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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185151990 (SMSS J172718.57-201904.9)

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Data releaseDR4
RA (deg)261.8274
Dec (deg)-20.3181
Galactic lon. (deg)5.0807
Galactic lat. (deg)8.1175
E(B-V) (SFD98) (mag)0.818
E(B-V) (GNILC) (mag)0.581 ± 0.030
Nearest DR4 source 185151991 (7.0 arcs away)
2nd-nearest DR4 source 185151986 (7.2 arcs away)
3rd-nearest DR4 source 185151989 (7.9 arcs away)
Times observed3
Total bad pixels0
Observing flags1

Magnitudes

Filter u v g r i z
PSF mag. — — — — 18.608 ± 0.164 18.207 ± 0.218
Petrosian mag. — — — — 18.168 ± 0.113 18.190 ± 0.162

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)
i 20150901084153 18.636 ± 0.093 1,0 100 2
i 20150901084554 18.704 ± 0.102 0,0 100 2
i 20190505170526 18.655 ± 0.096 16,0 100 2
z 20150901084353 18.207 ± 0.107 0,0 100 2
z 20190505170726 18.245 ± 0.120 16,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.8 1.13
GAIA source ID 4121255561321132672 4121255561327341824
Bp mag. -- --
G mag. 20.507 20.316
Rp mag. -- --
Bp/Rp excess -- --
Parallax (mas) -- ± -- -- ± --
PM RA (mas/yr) -- ± -- -- ± --
PM Dec (mas/yr) -- ± -- -- ± --
A.E.N. (mas) 2.388 ± 0.800 37.144 ± 551.695

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 19.968 ± 0.012
i -- ± --
z -- ± --
Y -- ± --
J 16.899 ± 0.023
H -- ± --
K 15.895 ± 0.037
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.