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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179911088 (SMSS J172832.66-202308.9)

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Data releaseDR4
RA (deg)262.136
Dec (deg)-20.386
Galactic lon. (deg)5.182
Galactic lat. (deg)7.838
E(B-V) (SFD98) (mag)0.846
E(B-V) (GNILC) (mag)0.662 ± 0.029
Nearest DR4 source 179911087 (7.6 arcs away)
2nd-nearest DR4 source 179911086 (9.8 arcs away)
3rd-nearest DR4 source 179911097 (9.9 arcs away)
Times observed40
Total bad pixels4
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 17.54 ± 0.018 16.694 ± 0.018 15.891 ± 0.013 15.462 ± 0.012
Petrosian mag. — — 17.418 ± 0.029 16.561 ± 0.065 15.798 ± 0.024 15.386 ± 0.032

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 17.88 ± 0.088 0,0 5 2
g 20140722114132 17.485 ± 0.062 0,0 5 2
g 20140729111106 17.579 ± 0.058 0,0 5 2
g 20160420172300 17.974 ± 0.127 0,0 5 2
g 20190505165725 17.581 ± 0.034 3,0 100 2
g 20190506165109 17.549 ± 0.029 3,0 100 2
g 20190507143127 17.549 ± 0.045 3,0 100 2
r 20140719114939 16.715 ± 0.052 0,0 5 2
r 20140722114203 16.760 ± 0.049 0,0 5 2
r 20140729111131 16.756 ± 0.043 0,0 5 2
r 20160420172325 16.792 ± 0.054 0,4 5 2
r 20180605125736 16.771 ± 0.06 0,0 5 2
r 20190505165926 16.670 ± 0.038 3,0 100 2
r 20190506165309 16.645 ± 0.031 3,0 100 2
r 20190507143327 16.643 ± 0.045 3,0 100 2
r 20210411183015 16.886 ± 0.065 0,0 5 2
i 20140719115004 15.926 ± 0.039 0,0 10 2
i 20140722114229 15.895 ± 0.040 0,0 10 2
i 20140729111202 15.947 ± 0.037 0,0 10 2
i 20150901084153 15.885 ± 0.032 3,0 100 2
i 20150901084554 15.893 ± 0.031 3,0 100 2
i 20160420172350 15.949 ± 0.036 0,0 10 2
i 20180605125802 15.895 ± 0.042 1,0 10 2
i 20190505170526 15.882 ± 0.038 3,0 100 2
i 20190508164002 15.885 ± 0.036 3,0 100 2
i 20190509140533 15.864 ± 0.051 3,0 100 2
i 20190720124743 15.868 ± 0.071 19,0 100 2
i 20200513190610 15.885 ± 0.032 3,0 100 2
i 20210411183047 15.946 ± 0.044 1,0 10 2
z 20140719115035 15.468 ± 0.038 1,0 20 2
z 20140722114259 15.499 ± 0.037 0,0 20 2
z 20140729111235 15.484 ± 0.033 0,0 20 2
z 20150901084353 15.444 ± 0.032 3,0 100 2
z 20150901084754 15.457 ± 0.033 3,0 100 2
z 20160420172420 15.464 ± 0.036 0,0 20 2
z 20180605125833 15.505 ± 0.036 0,0 20 2
z 20190505170726 15.447 ± 0.036 3,0 100 2
z 20190508164202 15.435 ± 0.029 3,0 100 2
z 20190509140733 15.472 ± 0.054 3,0 100 2
z 20190720124943 15.444 ± 0.065 19,0 100 2
z 20200513190811 15.439 ± 0.036 3,0 100 2
z 20210411183118 15.545 ± 0.038 1,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.14 1.64
GAIA source ID 4121061733723207680 4121061360120953984
Bp mag. 17.474 --
G mag. 16.525 20.239
Rp mag. 15.557 --
Bp/Rp excess 1.330 --
Parallax (mas) 0.060 ± 0.061 -2.544 ± 1.334
PM RA (mas/yr) -4.515 ± 0.065 0.556 ± 1.157
PM Dec (mas/yr) -6.379 ± 0.046 -5.160 ± 0.996
A.E.N. (mas) 0.0 ± 0.0 1.813 ± 1.692

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r -- ± --
i -- ± --
z -- ± --
Y -- ± --
J 14.107 ± 0.03
H 13.364 ± 0.026
K 13.206 ± 0.026
W1 12.958 ± 0.015
W2 13.12 ± 0.015
W3 11.819 ± --
W4 8.766 ± --
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.