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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179900593 (SMSS J172815.73-203636.2)

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Data releaseDR4
RA (deg)262.0655
Dec (deg)-20.6100
Galactic lon. (deg)4.9557
Galactic lat. (deg)7.7716
E(B-V) (SFD98) (mag)0.862
E(B-V) (GNILC) (mag)0.742 ± 0.036
Nearest DR4 source 2268139413 (2.2 arcs away)
2nd-nearest DR4 source 1212979842 (6.7 arcs away)
3rd-nearest DR4 source 1212979846 (7.6 arcs away)
Times observed17
Total bad pixels3
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 17.760 ± 0.206 16.734 ± 0.289 16.335 ± 0.168 16.204 ± 0.145
Petrosian mag. — — 18.055 ± 0.050 17.143 ± 0.034 16.555 ± 0.06 16.344 ± 0.047

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 18.779 ± 0.039 2,0 100 2
g 20190506165109 18.865 ± 0.037 18,0 100 2
g 20190507143127 18.729 ± 0.054 2,0 100 2
g 20190822094124 18.676 ± 0.036 3,0 100 2
r 20190505165926 18.018 ± 0.039 3,0 100 2
r 20190506165309 18.135 ± 0.04 19,0 100 2
r 20190507143327 17.906 ± 0.052 3,0 100 2
i 20150901084153 17.502 ± 0.043 2,0 100 2
i 20190505170526 17.384 ± 0.041 3,0 100 2
i 20190508164002 17.293 ± 0.049 2,3 100 2
i 20190509140533 17.457 ± 0.059 3,0 100 2
i 20190720124743 17.132 ± 0.065 2,0 100 2
i 20200513190610 17.146 ± 0.044 2,0 100 2
z 20150901084353 16.890 ± 0.041 2,0 100 2
z 20190505170726 17.073 ± 0.050 0,0 100 2
z 20190508164202 16.845 ± 0.047 0,0 100 2
z 20190509140733 17.024 ± 0.066 0,0 100 2
z 20190720124943 16.815 ± 0.065 2,0 100 2
z 20200513190811 16.835 ± 0.057 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.63 1.91
GAIA source ID 4121022189993139200 4121022190030522112
Bp mag. -- --
G mag. 19.863 19.695
Rp mag. -- --
Bp/Rp excess -- --
Parallax (mas) 0.369 ± 0.687 0.740 ± 0.606
PM RA (mas/yr) -5.417 ± 0.647 -3.634 ± 0.570
PM Dec (mas/yr) -8.064 ± 0.468 -3.620 ± 0.411
A.E.N. (mas) 0.316 ± 0.082 0.0 ± 0.0

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 19.955 ± 0.008
i -- ± --
z -- ± --
Y -- ± --
J 17.712 ± 0.052
H -- ± --
K 17.089 ± 0.102
W1 14.418 ± 0.013
W2 14.612 ± 0.026
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.