.param double(1)    
j_sc_r1 J r1 (score) -- stat.fit.param double(1)    
j_sc_msh J median shape score -- stat.fit.param double(1)    
h_sc_mxdn H mxdn (score) (LCSB: BSNR - block/smoothed SNR) -- stat.fit.param double(1)    
h_sc_sh H shape (score) -- stat.fit.param double(1)    
h_sc_wsh H wsh (score) (LCSB: PSNR - peak raw SNR) -- stat.fit.param double(1)    
h_sc_r23 H r23 (score) (LCSB: TSNR - integrated SNR for r=15) -- stat.fit.param double(1)    
h_sc_1mm H 1st moment (score) (LCSB: super blk 2 4 8 SNR) -- stat.fit.param double(1)    
h_sc_2mm H 2nd moment (score) (LCSB: SNRMAX - super SNR max) -- stat.fit.param double(1)    
h_sc_vint H vint (score) -- stat.fit.param double(1)    
h_sc_r1 H r1 (score) -- stat.fit.param double(1)    
h_sc_msh H median shape score -- stat.fit.param double(1)    
k_sc_mxdn K mxdn (score) (LCSB: BSNR - block/smoothed SNR) -- stat.fit.param double(1)    
k_sc_sh K shape (score) -- stat.fit.param double(1)    
k_sc_wsh K wsh (score) (LCSB: PSNR - peak raw SNR) -- stat.fit.param double(1)    
k_sc_r23 K r23 (score) (LCSB: TSNR - integrated SNR for r=15) -- stat.fit.param double(1)    
k_sc_1mm K 1st moment (score) (LCSB: super blk 2 4 8 SNR) -- stat.fit.param double(1)    
k_sc_2mm K 2nd moment (score) (LCSB: SNRMAX - super SNR max) -- stat.fit.param double(1)    
k_sc_vint K vint (score) -- stat.fit.param double(1)    
k_sc_r1 K r1 (score) -- stat.fit.param double(1)    
k_sc_msh K median shape score -- stat.fit.param double(1)    
j_chif_ellf J % chi-fraction for elliptical fit to 3-sig isophote -- stat.fit.chi2 double(1)    
k_chif_ellf K % chi-fraction for elliptical fit to 3-sig isophote -- stat.fit.chi2 double(1)    
ellfit_flg Ellipse fitting contamination flag -- meta.code int(1)    
sup_chif_ellf Super-coadd % chi-fraction for ellip. fit to 3-sig isophote -- stat.fit.chi2 double(1)    
n_blank Number of blanked source records -- meta.number int(1)    
n_sub Number of subtracted source records -- meta.number int(1)    
bl_sub_flg Blanked/subtracted src description flag -- meta.code int(1)    
id_flg Type/galaxy ID flag (0=non-catalog 1=catalog 2=LCSB) -- meta.code int(1)  
id_cat Matched galaxy's catalog name -- meta.id.cross char(20)  
fg_flg Flux-growth convergence flag -- meta.code char(6)    
blk_fac LCSB blocking factor (1 2 4 8) -- meta.number int(1)    
dup_src Has duplicate source extractions (overlap areas) -- meta.code.multip int(1)    
use_src This extraction of source is to be used in catalog -- meta.code.multip int(1)    
prox Distance in arcsec to nearest cat. ext source within 999.9arcsec arcsec pos.angDistance double(1)  
pxpa Angle (deg E of N) to nearest catalog source within 999.9arcsec deg pos.posAng int(1)    
pxcntr cntr of nearest catalog extended source within 999.9arcsec -- meta.id.cross int(1)    
dist_edge_ns Distance to nearest north or south full-coverage scan edge arcsec pos.angDistance int(1)    
dist_edge_ew Distance to nearest east or west full-coverage scan edge arcsec pos.angDistance int(1)    
dist_edge_flg Flag indicating which edges ([n|s][e|w]) are nearest to src -- meta.code char(2)    
pts_key Key to point source data DB record -- meta.id int(1)
mp_key Key to minor planet prediction DB record -- meta.id int(1)    
night_key Key to night data record in arcsecscan DBarcsec -- meta.id int(1)    
scan_key Key to scan data record in arcsecscan DBarcsec -- meta.id int(1)
coadd_key Key to coadd data record in arcsecscan DBarcsec -- meta.id int(1)    
hemis Hemisphere (N/S) of observation -- meta.id;instr.obsty char(1)    
date Observation date -- time.epoch;obs char(10)    
scan Scan number (unique within date) -- meta.number int(1)    
coadd 3-digit coadd number (unique within scan) -- meta.id int(1)    
id Source ID number (unique within scan coadd) -- meta.id int(1)    
x_coadd x (cross-scan) position (coadd coord.) arcsec pos.cartesian.x;instr.det double(1)    
y_coadd y (in-scan) position (coadd coord.) arcsec pos.cartesian.y;instr.det double(1)    
j_subst2 J residual background #2 (score) -- stat.fit.residual;instr.background double(1)    
h_subst2 H residual background #2 (score) -- stat.fit.residual;instr.background double(1)    
k_subst2 K residual background #2 (score) -- stat.fit.residual;instr.background double(1)    
j_back J coadd median background -- instr.background;stat.median double(1)    
h_back H coadd median background -- instr.background;stat.median double(1)    
k_back K coadd median background -- instr.background;stat.median double(1)    
j_resid_ann J residual annulus background median -- stat.fit.residual;instr.background double(1)    
h_resid_ann H residual annulus background median -- stat.fit.residual;instr.background double(1)    
k_resid_ann K residual annulus background median -- stat.fit.residual;instr.background double(1)    
j_bndg_per J banding Fourier Transf. period on this side of coadd arcsec stat.fit.param int(1)    
j_bndg_amp J banding maximum FT amplitude on this side of coadd -- stat.fit.param double(1)    
h_bndg_per H banding Fourier Transf. period on this side of coadd arcsec stat.fit.param int(1)    
h_bndg_amp H banding maximum FT amplitude on this side of coadd -- stat.fit.param double(1)    
k_bndg_per K banding Fourier Transf. period on this side of coadd arcsec stat.fit.param int(1)    
k_bndg_amp K banding maximum FT amplitude on this side of coadd -- stat.fit.param double(1)    
j_seetrack J band seetracking score -- stat.fit.param double(1)    
h_seetrack H band seetracking score -- stat.fit.param double(1)    
k_seetrack K band seetracking score -- stat.fit.param double(1)    
ext_key Entry key (counter) number (unique within table) -- meta.id;meta.main int(1)

ext.ucac4

Fourth U.S. Naval Observatory CCD Astrograph Catalog (UCAC4)
(113,780,093 rows, 58 columns)

