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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185158811 (SMSS J172701.40-200451.3)

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Data releaseDR4
RA (deg)261.7559
Dec (deg)-20.0809
Galactic lon. (deg)5.2448
Galactic lat. (deg)8.3028
E(B-V) (SFD98) (mag)1.057
E(B-V) (GNILC) (mag)0.799 ± 0.045
Nearest DR4 source 185158831 (5.2 arcs away)
2nd-nearest DR4 source 2275862947 (6.2 arcs away)
3rd-nearest DR4 source 185158808 (6.4 arcs away)
Times observed2
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — — — 18.729 ± 0.134 18.196 ± 0.195
Petrosian mag. — — — — 18.602 ± 0.127 17.685 ± 0.112

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 18.887 ± 0.114 3,0 100 2
z 20150901084353 18.299 ± 0.115 1,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.17 2.81
GAIA source ID 4121275386893255040 4121275386893265152
Bp mag. 20.452 --
G mag. 19.395 19.781
Rp mag. 18.485 --
Bp/Rp excess 1.246 --
Parallax (mas) -0.132 ± 0.367 -0.530 ± 0.481
PM RA (mas/yr) -0.803 ± 0.448 -4.548 ± 0.641
PM Dec (mas/yr) -5.691 ± 0.326 -5.204 ± 0.450
A.E.N. (mas) 0.768 ± 1.380 1.021 ± 1.335

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 19.586 ± 0.006
i -- ± --
z -- ± --
Y -- ± --
J 17.051 ± 0.027
H -- ± --
K 16.266 ± 0.051
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.