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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179831501 (SMSS J172534.56-203451.4)

Find on Search these coordinates on SIMBAD   

Data releaseDR4
RA (deg)261.3940
Dec (deg)-20.5809
Galactic lon. (deg)4.6343
Galactic lat. (deg)8.3143
E(B-V) (SFD98) (mag)0.622
E(B-V) (GNILC) (mag)0.484 ± 0.022
Nearest DR4 source 2268064368 (4.9 arcs away)
2nd-nearest DR4 source 179831500 (5.0 arcs away)
3rd-nearest DR4 source 179831277 (6.4 arcs away)
Times observed2
Total bad pixels0
Observing flags1

Magnitudes

Filter u v g r i z
PSF mag. 18.205 ± 0.274 18.148 ± 0.246
Petrosian mag. 17.702 ± 0.112 18.021 ± 0.148

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)
i 20150901084153 18.362 ± 0.075 1,0 100 2
z 20150901084353 18.217 ± 0.109 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.53 1.72
GAIA source ID 4121221716959742592 4121221716959743872
Bp mag. 20.403 20.323
G mag. 19.753 19.815
Rp mag. 18.413 19.052
Bp/Rp excess 1.844 1.304
Parallax (mas) -4.201 ± 0.938 -0.013 ± 0.460
PM RA (mas/yr) 2.795 ± 1.289 -2.893 ± 0.628
PM Dec (mas/yr) -3.926 ± 0.819 -8.359 ± 0.404
A.E.N. (mas) 5.989 ± 43.014 1.417 ± 2.401

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 20.799 ± 0.019
r 19.542 ± 0.006
i 18.971 ± 0.014
z 18.649 ± 0.015
Y -- ± --
J 17.057 ± 0.025
H -- ± --
K 16.223 ± 0.041
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.