ColumnDescriptionUnitUCD1+DatatypePrincipal?Indexed?
ucac4 UCAC4 recommended identifier (ZZZ-NNNNNN) -- meta.id;meta.main char(10)  
raj2000 Mean right ascension (ICRS) deg pos.eq.ra;meta.main double(1)
e_raj2000 Mean error of RA at mean epoch mas stat.error;pos.eq.ra int(1)    
dej2000 Mean declination (ICRS) deg pos.eq.dec;meta.main double(1)
e_dej2000 Mean error of Dec at mean epoch mas stat.error;pos.eq.dec int(1)    
epra Central epoch for mean RA yr time.epoch;stat.mean double(1)    
epde Central epoch for mean Dec yr time.epoch;stat.mean double(1)    
fmag UCAC fit model magnitude (579-642nm) mag phot.mag;em.opt.R double(1)  
amag UCAC aperture magnitude (579-642nm) mag phot.mag;em.opt.R double(1)    
e_mag Mean error on fmag and amag mag stat.error;phot.mag double(1)  
of UCAC4 object classification flag -- meta.code int(1)    
db UCAC4 double star flag -- meta.code int(1)    
na Number of UCAC observations for the star -- meta.number int(1)    
nu Number of used UCAC observations -- meta.number int(1)    
nc Number of catalog positions used for pm -- meta.number int(1)    
pmra Proper motion in RA*cos(Dec) mas/yr pos.pm;pos.eq.ra double(1)  
e_pmra Mean error on pmRA mas/yr stat.error;pos.pm;pos.eq.ra double(1)    
pmde Proper motion in Dec mas/yr pos.pm;pos.eq.dec double(1)  
e_pmde Mean error on pmDE mas/yr stat.error;pos.pm;pos.eq.dec double(1)    
mpos Unique star ID number -- meta.id;meta.main long(1)  
ucac2 UCAC2 designation (ZZZ-NNNNNN) -- meta.id.cross char(10)    
twomass_psc 2MASS pts_key unique source identifier -- meta.id.cross int(1)  
jmag 2MASS J magnitude (1.2um) mag phot.mag;em.IR.J double(1)  
e_jmag Mean error (rounded to 0.01mag) mag stat.error;phot.mag;em.IR.J double(1)    
q_jmag J-band quality-confusion flag -- meta.code.qual int(1)    
hmag 2MASS H magnitude (1.6um) mag phot.mag;em.IR.H double(1)  
e_hmag Mean error (rounded to 0.01mag) mag stat.error;phot.mag;em.IR.H double(1)    
q_hmag H-band quality-confusion flag -- meta.code.qual int(1)    
kmag 2MASS Ks magnitude (2.2um) mag phot.mag;em.IR.K double(1)  
e_kmag Mean error (rounded to 0.01mag) mag stat.error;phot.mag;em.IR.K double(1)    
q_kmag K-band quality-confusion flag -- meta.code.qual int(1)    
bmag Johnson B magnitude from APASS DR6 mag phot.mag;em.opt.B double(1)  
e_bmag Estimated error on Bmag mag stat.error;phot.mag;em.opt.B double(1)    
f_bmag Standard deviation (.) or Poisson estimated error (-) -- meta.code char(1)    
vmag Johnson V magnitude from APASS DR6 mag phot.mag;em.opt.V double(1)  
e_vmag Estimated error on Vmag mag stat.error;phot.mag;em.opt.V double(1)    
f_vmag Standard deviation (.) or Poisson estimated error (-) -- meta.code char(1)    
gmag g' AB magnitude from APASS DR6 mag phot.mag;em.opt.R double(1)  
e_gmag Estimated error on gmag mag stat.error;phot.mag;em.opt.R double(1)    
f_gmag Standard deviation (.) or Poisson estimated error (-) -- meta.code char(1)    
rmag r' AB magnitude from APASS DR6 mag phot.mag;em.opt.R double(1)  
e_rmag Estimated error on rmag mag stat.error;phot.mag;em.opt.R double(1)    
f_rmag Standard deviation (.) or Poisson estimated error (-) -- meta.code char(1)    
imag i' AB magnitude from APASS DR6 mag phot.mag;em.opt.I double(1)  
e_imag Estimated error on imag mag stat.error;phot.mag;em.opt.I double(1)    
f_imag Standard deviation (.) or Poisson estimated error (-) -- meta.code char(1)    
gc SPM gc-flag (g-flag*10 c-flag) -- meta.code int(1)    
h FK6-Hipparcos-Tycho source flag. See http://ad.usno.navy.mil/ucac/readme_u4v5 -- meta.code int(1)    
a AC2000 flag. See http://ad.usno.navy.mil/ucac/readme_u4v5 -- meta.code int(1)    
b AGK2 Bonn match flag. See http://ad.usno.navy.mil/ucac/readme_u4v5 -- meta.code int(1)    
hb AGK2 Hamburg match flag. See http://ad.usno.navy.mil/ucac/readme_u4v5 -- meta.code int(1)    
z Zone astrographic match flag. See http://ad.usno.navy.mil/ucac/readme_u4v5 -- meta.code int(1)    
bb Black Birch match flag. See http://ad.usno.navy.mil/ucac/readme_u4v5 -- meta.code int(1)    
l Lick Astrographic match flag. See http://ad.usno.navy.mil/ucac/readme_u4v5 -- meta.code int(1)    
n NPM Lick match flag. See http://ad.usno.navy.mil/ucac/readme_u4v5 -- meta.code int(1)    
s SPM Lick match flag. See http://ad.usno.navy.mil/ucac/readme_u4v5 -- meta.code int(1)    
leda LEDA I-band galaxy match. Value is either 0 (no match) or contains the log of the apparent total diameter (in 0.1arcmin) for I-band (object size) information copied from the LEDA catalog 6arcsec phys.angSize int(1)    
twomass_xsc 2MASX K-band match. This flag is either 0 (no match) or contains the length of the semi-major axis of the fiducial ellipse at the K-band (object size) information copied from the 2MASS extended source catalog. arcsec phys.angSize int(1)    

ext.vhs_dr6

VISTA Hemisphere Survey (VHS) Data Release 6
(1,374,207,485 rows, 137 columns)

