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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185163033 (SMSS J172746.88-200645.8)

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Data releaseDR4
RA (deg)261.9454
Dec (deg)-20.1128
Galactic lon. (deg)5.3155
Galactic lat. (deg)8.1361
E(B-V) (SFD98) (mag)0.886
E(B-V) (GNILC) (mag)0.628 ± 0.028
Nearest DR4 source 185163010 (6.9 arcs away)
2nd-nearest DR4 source 2275867404 (7.3 arcs away)
3rd-nearest DR4 source 185163011 (7.4 arcs away)
Times observed31
Total bad pixels0
Observing flags1

Magnitudes

Filter u v g r i z
PSF mag. — — 19.130 ± 0.023 18.219 ± 0.018 17.528 ± 0.017 17.146 ± 0.013
Petrosian mag. — — 19.228 ± 0.071 18.351 ± 0.052 17.648 ± 0.041 17.370 ± 0.035

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 20140729111106 18.909 ± 0.168 512,0 5 2
g 20190505165725 19.090 ± 0.054 1,0 100 2
g 20190506165109 19.210 ± 0.049 0,0 100 2
g 20190507143127 19.172 ± 0.060 1,0 100 2
g 20190822094124 19.210 ± 0.059 1,0 100 2
r 20140722114203 18.465 ± 0.156 0,0 5 2
r 20140729111131 18.585 ± 0.168 512,0 5 2
r 20190505165926 18.239 ± 0.054 0,0 100 2
r 20190506165309 18.299 ± 0.045 1,0 100 2
r 20190507143327 18.235 ± 0.052 1,0 100 2
r 20190822094324 18.208 ± 0.052 1,0 100 2
i 20140722114229 17.634 ± 0.094 0,0 10 2
i 20140729111202 17.675 ± 0.097 0,0 10 2
i 20150901084153 17.535 ± 0.043 0,0 100 2
i 20150901084554 17.529 ± 0.046 0,0 100 2
i 20160420170134 17.916 ± 0.146 0,0 10 2
i 20160420172350 17.733 ± 0.152 0,0 10 2
i 20190505170526 17.556 ± 0.051 0,0 100 2
i 20190508164002 17.649 ± 0.060 0,0 100 2
i 20190509140533 17.487 ± 0.066 1,0 100 2
i 20190720124743 17.483 ± 0.079 1,0 100 2
i 20200513190610 17.599 ± 0.054 0,0 100 2
i 20210407183626 17.483 ± 0.106 0,0 10 2
z 20140722114259 17.175 ± 0.080 0,0 20 2
z 20140729111235 17.166 ± 0.082 0,0 20 2
z 20150901084353 17.179 ± 0.049 0,0 100 2
z 20150901084754 17.235 ± 0.055 0,0 100 2
z 20160420170204 17.432 ± 0.132 512,0 20 2
z 20160420172420 17.328 ± 0.121 0,0 20 2
z 20190505170726 17.187 ± 0.059 0,0 100 2
z 20190508164202 17.183 ± 0.058 0,0 100 2
z 20190509140733 17.185 ± 0.071 0,0 100 2
z 20190720124943 17.149 ± 0.077 0,0 100 2
z 20200513190811 17.335 ± 0.077 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.13 5.55
GAIA source ID 4121265658775177344 4121265663085487872
Bp mag. 18.943 20.812
G mag. 18.058 19.869
Rp mag. 17.126 18.969
Bp/Rp excess 1.313 1.268
Parallax (mas) 0.158 ± 0.144 1.615 ± 0.504
PM RA (mas/yr) -3.851 ± 0.154 -1.886 ± 0.600
PM Dec (mas/yr) -7.373 ± 0.113 -5.205 ± 0.447
A.E.N. (mas) 0.0 ± 0.0 0.0 ± 0.0

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 18.132 ± 0.003
i -- ± --
z -- ± --
Y -- ± --
J 15.724 ± 0.009
H -- ± --
K 15.011 ± 0.017
W1 14.662 ± 0.015
W2 14.657 ± 0.028
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.