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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185163039 (SMSS J172748.25-200649.8)

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Data releaseDR4
RA (deg)261.9511
Dec (deg)-20.1139
Galactic lon. (deg)5.3175
Galactic lat. (deg)8.1310
E(B-V) (SFD98) (mag)0.886
E(B-V) (GNILC) (mag)0.628 ± 0.028
Nearest DR4 source 185163014 (4.4 arcs away)
2nd-nearest DR4 source 185163040 (7.3 arcs away)
3rd-nearest DR4 source 185163013 (8.9 arcs away)
Times observed16
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 19.429 ± 0.115 18.756 ± 0.103 18.164 ± 0.089 17.969 ± 0.075
Petrosian mag. — — 18.857 ± 0.121 18.258 ± 0.062 17.621 ± 0.101 17.663 ± 0.123

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 19.572 ± 0.074 1,0 100 2
g 20190506165109 19.479 ± 0.059 3,0 100 2
g 20190507143127 19.525 ± 0.074 1,0 100 2
r 20190505165926 18.938 ± 0.083 1,0 100 2
r 20190506165309 18.798 ± 0.06 3,0 100 2
r 20190507143327 18.863 ± 0.071 1,0 100 2
r 20190822094324 18.817 ± 0.070 1,0 100 2
i 20150901084153 18.265 ± 0.069 1,0 100 2
i 20150901084554 18.171 ± 0.067 1,0 100 2
i 20190505170526 18.252 ± 0.077 1,0 100 2
i 20190509140533 18.211 ± 0.083 3,0 100 2
i 20190720124743 18.214 ± 0.096 1,0 100 2
z 20150901084353 17.871 ± 0.081 1,0 100 2
z 20150901084754 18.002 ± 0.097 0,0 100 2
z 20190505170726 18.051 ± 0.111 0,0 100 2
z 20190509140733 18.064 ± 0.111 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.3 2.1
GAIA source ID 4121265456983748480 4121265456926959616
Bp mag. 19.634 21.126
G mag. 19.237 20.273
Rp mag. 18.105 19.077
Bp/Rp excess 1.697 1.596
Parallax (mas) -- ± -- -0.244 ± 0.763
PM RA (mas/yr) -- ± -- -4.595 ± 0.968
PM Dec (mas/yr) -- ± -- -7.189 ± 0.629
A.E.N. (mas) 18.958 ± 651.854 0.0 ± 0.0

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 18.931 ± 0.004
i -- ± --
z -- ± --
Y -- ± --
J 16.962 ± 0.025
H -- ± --
K 16.413 ± 0.059
W1 16.239 ± 0.05
W2 16.866 ± 0.196
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.