Column Description Unit UCD1+ Datatype Principal? Indexed?
sourceID UID (unique over entire VSA via programme ID prefix) of this merged detection as assigned by merge algorithm   meta.id;meta.main BIGINT(1)    
cuEventID UID of curation event giving rise to this record   meta.bib INT(1)    
frameSetID UID of the set of frames that this merged source comes from   meta.bib BIGINT(1)    
ra Celestial Right Ascension Degrees pos.eq.ra;meta.main FLOAT(1)    
dec Celestial Declination Degrees pos.eq.dec;meta.main FLOAT(1)    
cx unit vector of spherical co-ordinates   pos.cartesian.x;pos.eq FLOAT(1)    
cy unit vector of spherical co-ordinates   pos.cartesian.y;pos.eq FLOAT(1)    
cz unit vector of spherical co-ordinates   pos.cartesian.z;pos.eq FLOAT(1)    
htmID Hierarchical Triangular Mesh (HTM) index (20 deep) for equatorial co-ordinates   pos.HTM BIGINT(1)    
l Galactic longitude Degrees pos.galactic.lon FLOAT(1)    
b Galactic latitude Degrees pos.galactic.lat FLOAT(1)    
lambda SDSS system spherical co-ordinate 1 Degrees pos FLOAT(1)    
eta SDSS system spherical co-ordinate 2 Degrees pos FLOAT(1)    
priOrSec Seam code for a unique (=0) or duplicated (!=0) source (eg. flags overlap duplicates).   meta.code BIGINT(1)    
ymjPnt Point source colour Y-J (using aperMag3) mag phot.color;em.IR.NIR;em.IR.J REAL(1)    
ymjPntErr Error on point source colour Y-J mag stat.error;em.IR.NIR;em.IR.J REAL(1)    
jmhPnt Point source colour J-H (using aperMag3) mag phot.color;em.IR.J;em.IR.H REAL(1)    
jmhPntErr Error on point source colour J-H mag stat.error;em.IR.J;em.IR.H REAL(1)    
hmksPnt Point source colour H-Ks (using aperMag3) mag phot.color;em.IR.H;em.IR.K REAL(1)    
hmksPntErr Error on point source colour H-Ks mag stat.error;em.IR.H;em.IR.K REAL(1)    
jmksPnt Point source colour J-Ks (using aperMag3) mag phot.color;em.IR.J;em.IR.K REAL(1)    
jmksPntErr Error on point source colour J-Ks mag stat.error;em.IR.J;em.IR.K REAL(1)    
ymjExt Extended source colour Y-J (using aperMagNoAperCorr3) mag phot.color;em.IR.NIR;em.IR.J REAL(1)    
ymjExtErr Error on extended source colour Y-J mag stat.error;em.IR.NIR;em.IR.J REAL(1)    
jmhExt Extended source colour J-H (using aperMagNoAperCorr3) mag phot.color;em.IR.J;em.IR.H REAL(1)    
jmhExtErr Error on extended source colour J-H mag stat.error;em.IR.J;em.IR.H REAL(1)    
hmksExt Extended source colour H-Ks (using aperMagNoAperCorr3) mag phot.color;em.IR.H;em.IR.K REAL(1)    
hmksExtErr Error on extended source colour H-Ks mag stat.error;em.IR.H;em.IR.K REAL(1)    
jmksExt Extended source colour J-Ks (using aperMagNoAperCorr3) mag phot.color;em.IR.J;em.IR.K REAL(1)    
jmksExtErr Error on extended source colour J-Ks mag stat.error;em.IR.J;em.IR.K REAL(1)    
mergedClassStat Merged N(0-1) stellarness-of-profile statistic   stat REAL(1)    
mergedClass Class flag from available measurements (1|0|-1|-2|-3|-9=galaxy|noise|stellar|probableStar|probableGalaxy|saturated)   meta.code SMALLINT(1)    
pStar Probability that the source is a star   stat.probability REAL(1)    
pGalaxy Probability that the source is a galaxy   stat.probability REAL(1)    
pNoise Probability that the source is noise   stat.probability REAL(1)    
pSaturated Probability that the source is saturated   stat.probability REAL(1)    
eBV The galactic dust extinction value measured from the Schlegel Finkbeiner Davis (1998) maps. This uses the correction given in Bonifacio Monai Beers (2000). This correction reduces the extinction value in regions of high extinction (E(B-V)>0.1)   phys.absorption.gal REAL(1)    
aY The galactic extinction correction in the Y band for extragalactic objects mag phys.absorption.gal REAL(1)    
aJ The galactic extinction correction in the J band for extragalactic objects mag phys.absorption.gal REAL(1)    
aH The galactic extinction correction in the H band for extragalactic objects mag phys.absorption.gal REAL(1)    
aKs The galactic extinction correction in the Ks band for extragalactic objects mag phys.absorption.gal REAL(1)    
yMjd Modified Julian Day in Y band days time.epoch;em.IR.NIR FLOAT(1)    
yPetroMag Extended source Y mag (Petrosian) mag phot.mag;em.IR.NIR REAL(1)    
yPetroMagErr Error in extended source Y mag (Petrosian) mag stat.error;phot.mag;em.IR.NIR REAL(1)    
yAperMag3 Default point source Y aperture corrected mag (2.0 arcsec aperture diameter) mag phot.mag;em.IR.NIR REAL(1)    
yAperMag3Err Error in default point/extended source Y mag (2.0 arcsec aperture diameter) mag stat.error;phot.mag;em.IR.NIR REAL(1)    
yAperMag4 Point source Y aperture corrected mag (2.8 arcsec aperture diameter) mag phot.mag;em.IR.NIR REAL(1)    
yAperMag4Err Error in point/extended source Y mag (2.8 arcsec aperture diameter) mag stat.error;phot.mag;em.IR.NIR REAL(1)    
yAperMag6 Point source Y aperture corrected mag (5.7 arcsec aperture diameter) mag phot.mag;em.IR.NIR REAL(1)    
yAperMag6Err Error in point/extended source Y mag (5.7 arcsec aperture diameter) mag stat.error;phot.mag;em.IR.NIR REAL(1)    
yAperMagNoAperCorr3 Default extended source Y aperture mag (2.0 arcsec aperture diameter) mag phot.mag;em.IR.NIR REAL(1)    
yAperMagNoAperCorr4 Extended source Y aperture mag (2.8 arcsec aperture diameter) mag phot.mag;em.IR.NIR REAL(1)    
yAperMagNoAperCorr6 Extended source Y aperture mag (5.7 arcsec aperture diameter) mag phot.mag;em.IR.NIR REAL(1)    
yHlCorSMjRadAs Seeing corrected half-light semi-major axis in Y band arcsec phys.angSize;em.IR.NIR REAL(1)    
yGausig RMS of axes of ellipse fit in Y pixels src.morph.param;em.IR.NIR REAL(1)    
yEll 1-b/a where a/b=semi-major/minor axes in Y   src.ellipticity;em.IR.NIR REAL(1)    
yPA ellipse fit celestial orientation in Y Degrees pos.posAng;em.IR.NIR REAL(1)    
yErrBits processing warning/error bitwise flags in Y   meta.code;em.IR.NIR INT(1)    
yAverageConf average confidence in 2 arcsec diameter default aperture (aper3) Y   stat.likelihood;em.IR.NIR REAL(1)    
yClass discrete image classification flag in Y   src.class;em.IR.NIR SMALLINT(1)    
yClassStat N(0-1) stellarness-of-profile statistic in Y   stat;em.IR.NIR REAL(1)    
yppErrBits additional WFAU post-processing error bits in Y   meta.code;em.IR.NIR INT(1)    
ySeqNum the running number of the Y detection   meta.number;em.IR.NIR INT(1)    
yXi Offset of Y detection from master position (+east/-west) arcsec pos.eq.ra;arith.diff;em.IR.NIR REAL(1)    
yEta Offset of Y detection from master position (+north/-south) arcsec pos.eq.dec;arith.diff;em.IR.NIR REAL(1)    
jMjd Modified Julian Day in J band days time.epoch;em.IR.J FLOAT(1)    
jPetroMag Extended source J mag (Petrosian) mag phot.mag;em.IR.J REAL(1)    
jPetroMagErr Error in extended source J mag (Petrosian) mag stat.error;phot.mag;em.IR.J REAL(1)    
jAperMag3 Default point source J aperture corrected mag (2.0 arcsec aperture diameter) mag phot.mag;em.IR.J REAL(1)    
