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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185163128 (SMSS J172753.55-200643.9)

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Data releaseDR4
RA (deg)261.9732
Dec (deg)-20.1122
Galactic lon. (deg)5.3304
Galactic lat. (deg)8.1144
E(B-V) (SFD98) (mag)0.839
E(B-V) (GNILC) (mag)0.614 ± 0.025
Nearest DR4 source 2275867508 (1.6 arcs away)
2nd-nearest DR4 source 185163131 (4.1 arcs away)
3rd-nearest DR4 source 185163126 (6.9 arcs away)
Times observed6
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. 19.406 ± 0.350 18.699 ± 0.272 18.296 ± 0.184 17.712 ± 0.35
Petrosian mag. 19.539 ± 0.149 18.790 ± 0.152 17.914 ± 0.176 17.840 ± 0.210

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 19.842 ± 0.078 0,0 100 2
r 20190506165309 19.013 ± 0.070 3,0 100 2
i 20150901084153 18.317 ± 0.072 1,0 100 2
i 20150901084554 18.737 ± 0.104 3,0 100 2
i 20190509140533 18.327 ± 0.087 0,0 100 2
z 20150901084353 18.089 ± 0.097 1,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 1.28 1.58
GAIA source ID 4121265486995237632 4121265491286510336
Bp mag. 20.383 20.144
G mag. 19.379 19.348
Rp mag. 18.660 18.517
Bp/Rp excess 1.104 1.253
Parallax (mas) -0.336 ± 0.345 0.966 ± 0.317
PM RA (mas/yr) -0.608 ± 0.455 -1.588 ± 0.440
PM Dec (mas/yr) -5.745 ± 0.329 -4.298 ± 0.314
A.E.N. (mas) 0.724 ± 1.068 0.0 ± 0.0

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 19.540 ± 0.007
i -- ± --
z -- ± --
Y -- ± --
J 17.407 ± 0.037
H -- ± --
K 16.869 ± 0.089
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.