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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179837611 (SMSS J172506.90-202157.7)

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Data releaseDR4
RA (deg)261.2787
Dec (deg)-20.3660
Galactic lon. (deg)4.7563
Galactic lat. (deg)8.5224
E(B-V) (SFD98) (mag)0.664
E(B-V) (GNILC) (mag)0.560 ± 0.028
Nearest DR4 source 2268071018 (5.1 arcs away)
2nd-nearest DR4 source 179837610 (6.8 arcs away)
3rd-nearest DR4 source 179837608 (10.7 arcs away)
Times observed37
Total bad pixels0
Observing flags1

Magnitudes

Filter u v g r i z
PSF mag. — — 18.950 ± 0.058 18.182 ± 0.063 17.442 ± 0.032 17.073 ± 0.025
Petrosian mag. — — 18.442 ± 0.133 17.529 ± 0.127 17.050 ± 0.058 16.910 ± 0.049

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 18.996 ± 0.05 0,0 100 2
g 20190506165109 18.949 ± 0.041 0,0 100 2
g 20190507143127 18.999 ± 0.053 1,0 100 2
g 20190822094124 18.982 ± 0.048 1,0 100 2
r 20140722114203 18.339 ± 0.143 0,0 5 2
r 20140729111131 18.060 ± 0.109 0,0 5 2
r 20190505165926 18.126 ± 0.048 0,0 100 2
r 20190506165309 18.036 ± 0.038 1,0 100 2
r 20190507143327 18.094 ± 0.046 1,0 100 2
r 20190822094324 18.079 ± 0.046 1,0 100 2
i 20140719115004 17.605 ± 0.101 0,0 10 2
i 20140722114229 17.399 ± 0.078 0,0 10 2
i 20140729111202 17.317 ± 0.074 0,0 10 2
i 20150901084153 17.336 ± 0.041 0,0 100 2
i 20150901084554 17.329 ± 0.041 0,0 100 2
i 20160420170134 17.333 ± 0.088 0,0 10 2
i 20180804082838 17.398 ± 0.047 0,0 100 2
i 20190505170526 17.329 ± 0.043 0,0 100 2
i 20190508164002 17.43 ± 0.050 0,0 100 2
i 20190509140533 17.408 ± 0.047 1,0 100 2
i 20190720124743 17.343 ± 0.067 0,0 100 2
i 20200513170714 17.476 ± 0.052 0,0 100 2
i 20200513190610 17.511 ± 0.051 0,0 100 2
i 20210407183626 17.432 ± 0.099 0,0 10 2
z 20140719115035 17.159 ± 0.095 0,0 20 2
z 20140722114259 16.981 ± 0.069 0,0 20 2
z 20140729111235 16.997 ± 0.070 0,0 20 2
z 20150901084353 16.950 ± 0.045 0,0 100 2
z 20150901084754 16.946 ± 0.047 0,0 100 2
z 20160420170204 16.978 ± 0.084 0,0 20 2
z 20180804083039 17.138 ± 0.056 0,0 100 2
z 20190505170726 16.921 ± 0.048 0,0 100 2
z 20190508164202 17.007 ± 0.050 0,0 100 2
z 20190509140733 17.072 ± 0.058 0,0 100 2
z 20190720124943 16.981 ± 0.067 0,0 100 2
z 20200513170916 17.101 ± 0.054 0,0 100 2
z 20200513190811 17.048 ± 0.062 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 1.02 1.05
GAIA source ID 4121239888969590912 4121239893272165248
Bp mag. 19.319 --
G mag. 18.630 19.327
Rp mag. 17.453 --
Bp/Rp excess 1.629 --
Parallax (mas) -0.006 ± 0.179 1.244 ± 0.661
PM RA (mas/yr) -3.953 ± 0.245 -7.751 ± 0.885
PM Dec (mas/yr) -7.932 ± 0.155 -5.806 ± 0.557
A.E.N. (mas) 0.0 ± 0.0 4.615 ± 38.405

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 19.952 ± 0.015
r 18.702 ± 0.004
i 18.093 ± 0.009
z 17.711 ± 0.008
Y -- ± --
J 16.375 ± 0.013
H -- ± --
K 15.720 ± 0.027
W1 14.799 ± 0.014
W2 15.159 ± 0.043
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.