jAperMag3Err Error in default point/extended source J mag (2.0 arcsec aperture diameter) mag stat.error;phot.mag;em.IR.J REAL(1)    
jAperMag4 Point source J aperture corrected mag (2.8 arcsec aperture diameter) mag phot.mag;em.IR.J REAL(1)    
jAperMag4Err Error in point/extended source J mag (2.8 arcsec aperture diameter) mag stat.error;phot.mag;em.IR.J REAL(1)    
jAperMag6 Point source J aperture corrected mag (5.7 arcsec aperture diameter) mag phot.mag;em.IR.J REAL(1)    
jAperMag6Err Error in point/extended source J mag (5.7 arcsec aperture diameter) mag stat.error;phot.mag;em.IR.J REAL(1)    
jAperMagNoAperCorr3 Default extended source J aperture mag (2.0 arcsec aperture diameter) mag phot.mag;em.IR.J REAL(1)    
jAperMagNoAperCorr4 Extended source J aperture mag (2.8 arcsec aperture diameter) mag phot.mag;em.IR.J REAL(1)    
jAperMagNoAperCorr6 Extended source J aperture mag (5.7 arcsec aperture diameter) mag phot.mag;em.IR.J REAL(1)    
jHlCorSMjRadAs Seeing corrected half-light semi-major axis in J band arcsec phys.angSize;em.IR.J REAL(1)    
jGausig RMS of axes of ellipse fit in J pixels src.morph.param;em.IR.J REAL(1)    
jEll 1-b/a where a/b=semi-major/minor axes in J   src.ellipticity;em.IR.J REAL(1)    
jPA ellipse fit celestial orientation in J Degrees pos.posAng;em.IR.J REAL(1)    
jErrBits processing warning/error bitwise flags in J   meta.code;em.IR.J INT(1)    
jAverageConf average confidence in 2 arcsec diameter default aperture (aper3) J   stat.likelihood;em.IR.J REAL(1)    
jClass discrete image classification flag in J   src.class;em.IR.J SMALLINT(1)    
jClassStat N(0-1) stellarness-of-profile statistic in J   stat;em.IR.J REAL(1)    
jppErrBits additional WFAU post-processing error bits in J   meta.code;em.IR.J INT(1)    
jSeqNum the running number of the J detection   meta.number;em.IR.J INT(1)    
jXi Offset of J detection from master position (+east/-west) arcsec pos.eq.ra;arith.diff;em.IR.J REAL(1)    
jEta Offset of J detection from master position (+north/-south) arcsec pos.eq.dec;arith.diff;em.IR.J REAL(1)    
hMjd Modified Julian Day in H band days time.epoch;em.IR.H FLOAT(1)    
hPetroMag Extended source H mag (Petrosian) mag phot.mag;em.IR.H REAL(1)    
hPetroMagErr Error in extended source H mag (Petrosian) mag stat.error;phot.mag;em.IR.H REAL(1)    
hAperMag3 Default point source H aperture corrected mag (2.0 arcsec aperture diameter) mag phot.mag;em.IR.H REAL(1)    
hAperMag3Err Error in default point/extended source H mag (2.0 arcsec aperture diameter) mag stat.error;phot.mag;em.IR.H REAL(1)    
hAperMag4 Point source H aperture corrected mag (2.8 arcsec aperture diameter) mag phot.mag;em.IR.H REAL(1)    
hAperMag4Err Error in point/extended source H mag (2.8 arcsec aperture diameter) mag stat.error;phot.mag;em.IR.H REAL(1)    
hAperMag6 Point source H aperture corrected mag (5.7 arcsec aperture diameter) mag phot.mag;em.IR.H REAL(1)    
hAperMag6Err Error in point/extended source H mag (5.7 arcsec aperture diameter) mag stat.error;phot.mag;em.IR.H REAL(1)    
hAperMagNoAperCorr3 Default extended source H aperture mag (2.0 arcsec aperture diameter) mag phot.mag;em.IR.H REAL(1)    
hAperMagNoAperCorr4 Extended source H aperture mag (2.8 arcsec aperture diameter) mag phot.mag;em.IR.H REAL(1)    
hAperMagNoAperCorr6 Extended source H aperture mag (5.7 arcsec aperture diameter) mag phot.mag;em.IR.H REAL(1)    
hHlCorSMjRadAs Seeing corrected half-light semi-major axis in H band arcsec phys.angSize;em.IR.H REAL(1)    
hGausig RMS of axes of ellipse fit in H pixels src.morph.param;em.IR.H REAL(1)    
hEll 1-b/a where a/b=semi-major/minor axes in H   src.ellipticity;em.IR.H REAL(1)    
hPA ellipse fit celestial orientation in H Degrees pos.posAng;em.IR.H REAL(1)    
hErrBits processing warning/error bitwise flags in H   meta.code;em.IR.H INT(1)    
hAverageConf average confidence in 2 arcsec diameter default aperture (aper3) H   stat.likelihood;em.IR.H REAL(1)    
hClass discrete image classification flag in H   src.class;em.IR.H SMALLINT(1)    
hClassStat N(0-1) stellarness-of-profile statistic in H   stat;em.IR.H REAL(1)    
hppErrBits additional WFAU post-processing error bits in H   meta.code;em.IR.H INT(1)    
hSeqNum the running number of the H detection   meta.number;em.IR.H INT(1)    
hXi Offset of H detection from master position (+east/-west) arcsec pos.eq.ra;arith.diff;em.IR.H REAL(1)    
hEta Offset of H detection from master position (+north/-south) arcsec pos.eq.dec;arith.diff;em.IR.H REAL(1)    
ksMjd Modified Julian Day in Ks band days time.epoch;em.IR.K FLOAT(1)    
ksPetroMag Extended source Ks mag (Petrosian) mag phot.mag;em.IR.K REAL(1)    
ksPetroMagErr Error in extended source Ks mag (Petrosian) mag stat.error;phot.mag;em.IR.K REAL(1)    
ksAperMag3 Default point source Ks aperture corrected mag (2.0 arcsec aperture diameter) mag phot.mag;em.IR.K REAL(1)    
ksAperMag3Err Error in default point/extended source Ks mag (2.0 arcsec aperture diameter) mag stat.error;phot.mag;em.IR.K REAL(1)    
ksAperMag4 Point source Ks aperture corrected mag (2.8 arcsec aperture diameter) mag phot.mag;em.IR.K REAL(1)    
ksAperMag4Err Error in point/extended source Ks mag (2.8 arcsec aperture diameter) mag stat.error;phot.mag;em.IR.K REAL(1)    
ksAperMag6 Point source Ks aperture corrected mag (5.7 arcsec aperture diameter) mag phot.mag;em.IR.K REAL(1)    
ksAperMag6Err Error in point/extended source Ks mag (5.7 arcsec aperture diameter) mag stat.error;phot.mag;em.IR.K REAL(1)    
ksAperMagNoAperCorr3 Default extended source Ks aperture mag (2.0 arcsec aperture diameter) mag phot.mag;em.IR.K REAL(1)    
ksAperMagNoAperCorr4 Extended source Ks aperture mag (2.8 arcsec aperture diameter) mag phot.mag;em.IR.K REAL(1)    
ksAperMagNoAperCorr6 Extended source Ks aperture mag (5.7 arcsec aperture diameter) mag phot.mag;em.IR.K REAL(1)    
ksHlCorSMjRadAs Seeing corrected half-light semi-major axis in Ks band arcsec phys.angSize;em.IR.K REAL(1)    
ksGausig RMS of axes of ellipse fit in Ks pixels src.morph.param;em.IR.K REAL(1)    
ksEll 1-b/a where a/b=semi-major/minor axes in Ks   src.ellipticity;em.IR.K REAL(1)    
ksPA ellipse fit celestial orientation in Ks Degrees pos.posAng;em.IR.K REAL(1)    
ksErrBits processing warning/error bitwise flags in Ks   meta.code;em.IR.K INT(1)    
ksAverageConf average confidence in 2 arcsec diameter default aperture (aper3) Ks   stat.likelihood;em.IR.K REAL(1)    
ksClass discrete image classification flag in Ks   src.class;em.IR.K SMALLINT(1)    
ksClassStat N(0-1) stellarness-of-profile statistic in Ks   stat;em.IR.K REAL(1)    
ksppErrBits additional WFAU post-processing error bits in Ks   meta.code;em.IR.K INT(1)    
ksSeqNum the running number of the Ks detection   meta.number;em.IR.K INT(1)    
ksXi Offset of Ks detection from master position (+east/-west) arcsec pos.eq.ra;arith.diff;em.IR.K REAL(1)    
ksEta Offset of Ks detection from master position (+north/-south) arcsec pos.eq.dec;arith.diff;em.IR.K REAL(1)    

