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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185151944 (SMSS J172718.86-202002.6)

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Data releaseDR4
RA (deg)261.8286
Dec (deg)-20.3341
Galactic lon. (deg)5.0678
Galactic lat. (deg)8.1078
E(B-V) (SFD98) (mag)0.818
E(B-V) (GNILC) (mag)0.585 ± 0.030
Nearest DR4 source 185151934 (4.2 arcs away)
2nd-nearest DR4 source 185151933 (6.6 arcs away)
3rd-nearest DR4 source 185151945 (7.8 arcs away)
Times observed14
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 18.631 ± 0.031 17.907 ± 0.024 17.378 ± 0.017 17.101 ± 0.023
Petrosian mag. — — 18.774 ± 0.047 18.031 ± 0.060 17.524 ± 0.035 17.259 ± 0.044

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 20140729111106 18.726 ± 0.145 512,0 5 2
g 20190506165109 18.647 ± 0.036 3,0 100 2
r 20140722114203 18.046 ± 0.110 0,0 5 2
r 20140729111131 18.109 ± 0.112 0,0 5 2
r 20190506165309 17.865 ± 0.037 3,0 100 2
i 20140722114229 17.400 ± 0.078 3,0 10 2
i 20140729111202 17.347 ± 0.075 3,0 10 2
i 20150901084153 17.43 ± 0.041 3,0 100 2
i 20150901084554 17.352 ± 0.043 3,0 100 2
i 20160420170134 17.567 ± 0.107 0,0 10 2
i 20190505170526 17.771 ± 0.053 17,0 100 2
z 20140722114259 17.216 ± 0.082 3,0 20 2
z 20140729111235 17.125 ± 0.079 3,0 20 2
z 20150901084353 17.122 ± 0.047 3,0 100 2
z 20150901084754 17.091 ± 0.051 3,0 100 2
z 20160420170204 17.189 ± 0.106 1,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.18 4.61
GAIA source ID 4121255453930067968 4121255458287394048
Bp mag. 18.598 17.960
G mag. 17.849 17.226
Rp mag. 17.065 16.237
Bp/Rp excess 1.230 1.415
Parallax (mas) 0.114 ± 0.167 0.475 ± 0.119
PM RA (mas/yr) -1.988 ± 0.181 7.760 ± 0.131
PM Dec (mas/yr) -7.025 ± 0.131 -6.498 ± 0.095
A.E.N. (mas) 0.0 ± 0.0 0.085 ± 0.222

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 18.017 ± 0.004
i -- ± --
z -- ± --
Y -- ± --
J 15.916 ± 0.010
H -- ± --
K 15.403 ± 0.024
W1 -- ± --
W2 -- ± --
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.