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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179867010 (SMSS J172825.35-205838.8)

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Data releaseDR4
RA (deg)262.106
Dec (deg)-20.977
Galactic lon. (deg)4.665
Galactic lat. (deg)7.540
E(B-V) (SFD98) (mag)0.959
E(B-V) (GNILC) (mag)0.769 ± 0.042
Nearest DR4 source 179867011 (8.1 arcs away)
2nd-nearest DR4 source 179866182 (9.2 arcs away)
3rd-nearest DR4 source 179866183 (9.4 arcs away)
Times observed46
Total bad pixels6
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 17.052 ± 0.011 15.863 ± 0.009 14.927 ± 0.008 14.398 ± 0.009
Petrosian mag. — — 17.012 ± 0.015 15.861 ± 0.010 14.936 ± 0.009 14.418 ± 0.009

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 17.074 ± 0.049 0,0 5 2
g 20140722114132 17.103 ± 0.046 0,0 5 2
g 20140729111106 17.094 ± 0.042 0,0 5 2
g 20160420172300 17.063 ± 0.055 0,3 5 2
g 20180605125705 16.920 ± 0.057 0,0 5 2
g 20190505165725 17.057 ± 0.027 3,0 100 2
g 20190506165109 17.053 ± 0.022 3,0 100 2
g 20190507143127 17.043 ± 0.029 3,0 100 2
g 20190822094124 17.034 ± 0.026 3,0 100 2
g 20210407183532 17.093 ± 0.054 0,0 5 2
g 20210411182948 17.016 ± 0.057 0,0 5 3
r 20140719114939 15.862 ± 0.033 0,0 5 2
r 20140722114203 15.855 ± 0.030 0,0 5 2
r 20140729111131 15.853 ± 0.025 0,0 5 2
r 20160420172325 15.830 ± 0.026 0,0 5 2
r 20180605125736 15.902 ± 0.033 0,0 5 2
r 20190505165926 15.860 ± 0.029 3,0 100 2
r 20190506165309 15.860 ± 0.028 3,0 100 2
r 20190507143327 15.861 ± 0.034 3,0 100 2
r 20190822094324 15.869 ± 0.028 3,0 100 2
r 20210407183558 15.902 ± 0.036 0,0 5 2
r 20210411183015 15.900 ± 0.034 0,0 5 2
i 20140719115004 14.957 ± 0.026 2,0 10 2
i 20140722114229 14.925 ± 0.032 2,0 10 2
i 20140729111202 14.926 ± 0.027 0,0 10 2
i 20150901084153 14.925 ± 0.028 3,0 100 2
i 20150901084554 14.925 ± 0.029 3,0 100 2
i 20160420172350 14.915 ± 0.024 0,0 10 2
i 20180605125802 14.944 ± 0.034 2,0 10 2
i 20190505170526 14.938 ± 0.030 3,0 100 2
i 20190508164002 14.919 ± 0.025 3,0 100 2
i 20190720124743 14.939 ± 0.060 3,0 100 2
i 20210407183626 14.923 ± 0.031 0,0 10 2
i 20210411183047 14.921 ± 0.036 3,0 10 2
z 20140719115035 14.398 ± 0.028 3,0 20 2
z 20140722114259 14.401 ± 0.027 2,0 20 2
z 20140729111235 14.400 ± 0.029 2,0 20 2
z 20150901084353 14.396 ± 0.025 3,0 100 2
z 20150901084754 14.396 ± 0.027 3,0 100 2
z 20160420172420 14.410 ± 0.023 0,3 20 2
z 20180605125833 14.386 ± 0.030 0,0 20 2
z 20190505170726 14.408 ± 0.028 3,0 100 2
z 20190508164202 14.387 ± 0.024 3,0 100 2
z 20190720124943 14.407 ± 0.056 3,0 100 2
z 20200513183957 14.392 ± 0.031 3,0 100 2
z 20210407183658 14.390 ± 0.028 2,0 20 2
z 20210411183118 14.404 ± 0.029 3,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.12 2.4
GAIA source ID 4120959483503184384 4120959483446212480
Bp mag. 16.797 --
G mag. 15.628 20.322
Rp mag. 14.561 --
Bp/Rp excess 1.371 --
Parallax (mas) 0.155 ± 0.039 -1.980 ± 0.962
PM RA (mas/yr) -2.929 ± 0.049 4.399 ± 1.543
PM Dec (mas/yr) -1.861 ± 0.033 -3.291 ± 0.864
A.E.N. (mas) 0.0 ± 0.0 1.172 ± 0.359

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 17.447 ± 0.004
r 15.923 ± 0.002
i 15.071 ± 0.003
z 14.638 ± 0.002
Y -- ± --
J 12.873 ± 0.023
H 12.026 ± 0.025
K 11.765 ± 0.023
W1 11.568 ± 0.013
W2 11.767 ± 0.011
W3 11.835 ± 0.39
W4 9.067 ± --
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.