ext.viking_dr5

VISTA Kilo-degree Infrared Galaxy (VIKING) Survey Data Release 5
(94,819,861 rows, 226 columns)

Column Description Unit UCD1+ Datatype Principal? Indexed?
sourceID UID (unique over entire VSA via programme ID prefix) of this merged detection as assigned by merge algorithm   meta.id;meta.main BIGINT(1)    
cuEventID UID of curation event giving rise to this record   meta.bib INT(1)    
frameSetID UID of the set of frames that this merged source comes from   meta.bib BIGINT(1)    
raj2000 Celestial Right Ascension Degrees pos.eq.ra;meta.main FLOAT(1)    
dej2000 Celestial Declination Degrees pos.eq.dec;meta.main FLOAT(1)    
cx unit vector of spherical co-ordinates   pos.cartesian.x;pos.eq FLOAT(1)    
cy unit vector of spherical co-ordinates   pos.cartesian.y;pos.eq FLOAT(1)    
cz unit vector of spherical co-ordinates   pos.cartesian.z;pos.eq FLOAT(1)    
htmID Hierarchical Triangular Mesh (HTM) index (20 deep) for equatorial co-ordinates   pos.HTM BIGINT(1)    
l Galactic longitude Degrees pos.galactic.lon FLOAT(1)    
b Galactic latitude Degrees pos.galactic.lat FLOAT(1)    
lambda SDSS system spherical co-ordinate 1 Degrees pos FLOAT(1)    
eta SDSS system spherical co-ordinate 2 Degrees pos FLOAT(1)    
priOrSec Seam code for a unique (=0) or duplicated (!=0) source (eg. flags overlap duplicates).   meta.code BIGINT(1)    
zmyPnt Point source colour Z-Y (using aperMag3) mag phot.color;em.opt.I;em.IR.NIR REAL(1)    
zmyPntErr Error on point source colour Z-Y mag stat.error;em.opt.I;em.IR.NIR REAL(1)    
ymjPnt Point source colour Y-J (using aperMag3) mag phot.color;em.IR.NIR;em.IR.J REAL(1)    
ymjPntErr Error on point source colour Y-J mag stat.error;em.IR.NIR;em.IR.J REAL(1)    
jmhPnt Point source colour J-H (using aperMag3) mag phot.color;em.IR.J;em.IR.H REAL(1)    
jmhPntErr Error on point source colour J-H mag stat.error;em.IR.J;em.IR.H REAL(1)    
hmksPnt Point source colour H-Ks (using aperMag3) mag phot.color;em.IR.H;em.IR.K REAL(1)    
hmksPntErr Error on point source colour H-Ks mag stat.error;em.IR.H;em.IR.K REAL(1)    
j_1mhPnt Point source colour J_1-H (using aperMag3) mag phot.color;em.IR.J;em.IR.H REAL(1)    
j_1mhPntErr Error on point source colour J_1-H mag stat.error;em.IR.J;em.IR.H REAL(1)    
ymj_2Pnt Point source colour Y-J_2 (using aperMag3) mag phot.color;em.IR.NIR;em.IR.J REAL(1)    
ymj_2PntErr Error on point source colour Y-J_2 mag stat.error;em.IR.NIR;em.IR.J REAL(1)    
zmyExt Extended source colour Z-Y (using aperMagNoAperCorr3) mag phot.color;em.opt.I;em.IR.NIR REAL(1)    
zmyExtErr Error on extended source colour Z-Y mag stat.error;em.opt.I;em.IR.NIR REAL(1)    
ymjExt Extended source colour Y-J (using aperMagNoAperCorr3) mag phot.color;em.IR.NIR;em.IR.J REAL(1)    
ymjExtErr Error on extended source colour Y-J mag stat.error;em.IR.NIR;em.IR.J REAL(1)    
jmhExt Extended source colour J-H (using aperMagNoAperCorr3) mag phot.color;em.IR.J;em.IR.H REAL(1)    
jmhExtErr Error on extended source colour J-H mag stat.error;em.IR.J;em.IR.H REAL(1)    
hmksExt Extended source colour H-Ks (using aperMagNoAperCorr3) mag phot.color;em.IR.H;em.IR.K REAL(1)    
hmksExtErr Error on extended source colour H-Ks mag stat.error;em.IR.H;em.IR.K REAL(1)    
j_1mhExt Extended source colour J_1-H (using aperMagNoAperCorr3) mag phot.color;em.IR.J;em.IR.H REAL(1)    
j_1mhExtErr Error on extended source colour J_1-H mag stat.error;em.IR.J;em.IR.H REAL(1)    
ymj_2Ext Extended source colour Y-J_2 (using aperMagNoAperCorr3) mag phot.color;em.IR.NIR;em.IR.J REAL(1)    
ymj_2ExtErr Error on extended source colour Y-J_2 mag stat.error;em.IR.NIR;em.IR.J REAL(1)    
mergedClassStat Merged N(0-1) stellarness-of-profile statistic   stat REAL(1)    
mergedClass Class flag from available measurements (1|0|-1|-2|-3|-9=galaxy|noise|stellar|probableStar|probableGalaxy|saturated)   meta.code SMALLINT(1)    
pStar Probability that the source is a star   stat.probability REAL(1)    
pGalaxy Probability that the source is a galaxy   stat.probability REAL(1)    
pNoise Probability that the source is noise   stat.probability REAL(1)    
pSaturated Probability that the source is saturated   stat.probability REAL(1)    
eBV The galactic dust extinction value measured from the Schlegel Finkbeiner Davis (1998) maps. This uses the correction given in Bonifacio Monai Beers (2000). This correction reduces the extinction value in regions of high extinction (E(B-V)>0.1)   phys.absorption.gal REAL(1)    
aZ The galactic extinction correction in the Z band for extragalactic objects mag phys.absorption.gal REAL(1)    
aY The galactic extinction correction in the Y band for extragalactic objects mag phys.absorption.gal REAL(1)    
aJ The galactic extinction correction in the J band for extragalactic objects mag phys.absorption.gal REAL(1)    
aH The galactic extinction correction in the H band for extragalactic objects mag phys.absorption.gal REAL(1)    
aKs The galactic extinction correction in the Ks band for extragalactic objects mag phys.absorption.gal REAL(1)    
zMjd Modified Julian Day in Z band days time.epoch;em.opt.I FLOAT(1)    
zPetroMag Extended source Z mag (Petrosian) mag phot.mag;em.opt.I REAL(1)    
zPetroMagErr Error in extended source Z mag (Petrosian) mag stat.error;phot.mag;em.opt.I REAL(1)    
zAperMag3 Default point source Z aperture corrected mag (2.0 arcsec aperture diameter) mag phot.mag;em.opt.I REAL(1)    
zAperMag3Err Error in default point/extended source Z mag (2.0 arcsec aperture diameter) mag stat.error;phot.mag;em.opt.I REAL(1)    
zAperMag4 Point source Z aperture corrected mag (2.8 arcsec aperture diameter) mag phot.mag;em.opt.I REAL(1)    
zAperMag4Err Error in point/extended source Z mag (2.8 arcsec aperture diameter) mag stat.error;phot.mag;em.opt.I REAL(1)    
zAperMag6 Point source Z aperture corrected mag (5.7 arcsec aperture diameter) mag phot.mag;em.opt.I REAL(1)    
zAperMag6Err Error in point/extended source Z mag (5.7 arcsec aperture diameter) mag stat.error;phot.mag;em.opt.I REAL(1)    
zAperMagNoAperCorr3 Default extended source Z aperture mag (2.0 arcsec aperture diameter) mag phot.mag;em.opt.I REAL(1)    
zAperMagNoAperCorr4 Extended source Z aperture mag (2.8 arcsec aperture diameter) mag phot.mag;em.opt.I REAL(1)    
zAperMagNoAperCorr6 Extended source Z aperture mag (5.7 arcsec aperture diameter) mag phot.mag;em.opt.I REAL(1)    
zHlCorSMjRadAs Seeing corrected half-light semi-major axis in Z band arcsec phys.angSize;em.opt.I REAL(1)    
zGausig RMS of axes of ellipse fit in Z pixels src.morph.param;em.opt.I REAL(1)    
zEll 1-b/a where a/b=semi-major/minor axes in Z   src.ellipticity;em.opt.I REAL(1)    
zPA ellipse fit celestial orientation in Z Degrees pos.posAng;em.opt.I REAL(1)    
zErrBits processing warning/error bitwise flags in Z   meta.code;em.opt.I INT(1)    
zAverageConf average confidence in 2 arcsec diameter default aperture (aper3) Z   stat.likelihood;em.opt.I REAL(1)    
zClass discrete image classification flag in Z   src.class;em.opt.I SMALLINT(1)    
zClassStat N(0-1) stellarness-of-profile statistic in Z   stat;em.opt.I REAL(1)    
zppErrBits additional WFAU post-processing error bits in Z   meta.code;em.opt.I INT(1)    
zSeqNum the running number of the Z detection   meta.number;em.opt.I INT(1)    
zXi Offset of Z detection from master position (+east/-west) arcsec pos.eq.ra;arith.diff;em.opt.I REAL(1)    
zEta Offset of Z detection from master position (+north/-south) arcsec pos.eq.dec;arith.diff;em.opt.I REAL(1)    
yMjd Modified Julian Day in Y band days time.epoch;em.IR.NIR FLOAT(1)    
yPetroMag Extended source Y mag (Petrosian) mag phot.mag;em.IR.NIR REAL(1)    
yPetroMagErr Error in extended source Y mag (Petrosian) mag stat.error;phot.mag;em.IR.NIR REAL(1)    
