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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185152169 (SMSS J172720.96-201947.2)

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Data releaseDR4
RA (deg)261.8373
Dec (deg)-20.3298
Galactic lon. (deg)5.0759
Galactic lat. (deg)8.1033
E(B-V) (SFD98) (mag)0.818
E(B-V) (GNILC) (mag)0.581 ± 0.030
Nearest DR4 source 185152193 (6.6 arcs away)
2nd-nearest DR4 source 185152167 (10.4 arcs away)
3rd-nearest DR4 source 185152166 (10.4 arcs away)
Times observed18
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. 19.066 ± 0.067 18.273 ± 0.051 17.619 ± 0.048 17.327 ± 0.046
Petrosian mag. 18.645 ± 0.110 17.896 ± 0.101 17.236 ± 0.109 17.218 ± 0.054

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 19.104 ± 0.046 3,0 100 2
g 20190507143127 19.048 ± 0.056 3,0 100 2
r 20140722114203 18.286 ± 0.134 512,0 5 2
r 20140729111131 18.419 ± 0.146 0,0 5 2
r 20190506165309 18.220 ± 0.043 3,0 100 2
r 20190507143327 18.247 ± 0.052 3,0 100 2
r 20190822094324 18.269 ± 0.054 3,0 100 2
i 20140719115004 17.598 ± 0.099 0,0 10 2
i 20140722114229 17.512 ± 0.085 0,0 10 2
i 20140729111202 17.574 ± 0.090 0,0 10 2
i 20150901084153 17.522 ± 0.043 3,0 100 2
i 20150901084554 17.520 ± 0.046 3,0 100 2
i 20190508164002 17.654 ± 0.058 3,0 100 2
i 20200513190610 17.578 ± 0.054 19,0 100 2
z 20140722114259 17.117 ± 0.076 0,0 20 2
z 20140729111235 17.126 ± 0.079 0,0 20 2
z 20150901084353 17.176 ± 0.049 0,0 100 2
z 20150901084754 17.181 ± 0.054 1,0 100 2
z 20160420170204 17.379 ± 0.125 0,0 20 2
z 20190508164202 17.209 ± 0.058 3,0 100 2
z 20190720124943 17.239 ± 0.077 27,12 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.5 1.49
GAIA source ID 4121255488289812352 4121255492606548480
Bp mag. 19.087 --
G mag. 18.472 19.399
Rp mag. 17.488 --
Bp/Rp excess 1.454 --
Parallax (mas) 0.503 ± 0.260 -0.203 ± 0.535
PM RA (mas/yr) -0.903 ± 0.282 0.331 ± 0.582
PM Dec (mas/yr) -3.744 ± 0.200 -6.140 ± 0.398
A.E.N. (mas) 0.291 ± 0.616 0.853 ± 1.419

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 18.110 ± 0.012
i -- ± --
z -- ± --
Y -- ± --
J 16.295 ± 0.014
H -- ± --
K 15.684 ± 0.031
W1 14.707 ± 0.017
W2 14.854 ± 0.033
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.