Log-in to SkyMapper

Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179805320 (SMSS J172549.79-205142.0)

Find on Search these coordinates on SIMBAD   

Data releaseDR4
RA (deg)261.458
Dec (deg)-20.862
Galactic lon. (deg)4.430
Galactic lat. (deg)8.111
E(B-V) (SFD98) (mag)0.916
E(B-V) (GNILC) (mag)0.871 ± 0.049
Nearest DR4 source 179805321 (5.5 arcs away)
2nd-nearest DR4 source 179805314 (7.8 arcs away)
3rd-nearest DR4 source 179805313 (10.4 arcs away)
Times observed21
Total bad pixels1
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 19.593 ± 0.114 18.741 ± 0.092 18.138 ± 0.059 17.843 ± 0.035
Petrosian mag. — — 19.047 ± 0.107 17.934 ± 0.058 17.505 ± 0.089 17.095 ± 0.160

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 19.829 ± 0.085 0,0 100 2
g 20190506165109 19.836 ± 0.076 1,0 100 2
g 20190507143127 19.722 ± 0.071 1,0 100 2
r 20190505165926 18.844 ± 0.07 1,0 100 2
r 20190506165309 18.917 ± 0.063 3,0 100 2
r 20190507143327 18.860 ± 0.058 3,0 100 2
r 20190822094324 18.895 ± 0.071 3,0 100 2
i 20140722114229 18.164 ± 0.145 0,0 10 2
i 20140729111202 18.325 ± 0.161 0,0 10 2
i 20150901084153 18.304 ± 0.072 3,0 100 2
i 20150901084554 18.102 ± 0.056 1,0 100 2
i 20190505170526 18.062 ± 0.060 1,0 100 2
i 20190508164002 18.204 ± 0.074 1,0 100 2
i 20190720124743 18.191 ± 0.082 3,0 100 2
z 20140729111235 18.185 ± 0.184 0,1 20 2
z 20150901084353 17.884 ± 0.082 1,0 100 2
z 20150901084754 17.924 ± 0.082 3,0 100 2
z 20160420170204 18.237 ± 0.234 0,0 20 2
z 20190505170726 17.761 ± 0.081 1,0 100 2
z 20190508164202 17.952 ± 0.097 0,0 100 2
z 20190720124943 17.780 ± 0.090 1,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.79 2.56
GAIA source ID 4120931961325617920 4120931961326896128
Bp mag. 19.665 20.694
G mag. 18.750 19.934
Rp mag. 17.862 18.920
Bp/Rp excess 1.266 1.432
Parallax (mas) 0.467 ± 0.194 0.055 ± 0.485
PM RA (mas/yr) -0.501 ± 0.250 -0.845 ± 0.619
PM Dec (mas/yr) -3.953 ± 0.168 -3.743 ± 0.423
A.E.N. (mas) 0.0 ± 0.0 0.882 ± 0.817

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 20.058 ± 0.012
r 18.929 ± 0.004
i 18.346 ± 0.009
z 17.995 ± 0.010
Y -- ± --
J 16.524 ± 0.018
H -- ± --
K 15.850 ± 0.034
W1 16.167 ± 0.153
W2 17.33 ± 0.48
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.