yAperMag3 Default point source Y aperture corrected mag (2.0 arcsec aperture diameter) mag phot.mag;em.IR.NIR REAL(1)    
yAperMag3Err Error in default point/extended source Y mag (2.0 arcsec aperture diameter) mag stat.error;phot.mag;em.IR.NIR REAL(1)    
yAperMag4 Point source Y aperture corrected mag (2.8 arcsec aperture diameter) mag phot.mag;em.IR.NIR REAL(1)    
yAperMag4Err Error in point/extended source Y mag (2.8 arcsec aperture diameter) mag stat.error;phot.mag;em.IR.NIR REAL(1)    
yAperMag6 Point source Y aperture corrected mag (5.7 arcsec aperture diameter) mag phot.mag;em.IR.NIR REAL(1)    
yAperMag6Err Error in point/extended source Y mag (5.7 arcsec aperture diameter) mag stat.error;phot.mag;em.IR.NIR REAL(1)    
yAperMagNoAperCorr3 Default extended source Y aperture mag (2.0 arcsec aperture diameter) mag phot.mag;em.IR.NIR REAL(1)    
yAperMagNoAperCorr4 Extended source Y aperture mag (2.8 arcsec aperture diameter) mag phot.mag;em.IR.NIR REAL(1)    
yAperMagNoAperCorr6 Extended source Y aperture mag (5.7 arcsec aperture diameter) mag phot.mag;em.IR.NIR REAL(1)    
yHlCorSMjRadAs Seeing corrected half-light semi-major axis in Y band arcsec phys.angSize;em.IR.NIR REAL(1)    
yGausig RMS of axes of ellipse fit in Y pixels src.morph.param;em.IR.NIR REAL(1)    
yEll 1-b/a where a/b=semi-major/minor axes in Y   src.ellipticity;em.IR.NIR REAL(1)    
yPA ellipse fit celestial orientation in Y Degrees pos.posAng;em.IR.NIR REAL(1)    
yErrBits processing warning/error bitwise flags in Y   meta.code;em.IR.NIR INT(1)    
yAverageConf average confidence in 2 arcsec diameter default aperture (aper3) Y   stat.likelihood;em.IR.NIR REAL(1)    
yClass discrete image classification flag in Y   src.class;em.IR.NIR SMALLINT(1)    
yClassStat N(0-1) stellarness-of-profile statistic in Y   stat;em.IR.NIR REAL(1)    
yppErrBits additional WFAU post-processing error bits in Y   meta.code;em.IR.NIR INT(1)    
ySeqNum the running number of the Y detection   meta.number;em.IR.NIR INT(1)    
yXi Offset of Y detection from master position (+east/-west) arcsec pos.eq.ra;arith.diff;em.IR.NIR REAL(1)    
yEta Offset of Y detection from master position (+north/-south) arcsec pos.eq.dec;arith.diff;em.IR.NIR REAL(1)    
jMjd Modified Julian Day in J band days time.epoch;em.IR.J FLOAT(1)    
jPetroMag Extended source J mag (Petrosian) mag phot.mag;em.IR.J REAL(1)    
jPetroMagErr Error in extended source J mag (Petrosian) mag stat.error;phot.mag;em.IR.J REAL(1)    
jAperMag3 Default point source J aperture corrected mag (2.0 arcsec aperture diameter) mag phot.mag;em.IR.J REAL(1)    
jAperMag3Err Error in default point/extended source J mag (2.0 arcsec aperture diameter) mag stat.error;phot.mag;em.IR.J REAL(1)    
jAperMag4 Point source J aperture corrected mag (2.8 arcsec aperture diameter) mag phot.mag;em.IR.J REAL(1)    
jAperMag4Err Error in point/extended source J mag (2.8 arcsec aperture diameter) mag stat.error;phot.mag;em.IR.J REAL(1)    
jAperMag6 Point source J aperture corrected mag (5.7 arcsec aperture diameter) mag phot.mag;em.IR.J REAL(1)    
jAperMag6Err Error in point/extended source J mag (5.7 arcsec aperture diameter) mag stat.error;phot.mag;em.IR.J REAL(1)    
jAperMagNoAperCorr3 Default extended source J aperture mag (2.0 arcsec aperture diameter) mag phot.mag;em.IR.J REAL(1)    
jAperMagNoAperCorr4 Extended source J aperture mag (2.8 arcsec aperture diameter) mag phot.mag;em.IR.J REAL(1)    
jAperMagNoAperCorr6 Extended source J aperture mag (5.7 arcsec aperture diameter) mag phot.mag;em.IR.J REAL(1)    
jHlCorSMjRadAs Seeing corrected half-light semi-major axis in J band arcsec phys.angSize;em.IR.J REAL(1)    
jGausig RMS of axes of ellipse fit in J pixels src.morph.param;em.IR.J REAL(1)    
jEll 1-b/a where a/b=semi-major/minor axes in J   src.ellipticity;em.IR.J REAL(1)    
jPA ellipse fit celestial orientation in J Degrees pos.posAng;em.IR.J REAL(1)    
jErrBits processing warning/error bitwise flags in J   meta.code;em.IR.J INT(1)    
jAverageConf average confidence in 2 arcsec diameter default aperture (aper3) J   stat.likelihood;em.IR.J REAL(1)    
jClass discrete image classification flag in J   src.class;em.IR.J SMALLINT(1)    
jClassStat N(0-1) stellarness-of-profile statistic in J   stat;em.IR.J REAL(1)    
jppErrBits additional WFAU post-processing error bits in J   meta.code;em.IR.J INT(1)    
jSeqNum the running number of the J detection   meta.number;em.IR.J INT(1)    
jXi Offset of J detection from master position (+east/-west) arcsec pos.eq.ra;arith.diff;em.IR.J REAL(1)    
jEta Offset of J detection from master position (+north/-south) arcsec pos.eq.dec;arith.diff;em.IR.J REAL(1)    
j_1Mjd Modified Julian Day in J_1 band days time.epoch;em.IR.J FLOAT(1)    
j_1PetroMag Extended source J_1 mag (Petrosian) mag phot.mag;em.IR.J REAL(1)    
j_1PetroMagErr Error in extended source J_1 mag (Petrosian) mag stat.error;phot.mag;em.IR.J REAL(1)    
j_1AperMag3 Default point source J_1 aperture corrected mag (2.0 arcsec aperture diameter) mag phot.mag;em.IR.J REAL(1)    
j_1AperMag3Err Error in default point/extended source J_1 mag (2.0 arcsec aperture diameter) mag stat.error;phot.mag;em.IR.J REAL(1)    
j_1AperMag4 Point source J_1 aperture corrected mag (2.8 arcsec aperture diameter) mag phot.mag;em.IR.J REAL(1)    
j_1AperMag4Err Error in point/extended source J_1 mag (2.8 arcsec aperture diameter) mag stat.error;phot.mag;em.IR.J REAL(1)    
j_1AperMag6 Point source J_1 aperture corrected mag (5.7 arcsec aperture diameter) mag phot.mag;em.IR.J REAL(1)    
j_1AperMag6Err Error in point/extended source J_1 mag (5.7 arcsec aperture diameter) mag stat.error;phot.mag;em.IR.J REAL(1)    
j_1AperMagNoAperCorr3 Default extended source J_1 aperture mag (2.0 arcsec aperture diameter) mag phot.mag;em.IR.J REAL(1)    
j_1AperMagNoAperCorr4 Extended source J_1 aperture mag (2.8 arcsec aperture diameter) mag phot.mag;em.IR.J REAL(1)    
j_1AperMagNoAperCorr6 Extended source J_1 aperture mag (5.7 arcsec aperture diameter) mag phot.mag;em.IR.J REAL(1)    
j_1HlCorSMjRadAs Seeing corrected half-light semi-major axis in J_1 band arcsec phys.angSize;em.IR.J REAL(1)    
j_1Gausig RMS of axes of ellipse fit in J_1 pixels src.morph.param;em.IR.J REAL(1)    
j_1Ell 1-b/a where a/b=semi-major/minor axes in J_1   src.ellipticity;em.IR.J REAL(1)    
j_1PA ellipse fit celestial orientation in J_1 Degrees pos.posAng;em.IR.J REAL(1)    
j_1ErrBits processing warning/error bitwise flags in J_1   meta.code;em.IR.J INT(1)    
j_1AverageConf average confidence in 2 arcsec diameter default aperture (aper3) J_1   stat.likelihood;em.IR.J REAL(1)    
j_1Class discrete image classification flag in J_1   src.class;em.IR.J SMALLINT(1)    
j_1ClassStat N(0-1) stellarness-of-profile statistic in J_1   stat;em.IR.J REAL(1)    
j_1ppErrBits additional WFAU post-processing error bits in J_1   meta.code;em.IR.J INT(1)    
j_1SeqNum the running number of the J_1 detection   meta.number;em.IR.J INT(1)    
j_1Xi Offset of J_1 detection from master position (+east/-west) arcsec pos.eq.ra;arith.diff;em.IR.J REAL(1)    
j_1Eta Offset of J_1 detection from master position (+north/-south) arcsec pos.eq.dec;arith.diff;em.IR.J REAL(1)    
j_2Mjd Modified Julian Day in J_2 band days time.epoch;em.IR.J FLOAT(1)    
j_2PetroMag Extended source J_2 mag (Petrosian) mag phot.mag;em.IR.J REAL(1)    
j_2PetroMagErr Error in extended source J_2 mag (Petrosian) mag stat.error;phot.mag;em.IR.J REAL(1)    
j_2AperMag3 Default point source J_2 aperture corrected mag (2.0 arcsec aperture diameter) mag phot.mag;em.IR.J REAL(1)    
j_2AperMag3Err Error in default point/extended source J_2 mag (2.0 arcsec aperture diameter) mag stat.error;phot.mag;em.IR.J REAL(1)    
