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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179794896 (SMSS J172519.80-205659.4)

Find on Search these coordinates on SIMBAD   

Data releaseDR4
RA (deg)261.332
Dec (deg)-20.950
Galactic lon. (deg)4.290
Galactic lat. (deg)8.160
E(B-V) (SFD98) (mag)0.823
E(B-V) (GNILC) (mag)0.747 ± 0.036
Nearest DR4 source 179794891 (5.9 arcs away)
2nd-nearest DR4 source 179794895 (6.8 arcs away)
3rd-nearest DR4 source 179794897 (6.9 arcs away)
Times observed24
Total bad pixels0
Observing flags0

Magnitudes

Filter u v g r i z
PSF mag. 19.483 ± 0.045 18.549 ± 0.060 17.809 ± 0.042 17.457 ± 0.035
Petrosian mag. 18.944 ± 0.173 18.128 ± 0.082 17.376 ± 0.137 17.179 ± 0.074

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 19.509 ± 0.066 0,0 100 2
g 20190506165109 19.440 ± 0.060 0,0 100 2
g 20190507143127 19.598 ± 0.062 24,8 100 2
g 20190822094124 19.474 ± 0.069 0,0 100 2
r 20190505165926 18.496 ± 0.056 0,0 100 2
r 20190506165309 18.548 ± 0.051 0,0 100 2
r 20190507143327 18.519 ± 0.047 27,12 100 2
r 20190822094324 18.611 ± 0.058 0,0 100 2
i 20140722114229 17.676 ± 0.099 0,0 10 2
i 20140729111202 17.899 ± 0.115 0,0 10 2
i 20150901084153 17.783 ± 0.050 0,0 100 2
i 20150901084554 17.802 ± 0.048 0,0 100 2
i 20190419150817 17.859 ± 0.071 0,0 100 2
i 20190505170526 17.774 ± 0.049 0,0 100 2
i 20190508164002 17.752 ± 0.054 0,0 100 2
i 20190720124743 17.890 ± 0.070 0,0 100 2
z 20140722114259 17.615 ± 0.117 0,0 20 2
z 20140729111235 17.4 ± 0.097 0,0 20 2
z 20150901084353 17.392 ± 0.056 0,0 100 2
z 20150901084754 17.393 ± 0.057 0,0 100 2
z 20160420170204 17.209 ± 0.101 0,0 20 2
z 20190419151018 17.442 ± 0.072 0,0 100 2
z 20190505170726 17.405 ± 0.062 0,0 100 2
z 20190508164202 17.368 ± 0.061 0,0 100 2
z 20190720124943 17.520 ± 0.077 0,0 100 2
z 20200513183957 17.365 ± 0.074 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.78 0.88
GAIA source ID 4121112693522318848 4121112693567061632
Bp mag. -- 19.595
G mag. 20.119 19.727
Rp mag. -- 17.683
Bp/Rp excess -- 3.585
Parallax (mas) -0.295 ± 0.639 -- ± --
PM RA (mas/yr) -5.223 ± 0.727 -- ± --
PM Dec (mas/yr) -3.212 ± 0.512 -- ± --
A.E.N. (mas) 0.766 ± 0.403 7.303 ± 48.946

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 19.444 ± 0.033
r 18.244 ± 0.009
i 17.654 ± 0.012
z 17.381 ± 0.012
Y -- ± --
J 16.629 ± 0.017
H -- ± --
K 15.853 ± 0.030
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.