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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179879241 (SMSS J172925.51-205057.4)

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Data releaseDR4
RA (deg)262.3563
Dec (deg)-20.8493
Galactic lon. (deg)4.9016
Galactic lat. (deg)7.4132
E(B-V) (SFD98) (mag)0.989
E(B-V) (GNILC) (mag)0.904 ± 0.042
Nearest DR4 source 179879242 (4.5 arcs away)
2nd-nearest DR4 source 179879145 (8.7 arcs away)
3rd-nearest DR4 source 179879240 (11.5 arcs away)
Times observed30
Total bad pixels1
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 17.019 ± 0.024 15.792 ± 0.030 14.663 ± 0.010 14.028 ± 0.017
Petrosian mag. — — 16.789 ± 0.028 15.504 ± 0.070 14.701 ± 0.010 14.045 ± 0.043

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 20140719114908 17.061 ± 0.048 0,0 5 2
g 20140722114132 17.059 ± 0.044 0,0 5 2
g 20140729111106 17.050 ± 0.041 2,0 5 2
g 20160420172300 17.067 ± 0.056 0,0 5 2
g 20180605125705 17.025 ± 0.054 0,0 5 2
g 20190505165725 17.108 ± 0.021 0,0 100 2
g 20190506165109 17.128 ± 0.022 0,0 100 2
g 20190507143127 17.137 ± 0.034 0,0 100 2
g 20190822094124 17.115 ± 0.025 0,0 100 2
r 20140719114939 15.898 ± 0.032 0,0 5 2
r 20140722114203 15.808 ± 0.024 3,0 5 2
r 20140729111131 15.844 ± 0.025 2,0 5 2
r 20160420172325 15.819 ± 0.027 3,0 5 2
r 20180605125736 15.952 ± 0.034 0,0 5 2
r 20190505165926 15.896 ± 0.029 2,0 100 2
r 20190506165309 15.903 ± 0.028 2,0 100 2
r 20190507143327 15.920 ± 0.041 2,0 100 2
r 20190822094324 15.904 ± 0.032 3,0 100 2
r 20210411183015 16.112 ± 0.038 24,21 5 2
i 20140719115004 14.629 ± 0.028 3,0 10 2
i 20140722114229 14.656 ± 0.031 3,0 10 2
i 20140729111202 14.697 ± 0.027 3,0 10 2
i 20150901084153 14.656 ± 0.029 3,0 100 2
i 20150901084554 14.657 ± 0.029 3,0 100 2
i 20160420172350 14.654 ± 0.022 3,1 10 2
i 20190505170526 14.644 ± 0.029 3,0 100 2
i 20190509140133 14.662 ± 0.037 8211,3 100 2
z 20140722114259 14.035 ± 0.031 3,0 20 2
z 20140729111235 14.034 ± 0.029 3,0 20 2
z 20150901084353 14.014 ± 0.028 3,0 100 2
z 20150901084754 13.999 ± 0.026 3,0 100 2
z 20160420172420 13.953 ± 0.024 3,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.13 2.77
GAIA source ID 4120965049781676928 4120965049781943424
Bp mag. 16.769 20.233
G mag. 15.440 20.416
Rp mag. 14.317 18.530
Bp/Rp excess 1.397 3.248
Parallax (mas) 0.115 ± 0.047 -- ± --
PM RA (mas/yr) -7.420 ± 0.049 -- ± --
PM Dec (mas/yr) -8.913 ± 0.033 -- ± --
A.E.N. (mas) 0.0 ± 0.0 4.766 ± 9.360

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 17.491 ± 0.003
r 15.842 ± 0.002
i 14.966 ± 0.003
z 14.369 ± 0.003
Y -- ± --
J 12.376 ± 0.032
H 11.412 ± 0.039
K 11.099 ± 0.029
W1 10.974 ± 0.026
W2 11.073 ± 0.019
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.