j_2AperMag4 Point source J_2 aperture corrected mag (2.8 arcsec aperture diameter) mag phot.mag;em.IR.J REAL(1)    
j_2AperMag4Err Error in point/extended source J_2 mag (2.8 arcsec aperture diameter) mag stat.error;phot.mag;em.IR.J REAL(1)    
j_2AperMag6 Point source J_2 aperture corrected mag (5.7 arcsec aperture diameter) mag phot.mag;em.IR.J REAL(1)    
j_2AperMag6Err Error in point/extended source J_2 mag (5.7 arcsec aperture diameter) mag stat.error;phot.mag;em.IR.J REAL(1)    
j_2AperMagNoAperCorr3 Default extended source J_2 aperture mag (2.0 arcsec aperture diameter) mag phot.mag;em.IR.J REAL(1)    
j_2AperMagNoAperCorr4 Extended source J_2 aperture mag (2.8 arcsec aperture diameter) mag phot.mag;em.IR.J REAL(1)    
j_2AperMagNoAperCorr6 Extended source J_2 aperture mag (5.7 arcsec aperture diameter) mag phot.mag;em.IR.J REAL(1)    
j_2HlCorSMjRadAs Seeing corrected half-light semi-major axis in J_2 band arcsec phys.angSize;em.IR.J REAL(1)    
j_2Gausig RMS of axes of ellipse fit in J_2 pixels src.morph.param;em.IR.J REAL(1)    
j_2Ell 1-b/a where a/b=semi-major/minor axes in J_2   src.ellipticity;em.IR.J REAL(1)    
j_2PA ellipse fit celestial orientation in J_2 Degrees pos.posAng;em.IR.J REAL(1)    
j_2ErrBits processing warning/error bitwise flags in J_2   meta.code;em.IR.J INT(1)    
j_2AverageConf average confidence in 2 arcsec diameter default aperture (aper3) J_2   stat.likelihood;em.IR.J REAL(1)    
j_2Class discrete image classification flag in J_2   src.class;em.IR.J SMALLINT(1)    
j_2ClassStat N(0-1) stellarness-of-profile statistic in J_2   stat;em.IR.J REAL(1)    
j_2ppErrBits additional WFAU post-processing error bits in J_2   meta.code;em.IR.J INT(1)    
j_2SeqNum the running number of the J_2 detection   meta.number;em.IR.J INT(1)    
j_2Xi Offset of J_2 detection from master position (+east/-west) arcsec pos.eq.ra;arith.diff;em.IR.J REAL(1)    
j_2Eta Offset of J_2 detection from master position (+north/-south) arcsec pos.eq.dec;arith.diff;em.IR.J REAL(1)    
hMjd Modified Julian Day in H band days time.epoch;em.IR.H FLOAT(1)    
hPetroMag Extended source H mag (Petrosian) mag phot.mag;em.IR.H REAL(1)    
hPetroMagErr Error in extended source H mag (Petrosian) mag stat.error;phot.mag;em.IR.H REAL(1)    
hAperMag3 Default point source H aperture corrected mag (2.0 arcsec aperture diameter) mag phot.mag;em.IR.H REAL(1)    
hAperMag3Err Error in default point/extended source H mag (2.0 arcsec aperture diameter) mag stat.error;phot.mag;em.IR.H REAL(1)    
hAperMag4 Point source H aperture corrected mag (2.8 arcsec aperture diameter) mag phot.mag;em.IR.H REAL(1)    
hAperMag4Err Error in point/extended source H mag (2.8 arcsec aperture diameter) mag stat.error;phot.mag;em.IR.H REAL(1)    
hAperMag6 Point source H aperture corrected mag (5.7 arcsec aperture diameter) mag phot.mag;em.IR.H REAL(1)    
hAperMag6Err Error in point/extended source H mag (5.7 arcsec aperture diameter) mag stat.error;phot.mag;em.IR.H REAL(1)    
hAperMagNoAperCorr3 Default extended source H aperture mag (2.0 arcsec aperture diameter) mag phot.mag;em.IR.H REAL(1)    
hAperMagNoAperCorr4 Extended source H aperture mag (2.8 arcsec aperture diameter) mag phot.mag;em.IR.H REAL(1)    
hAperMagNoAperCorr6 Extended source H aperture mag (5.7 arcsec aperture diameter) mag phot.mag;em.IR.H REAL(1)    
hHlCorSMjRadAs Seeing corrected half-light semi-major axis in H band arcsec phys.angSize;em.IR.H REAL(1)    
hGausig RMS of axes of ellipse fit in H pixels src.morph.param;em.IR.H REAL(1)    
hEll 1-b/a where a/b=semi-major/minor axes in H   src.ellipticity;em.IR.H REAL(1)    
hPA ellipse fit celestial orientation in H Degrees pos.posAng;em.IR.H REAL(1)    
hErrBits processing warning/error bitwise flags in H   meta.code;em.IR.H INT(1)    
hAverageConf average confidence in 2 arcsec diameter default aperture (aper3) H   stat.likelihood;em.IR.H REAL(1)    
hClass discrete image classification flag in H   src.class;em.IR.H SMALLINT(1)    
hClassStat N(0-1) stellarness-of-profile statistic in H   stat;em.IR.H REAL(1)    
hppErrBits additional WFAU post-processing error bits in H   meta.code;em.IR.H INT(1)    
hSeqNum the running number of the H detection   meta.number;em.IR.H INT(1)    
hXi Offset of H detection from master position (+east/-west) arcsec pos.eq.ra;arith.diff;em.IR.H REAL(1)    
hEta Offset of H detection from master position (+north/-south) arcsec pos.eq.dec;arith.diff;em.IR.H REAL(1)    
ksMjd Modified Julian Day in Ks band days time.epoch;em.IR.K FLOAT(1)    
ksPetroMag Extended source Ks mag (Petrosian) mag phot.mag;em.IR.K REAL(1)    
ksPetroMagErr Error in extended source Ks mag (Petrosian) mag stat.error;phot.mag;em.IR.K REAL(1)    
ksAperMag3 Default point source Ks aperture corrected mag (2.0 arcsec aperture diameter) mag phot.mag;em.IR.K REAL(1)    
ksAperMag3Err Error in default point/extended source Ks mag (2.0 arcsec aperture diameter) mag stat.error;phot.mag;em.IR.K REAL(1)    
ksAperMag4 Point source Ks aperture corrected mag (2.8 arcsec aperture diameter) mag phot.mag;em.IR.K REAL(1)    
ksAperMag4Err Error in point/extended source Ks mag (2.8 arcsec aperture diameter) mag stat.error;phot.mag;em.IR.K REAL(1)    
ksAperMag6 Point source Ks aperture corrected mag (5.7 arcsec aperture diameter) mag phot.mag;em.IR.K REAL(1)    
ksAperMag6Err Error in point/extended source Ks mag (5.7 arcsec aperture diameter) mag stat.error;phot.mag;em.IR.K REAL(1)    
ksAperMagNoAperCorr3 Default extended source Ks aperture mag (2.0 arcsec aperture diameter) mag phot.mag;em.IR.K REAL(1)    
ksAperMagNoAperCorr4 Extended source Ks aperture mag (2.8 arcsec aperture diameter) mag phot.mag;em.IR.K REAL(1)    
ksAperMagNoAperCorr6 Extended source Ks aperture mag (5.7 arcsec aperture diameter) mag phot.mag;em.IR.K REAL(1)    
ksHlCorSMjRadAs Seeing corrected half-light semi-major axis in Ks band arcsec phys.angSize;em.IR.K REAL(1)    
ksGausig RMS of axes of ellipse fit in Ks pixels src.morph.param;em.IR.K REAL(1)    
ksEll 1-b/a where a/b=semi-major/minor axes in Ks   src.ellipticity;em.IR.K REAL(1)    
ksPA ellipse fit celestial orientation in Ks Degrees pos.posAng;em.IR.K REAL(1)    
ksErrBits processing warning/error bitwise flags in Ks   meta.code;em.IR.K INT(1)    
ksAverageConf average confidence in 2 arcsec diameter default aperture (aper3) Ks   stat.likelihood;em.IR.K REAL(1)    
ksClass discrete image classification flag in Ks   src.class;em.IR.K SMALLINT(1)    
ksClassStat N(0-1) stellarness-of-profile statistic in Ks   stat;em.IR.K REAL(1)    
ksppErrBits additional WFAU post-processing error bits in Ks   meta.code;em.IR.K INT(1)    
ksSeqNum the running number of the Ks detection   meta.number;em.IR.K INT(1)    
ksXi Offset of Ks detection from master position (+east/-west) arcsec pos.eq.ra;arith.diff;em.IR.K REAL(1)    
ksEta Offset of Ks detection from master position (+north/-south) arcsec pos.eq.dec;arith.diff;em.IR.K REAL(1)    
dr1_id object_id of nearest SkyMapper source from the DR1 master table   meta.id.cross long(1)
dr1_dist Angular distance to nearest SkyMapper DR1 source arcsec pos.angDistance double(1)  
dr2_id object_id of nearest SkyMapper source from the DR2 master table   meta.id.cross long(1)
dr2_dist Angular distance to nearest SkyMapper DR2 source arcsec pos.angDistance double(1)  
dr3_id object_id of nearest SkyMapper source from the DR3 master table   meta.id.cross long(1)
dr3_dist Angular distance to nearest SkyMapper DR3 source arcsec pos.angDistance double(1)  
dr4_id object_id of nearest SkyMapper source from the DR4 master table   meta.id.cross long(1)
dr4_dist Angular distance to nearest SkyMapper DR4 source arcsec pos.angDistance double(1)  

