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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179851322 (SMSS J172729.68-203639.7)

Find on Search these coordinates on SIMBAD   

Data releaseDR4
RA (deg)261.874
Dec (deg)-20.611
Galactic lon. (deg)4.856
Galactic lat. (deg)7.922
E(B-V) (SFD98) (mag)0.764
E(B-V) (GNILC) (mag)0.616 ± 0.030
Nearest DR4 source 179851323 (4.6 arcs away)
2nd-nearest DR4 source 179851754 (6.6 arcs away)
3rd-nearest DR4 source 179851321 (9.8 arcs away)
Times observed16
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. 19.585 ± 0.029 18.866 ± 0.023 18.331 ± 0.033 18.072 ± 0.036
Petrosian mag. 19.390 ± 0.207 18.916 ± 0.049 18.447 ± 0.059 18.417 ± 0.116

2 x 2 arcmin

Image cutouts

See all image cutouts for this object here.
Images shown are the best images available from DR4, as determined by their coverage and approximate photometric zero-point.

Photometry measurements

Filter Image ID Magnitude (APC05) Flags Exp time (s) Image Quality
(1=best to 3)
g 20190505165725 19.613 ± 0.065 2,0 100 2
g 20190506165109 19.519 ± 0.058 3,0 100 2
g 20190507143127 19.630 ± 0.080 0,0 100 2
g 20190822094124 19.653 ± 0.065 0,0 100 2
r 20190505165926 18.861 ± 0.063 0,0 100 2
r 20190506165309 18.816 ± 0.059 3,0 100 2
r 20190507143327 18.793 ± 0.068 2,0 100 2
r 20190822094324 18.904 ± 0.061 2,0 100 2
i 20140722114229 18.103 ± 0.135 0,0 10 2
i 20150901084153 18.344 ± 0.074 0,0 100 2
i 20190505170526 18.215 ± 0.066 0,0 100 2
i 20190509140533 18.330 ± 0.086 2,0 100 2
i 20190720124743 18.380 ± 0.093 0,0 100 2
z 20140722114259 18.053 ± 0.166 0,0 20 2
z 20150901084353 18.152 ± 0.104 0,0 100 2
z 20190505170726 18.137 ± 0.110 1024,0 100 2
z 20190508164202 18.041 ± 0.110 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.34 0.99
GAIA source ID 4121036101376561664 4121036105688877440
Bp mag. 19.453 --
G mag. 19.037 20.424
Rp mag. 17.952 --
Bp/Rp excess 1.637 --
Parallax (mas) 0.495 ± 0.276 -- ± --
PM RA (mas/yr) -2.767 ± 0.314 -- ± --
PM Dec (mas/yr) -2.419 ± 0.227 -- ± --
A.E.N. (mas) 0.0 ± 0.0 0.327 ± 0.026

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 19.587 ± 0.014
r 18.633 ± 0.004
i 18.041 ± 0.011
z 17.933 ± 0.013
Y -- ± --
J 17.175 ± 0.032
H -- ± --
K 16.731 ± 0.074
W1 -- ± --
W2 -- ± --
W3 -- ± --
W4 -- ± --
1Magnitude sources
FUV/NUV: AB mag (calibrated) from GALEX
ugriz: AB mag (Kron) from NOAO Source Catalog
YJHK: Vega mag from VISTA (2" aperture) or 2MASS PSC
W1-W4: Vega mag from CatWISE2020 or AllWISE (profile mag). No error value means the stated value is an upper limit.