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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185151985 (SMSS J172717.95-201908.3)

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Data releaseDR4
RA (deg)261.8248
Dec (deg)-20.3189
Galactic lon. (deg)5.0786
Galactic lat. (deg)8.1191
E(B-V) (SFD98) (mag)0.818
E(B-V) (GNILC) (mag)0.581 ± 0.030
Nearest DR4 source 185151982 (5.0 arcs away)
2nd-nearest DR4 source 185151988 (5.0 arcs away)
3rd-nearest DR4 source 185151986 (5.6 arcs away)
Times observed18
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 19.181 ± 0.046 18.414 ± 0.069 17.950 ± 0.018 17.672 ± 0.032
Petrosian mag. — — 18.879 ± 0.243 17.396 ± 0.309 17.682 ± 0.176 17.910 ± 0.059

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 19.380 ± 0.060 19,0 100 2
g 20190506165109 19.226 ± 0.049 3,0 100 2
g 20190507143127 19.156 ± 0.059 3,0 100 2
r 20140729111131 18.611 ± 0.171 0,0 5 2
r 20190505165926 18.58 ± 0.058 19,0 100 2
r 20190506165309 18.417 ± 0.048 3,0 100 2
r 20190507143327 18.425 ± 0.056 3,0 100 2
i 20140722114229 18.012 ± 0.127 0,0 10 2
i 20140729111202 17.763 ± 0.103 0,0 10 2
i 20150901084153 17.895 ± 0.054 3,0 100 2
i 20150901084554 17.933 ± 0.058 3,0 100 2
i 20190505170526 18.058 ± 0.063 19,0 100 2
i 20190508164002 18.064 ± 0.075 3,0 100 2
i 20190509140533 17.942 ± 0.068 3,0 100 2
i 20200513190610 18.037 ± 0.075 3,0 100 2
z 20140722114259 17.751 ± 0.127 0,0 20 2
z 20140729111235 17.623 ± 0.117 0,0 20 2
z 20150901084353 17.620 ± 0.067 3,0 100 2
z 20150901084754 17.755 ± 0.080 1,0 100 2
z 20190505170726 17.739 ± 0.081 16,0 100 2
z 20190508164202 17.781 ± 0.089 0,0 100 2
z 20190509140733 17.831 ± 0.095 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.52 1.01
GAIA source ID 4121255557013219200 4121255561326102912
Bp mag. 18.980 --
G mag. 18.431 19.967
Rp mag. 17.541 --
Bp/Rp excess 1.393 --
Parallax (mas) 0.540 ± 0.249 -1.168 ± 0.845
PM RA (mas/yr) -1.144 ± 0.281 -3.199 ± 0.914
PM Dec (mas/yr) -3.759 ± 0.204 -8.232 ± 0.624
A.E.N. (mas) 0.0 ± 0.0 1.681 ± 2.161

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 18.411 ± 0.004
i -- ± --
z -- ± --
Y -- ± --
J 16.474 ± 0.016
H -- ± --
K 15.900 ± 0.038
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.