ext.vsx_20230626

AAVSO International Variable Star Index (VSX). 2023-06-26 version.
(2,277,328 rows, 29 columns)

Column Description Unit UCD1+ Datatype Principal? Indexed?
OID Internal identifier, can be used to link out to the VSX database -- meta.id int(1)    
Name Variable star identifier -- meta.id;meta.main varchar(1)  ✓  
RAJ2000 Right ascension (J2000) deg pos.eq.ra;meta.main double(1)  ✓  
DEJ2000 Declination (J2000) deg pos.eq.dec;meta.main double(1)  ✓  
V Variability flag [0,3] -- meta.note short(1)    
Type Variability type, as in GCVS catalog -- meta.note;src.var varchar(1)    
l_max Limit flag on max -- meta.code.error varchar(1)    
max Magnitude at maximum, or amplitude mag phot.mag double(1)    
u_max Uncertainty flag on max -- meta.code.error varchar(1)    
n_max Passband on max magnitude -- meta.note varchar(1)    
f_min [(] "(" indicates an amplitude -- meta.code varchar(1)    
l_min Limit flag on min -- meta.code.error varchar(1)    
min Magnitude at minimum, or amplitude mag phot.mag double(1)    
u_min Uncertainty flag on min -- meta.code.error varchar(1)    
n_min Passband on min magnitude -- meta.note varchar(1)    
Epoch Epoch of maximum or minimum (HJD) d time.epoch double(1)    
u_Epoch [:)] Uncertainty flag (:) on epoch -- meta.code.error;time.epoch varchar(1)    
l_Period [<>(] Limit flag on period -- meta.code.error;time.epoch varchar(1)    
Period Period of the variable in days d time.period double(1)    
u_Period [:)*/N2 ] Uncertainty flag on Period -- meta.code.error;time.period varchar(1)    
sp Spectral type -- meta.note;src.spType varchar(1)    
dr2_id object_id of nearest SkyMapper DR2 source from master table -- meta.id.cross long(1)  ✓  ✓
dr2_dist Angular distance to nearest SkyMapper DR2 source arcsec pos.angDistance real(1)  ✓  
dr3_id object_id of nearest SkyMapper DR3 source from master table -- meta.id.cross long(1)  ✓  ✓
dr3_dist Angular distance to nearest SkyMapper DR3 source arcsec pos.angDistance real(1)  ✓  
dr4_id object_id of nearest SkyMapper DR4 source from master table -- meta.id.cross long(1)  ✓  ✓
dr4_dist Angular distance to nearest SkyMapper DR4 source arcsec pos.angDistance real(1)  ✓  

ext.yale_bsc

Yale Bright Star Catalog
(9,110 rows, 20 columns)

ColumnDescriptionUnitUCD1+DatatypePrincipal?Indexed?
raj2000 J2000 Right Ascension of the object deg pos.eq.ra;meta.main;stat.mean real(1)
dej2000 J2000 Declination of the object deg pos.eq.ra;meta.main;stat.mean real(1)
recno Unique record number -- meta.id;meta.main int(1)
hr Harvard Revised Number -- meta.id;meta.main int(1)    
name Name, generally Bayer and/or Flamsteed name -- meta.id;meta.main varchar(1)    
dm Durchmusterung Identification -- meta.id;meta.main varchar(1)    
hd Henry Draper Catalog Number -- meta.id;meta.main int(1)    
sao SAO Catalog Number -- meta.id;meta.main int(1)    
fks FK5 Star Number -- meta.id;meta.main int(1)    
ads Aitken Double Star Catalog designation -- meta.id;meta.main varchar(1)    
varid Variable star identification -- meta.id;meta.main varchar(1)    
vmag Visual magnitude mag phot.mag;src real(1)
bmv B-V color in the UBV system mag phot.color;src real(1)    
umb U-B color in the UBV system mag phot.color;src real(1)    
sptype Spectral type -- src.spType varchar(1)    
pmra Annual proper motion in RA J2000, FK5 system arcsec/year pos.pm real(1)    
pmde Annual proper motion in Dec J2000, FK5 system arcsec/year pos.pm real(1)    
parallax Parallax arcsec pos.parallax real(1)    
gaia_dr1_id Gaia DR1 source_id best matching this source -- meta.id.cross long(1)    
gaia_dr1_dist Distance on sky to closest Gaia DR1 source arcsec pos.angDistance real(1)