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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185161988 (SMSS J172724.22-200433.0)

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Data releaseDR4
RA (deg)261.8510
Dec (deg)-20.0759
Galactic lon. (deg)5.2982
Galactic lat. (deg)8.2305
E(B-V) (SFD98) (mag)0.943
E(B-V) (GNILC) (mag)0.721 ± 0.032
Nearest DR4 source 185161991 (5.1 arcs away)
2nd-nearest DR4 source 185161989 (7.5 arcs away)
3rd-nearest DR4 source 185161987 (7.8 arcs away)
Times observed18
Total bad pixels0
Observing flags0

Magnitudes

Filter u v g r i z
PSF mag. — — 19.743 ± 0.024 18.944 ± 0.019 18.265 ± 0.017 17.926 ± 0.027
Petrosian mag. — — 19.717 ± 0.076 18.716 ± 0.174 18.013 ± 0.214 18.102 ± 0.069

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 19.810 ± 0.089 0,0 100 2
g 20190506165109 19.766 ± 0.073 0,0 100 2
g 20190507143127 19.724 ± 0.085 0,0 100 2
r 20140729111131 19.120 ± 0.270 512,0 5 2
r 20190505165926 18.948 ± 0.083 0,0 100 2
r 20190506165309 19.003 ± 0.069 0,0 100 2
r 20190507143327 18.917 ± 0.073 0,0 100 2
r 20190822094324 18.967 ± 0.077 0,0 100 2
i 20140729111202 18.285 ± 0.161 0,0 10 2
i 20150901084153 18.333 ± 0.073 0,0 100 2
i 20150901084554 18.263 ± 0.072 0,0 100 2
i 20190505170526 18.235 ± 0.076 0,0 100 2
i 20190509140533 18.273 ± 0.085 16,0 100 2
i 20190720124743 18.297 ± 0.099 0,0 100 2
z 20140722114259 17.901 ± 0.144 0,0 20 2
z 20140729111235 18.124 ± 0.181 0,0 20 2
z 20150901084353 17.979 ± 0.088 0,0 100 2
z 20150901084754 18.107 ± 0.106 0,0 100 2
z 20190505170726 17.955 ± 0.102 0,0 100 2
z 20190509140733 18.101 ± 0.115 16,0 100 2
z 20190720124943 18.046 ± 0.113 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.07 1.96
GAIA source ID 4121272638158386048 4121272638120777344
Bp mag. 19.670 --
G mag. 18.909 20.654
Rp mag. 17.926 --
Bp/Rp excess 1.400 --
Parallax (mas) 0.974 ± 0.318 -0.615 ± 1.797
PM RA (mas/yr) -5.523 ± 0.355 -3.191 ± 1.625
PM Dec (mas/yr) -4.121 ± 0.256 -4.092 ± 1.153
A.E.N. (mas) 1.492 ± 9.723 1.496 ± 0.619

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 18.787 ± 0.003
i -- ± --
z -- ± --
Y -- ± --
J 16.563 ± 0.017
H -- ± --
K 15.920 ± 0.038
W1 15.276 ± 0.02
W2 15.236 ± 0.039
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.