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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185231717 (SMSS J173003.73-200808.3)

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Data releaseDR4
RA (deg)262.5156
Dec (deg)-20.1356
Galactic lon. (deg)5.5886
Galactic lat. (deg)7.6735
E(B-V) (SFD98) (mag)1.235
E(B-V) (GNILC) (mag)1.265 ± 0.019
Nearest DR4 source 185231755 (5.6 arcs away)
2nd-nearest DR4 source 185231714 (7.4 arcs away)
3rd-nearest DR4 source 185231716 (9.3 arcs away)
Times observed29
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. 19.958 ± 0.022 18.712 ± 0.019 17.455 ± 0.011 16.740 ± 0.012
Petrosian mag. 20.168 ± 0.086 18.778 ± 0.043 17.567 ± 0.032 16.874 ± 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 20190505165725 19.924 ± 0.065 1,0 100 2
g 20190506165109 20.028 ± 0.067 0,0 100 2
g 20190507143127 19.995 ± 0.083 0,0 100 2
r 20140729111131 18.356 ± 0.129 0,0 5 2
r 20190505165926 18.709 ± 0.050 3,0 100 2
r 20190506165309 18.737 ± 0.043 3,0 100 2
r 20190507143327 18.698 ± 0.058 3,0 100 2
r 20190822094324 18.754 ± 0.042 3,0 100 2
i 20140719115004 17.464 ± 0.087 0,0 10 2
i 20140722114229 17.506 ± 0.078 0,0 10 2
i 20140729111202 17.612 ± 0.085 0,0 10 2
i 20150901084153 17.471 ± 0.038 3,0 100 2
i 20150901084554 17.448 ± 0.038 3,0 100 2
i 20160420172350 17.490 ± 0.112 0,0 10 2
i 20190505170526 17.433 ± 0.039 3,0 100 2
i 20190509140533 17.448 ± 0.060 3,0 100 2
i 20190720124743 17.476 ± 0.062 3,0 100 2
i 20200513190610 17.415 ± 0.048 3,0 100 2
z 20140719115035 16.764 ± 0.070 1,0 20 2
z 20140722114259 16.731 ± 0.056 0,0 20 2
z 20140729111235 16.774 ± 0.058 0,0 20 2
z 20150901084353 16.710 ± 0.036 3,0 100 2
z 20150901084754 16.732 ± 0.038 3,0 100 2
z 20160420172420 17.130 ± 0.099 20 2
z 20180605125833 16.767 ± 0.099 0,0 20 2
z 20190505170726 16.714 ± 0.041 3,0 100 2
z 20190509140733 16.774 ± 0.064 3,0 100 2
z 20190720124943 16.740 ± 0.062 3,0 100 2
z 20200513190811 16.780 ± 0.053 3,0 100 2
z 20210411183118 16.691 ± 0.075 3,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.19 2.45
GAIA source ID 4121447146910991488 4121447151234316672
Bp mag. 19.689 21.898
G mag. 18.217 21.038
Rp mag. 17.058 20.108
Bp/Rp excess 1.411 1.320
Parallax (mas) 0.272 ± 0.162 -- ± --
PM RA (mas/yr) 1.370 ± 0.194 -- ± --
PM Dec (mas/yr) -6.121 ± 0.133 -- ± --
A.E.N. (mas) 0.481 ± 1.912 2.473 ± 0.256

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 18.620 ± 0.004
i -- ± --
z -- ± --
Y -- ± --
J 14.94 ± 0.005
H 14.137 ± 0.029
K 13.899 ± 0.048
W1 13.828 ± 0.014
W2 14.048 ± 0.017
W3 12.151 ± --
W4 8.553 ± --
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.