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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179803992 (SMSS J172538.24-205409.0)

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Data releaseDR4
RA (deg)261.409
Dec (deg)-20.902
Galactic lon. (deg)4.370
Galactic lat. (deg)8.126
E(B-V) (SFD98) (mag)0.819
E(B-V) (GNILC) (mag)0.798 ± 0.036
Nearest DR4 source 2268035240 (1.4 arcs away)
2nd-nearest DR4 source 179803993 (7.5 arcs away)
3rd-nearest DR4 source 2268035330 (8.1 arcs away)
Times observed10
Total bad pixels0
Observing flags19

Magnitudes

Filter u v g r i z
PSF mag. 18.791 ± -- 18.334 ± 0.190 17.232 ± 0.176 16.884 ± 0.127
Petrosian mag. 18.337 ± -- 18.072 ± 0.075 16.870 ± 0.070 16.438 ± 0.085

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 20190506165109 19.449 ± 0.060 19,0 100 2
r 20190505165926 18.458 ± 0.054 3,0 100 2
r 20190506165309 18.449 ± 0.047 19,0 100 2
i 20150901084153 17.618 ± 0.045 3,0 100 2
i 20150901084554 17.597 ± 0.043 3,0 100 2
i 20190505170526 17.602 ± 0.045 3,0 100 2
z 20140722114259 17.634 ± 0.118 2,0 20 2
z 20140729111235 17.25 ± 0.086 1,0 20 2
z 20150901084353 17.173 ± 0.048 3,0 100 2
z 20150901084754 17.239 ± 0.051 3,0 100 2
z 20190505170726 17.204 ± 0.054 3,0 100 2
z 20190508164202 17.169 ± 0.053 3,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 1.39 1.79
GAIA source ID 4120931372883476352 4120931411567907200
Bp mag. 19.761 19.782
G mag. 18.760 19.048
Rp mag. 17.777 17.796
Bp/Rp excess 1.329 1.702
Parallax (mas) 0.406 ± 0.200 -1.496 ± 0.545
PM RA (mas/yr) -3.535 ± 0.249 -1.837 ± 0.629
PM Dec (mas/yr) -1.181 ± 0.176 -2.761 ± 0.441
A.E.N. (mas) 0.359 ± 0.637 3.443 ± 38.307

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 20.477 ± 0.013
r 19.013 ± 0.004
i 18.293 ± 0.008
z 17.854 ± 0.008
Y -- ± --
J 16.104 ± 0.011
H -- ± --
K 15.172 ± 0.016
W1 14.807 ± 0.021
W2 15.227 ± 0.06
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.