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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185163021 (SMSS J172751.42-200723.0)

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Data releaseDR4
RA (deg)261.9642
Dec (deg)-20.1231
Galactic lon. (deg)5.3165
Galactic lat. (deg)8.1156
E(B-V) (SFD98) (mag)0.839
E(B-V) (GNILC) (mag)0.615 ± 0.026
Nearest DR4 source 185163020 (7.3 arcs away)
2nd-nearest DR4 source 185163029 (9.7 arcs away)
3rd-nearest DR4 source 185163027 (11.6 arcs away)
Times observed7
Total bad pixels0
Observing flags0

Magnitudes

Filter u v g r i z
PSF mag. 20.009 ± 0.103 19.315 ± 0.119 18.682 ± 0.035 18.319 ± 0.111
Petrosian mag. 20.356 ± 0.182 19.478 ± 0.137 19.102 ± 0.105 19.006 ± 0.326

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 20.0 ± 0.088 0,0 100 2
r 20190506165309 19.295 ± 0.087 0,0 100 2
i 20150901084153 18.656 ± 0.094 0,0 100 2
i 20150901084554 18.721 ± 0.103 0,0 100 2
i 20190505170526 18.751 ± 0.112 0,0 100 2
i 20190509140533 18.622 ± 0.102 0,0 100 2
z 20150901084353 18.264 ± 0.113 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.83 1.26
GAIA source ID 4121265383912131456 4121265388207249152
Bp mag. 20.207 20.837
G mag. 19.433 19.893
Rp mag. 18.552 18.849
Bp/Rp excess 1.304 1.405
Parallax (mas) -0.162 ± 0.390 -0.536 ± 0.572
PM RA (mas/yr) -5.105 ± 0.486 -4.365 ± 0.788
PM Dec (mas/yr) -4.447 ± 0.353 -4.386 ± 0.572
A.E.N. (mas) 0.689 ± 0.909 0.929 ± 0.711

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 19.466 ± 0.010
i -- ± --
z -- ± --
Y -- ± --
J 17.283 ± 0.033
H -- ± --
K 16.732 ± 0.079
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.