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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179911092 (SMSS J172833.67-202309.7)

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Data releaseDR4
RA (deg)262.140
Dec (deg)-20.386
Galactic lon. (deg)5.184
Galactic lat. (deg)7.834
E(B-V) (SFD98) (mag)0.846
E(B-V) (GNILC) (mag)0.662 ± 0.029
Nearest DR4 source 2268150985 (4.0 arcs away)
2nd-nearest DR4 source 179911097 (7.8 arcs away)
3rd-nearest DR4 source 179911094 (9.7 arcs away)
Times observed37
Total bad pixels2
Observing flags0

Magnitudes

Filter u v g r i z
PSF mag. — — 18.022 ± 0.075 17.191 ± 0.037 16.359 ± 0.031 15.902 ± 0.03
Petrosian mag. — — 17.957 ± 0.022 16.949 ± 0.057 16.194 ± 0.024 15.804 ± 0.028

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 20140722114132 18.071 ± 0.093 0,0 5 2
g 20140729111106 18.217 ± 0.097 0,0 5 2
g 20190505165725 18.124 ± 0.037 0,0 100 2
g 20190506165109 18.086 ± 0.031 0,0 100 2
g 20190507143127 18.118 ± 0.047 0,0 100 2
r 20140719114939 17.151 ± 0.068 0,0 5 2
r 20140722114203 17.263 ± 0.065 0,0 5 2
r 20140729111131 17.087 ± 0.053 0,0 5 2
r 20160420172325 17.145 ± 0.071 0,0 5 2
r 20180605125736 17.286 ± 0.089 0,0 5 2
r 20190505165926 17.138 ± 0.040 0,0 100 2
r 20190506165309 17.062 ± 0.032 0,0 100 2
r 20190507143327 17.131 ± 0.047 0,0 100 2
i 20140719115004 16.357 ± 0.046 0,0 10 2
i 20140722114229 16.322 ± 0.046 0,0 10 2
i 20140729111202 16.318 ± 0.042 0,0 10 2
i 20150901084153 16.324 ± 0.033 0,0 100 2
i 20150901084554 16.292 ± 0.032 0,0 100 2
i 20160420172350 16.399 ± 0.049 0,2 10 2
i 20180605125802 16.341 ± 0.053 0,0 10 2
i 20190505170526 16.310 ± 0.038 0,0 100 2
i 20190508164002 16.326 ± 0.037 0,0 100 2
i 20190509140533 16.319 ± 0.052 0,0 100 2
i 20200513190610 16.347 ± 0.034 0,0 100 2
i 20210411183047 16.424 ± 0.056 0,0 10 2
z 20140719115035 15.880 ± 0.044 0,0 20 2
z 20140722114259 15.913 ± 0.041 0,0 20 2
z 20140729111235 15.905 ± 0.038 0,0 20 2
z 20150901084353 15.864 ± 0.033 0,0 100 2
z 20150901084754 15.870 ± 0.034 0,0 100 2
z 20160420172420 15.901 ± 0.044 0,0 20 2
z 20180605125833 15.960 ± 0.047 0,0 20 2
z 20190505170726 15.870 ± 0.038 0,0 100 2
z 20190508164202 15.882 ± 0.031 0,0 100 2
z 20190509140733 15.907 ± 0.055 0,0 100 2
z 20200513190811 15.900 ± 0.039 0,0 100 2
z 20210411183118 15.926 ± 0.046 0,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.8 1.3
GAIA source ID 4121061733723207424 4121061738094187392
Bp mag. 18.171 --
G mag. 17.106 20.497
Rp mag. 16.108 --
Bp/Rp excess 1.328 --
Parallax (mas) 0.138 ± 0.083 -- ± --
PM RA (mas/yr) -3.755 ± 0.092 -- ± --
PM Dec (mas/yr) -6.667 ± 0.065 -- ± --
A.E.N. (mas) 0.0 ± 0.0 1.830 ± 9.494

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r -- ± --
i -- ± --
z -- ± --
Y -- ± --
J 14.578 ± 0.026
H 13.794 ± 0.028
K 13.585 ± 0.038
W1 13.381 ± 0.013
W2 13.616 ± 0.013
W3 12.488 ± --
W4 8.776 ± --
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.