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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185162973 (SMSS J172740.65-200445.8)

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Data releaseDR4
RA (deg)261.9194
Dec (deg)-20.0795
Galactic lon. (deg)5.3304
Galactic lat. (deg)8.1746
E(B-V) (SFD98) (mag)0.886
E(B-V) (GNILC) (mag)0.664 ± 0.031
Nearest DR4 source 185162977 (5.5 arcs away)
2nd-nearest DR4 source 185162978 (7.3 arcs away)
3rd-nearest DR4 source 185162976 (8.3 arcs away)
Times observed9
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. 19.559 ± 0.222 18.717 ± 0.213 17.771 ± 0.173 17.734 ± 0.074
Petrosian mag. 19.152 ± 0.111 17.985 ± 0.096 17.358 ± 0.093 17.264 ± 0.154

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 20190506165109 19.685 ± 0.069 3,0 100 2
r 20190505165926 18.849 ± 0.078 3,0 100 2
i 20150901084153 18.058 ± 0.060 3,0 100 2
i 20150901084554 18.065 ± 0.063 3,0 100 2
i 20190505170526 17.985 ± 0.064 3,0 100 2
z 20140722114259 17.875 ± 0.142 0,0 20 2
z 20150901084353 17.934 ± 0.085 3,0 100 2
z 20150901084754 17.665 ± 0.074 3,0 100 2
z 20190505170726 17.937 ± 0.101 3,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 1.38 1.78
GAIA source ID 4121277551555535872 4121277551555523584
Bp mag. 19.828 20.003
G mag. 18.813 19.838
Rp mag. 17.884 18.437
Bp/Rp excess 1.275 2.154
Parallax (mas) 0.031 ± 0.236 -0.544 ± 0.541
PM RA (mas/yr) -3.398 ± 0.260 -0.790 ± 0.652
PM Dec (mas/yr) -6.738 ± 0.185 -6.736 ± 0.477
A.E.N. (mas) 0.237 ± 0.276 0.0 ± 0.0

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 19.025 ± 0.003
i -- ± --
z -- ± --
Y -- ± --
J 16.415 ± 0.015
H -- ± --
K 15.628 ± 0.029
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.