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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185156053 (SMSS J172735.40-201316.4)

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Data releaseDR4
RA (deg)261.898
Dec (deg)-20.221
Galactic lon. (deg)5.199
Galactic lat. (deg)8.115
E(B-V) (SFD98) (mag)0.796
E(B-V) (GNILC) (mag)0.622 ± 0.025
Nearest DR4 source 185156066 (9.8 arcs away)
2nd-nearest DR4 source 185156051 (11.9 arcs away)
3rd-nearest DR4 source 185156056 (12.3 arcs away)
Times observed32
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — 18.819 ± 0.049 17.96 ± 0.014 17.641 ± 0.021 17.510 ± 0.041 17.376 ± 0.039
Petrosian mag. — 19.116 ± 0.129 17.837 ± 0.036 17.491 ± 0.036 17.285 ± 0.054 17.122 ± 0.076

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)
v 20190505165526 18.804 ± 0.083 0,0 100 1
v 20190505170325 18.78 ± 0.070 0,0 100 1
v 20190505171125 19.019 ± 0.100 0,0 100 1
g 20140719114908 18.098 ± 0.092 0,0 5 2
g 20140722114132 18.033 ± 0.083 0,0 5 2
g 20140729111106 17.945 ± 0.076 0,0 5 2
g 20190505165725 17.941 ± 0.036 3,0 100 2
g 20190506165109 17.922 ± 0.028 3,0 100 2
g 20190507143127 17.943 ± 0.041 3,0 100 2
g 20190822094124 17.975 ± 0.040 3,0 100 2
r 20140722114203 17.753 ± 0.087 0,0 5 2
r 20140729111131 17.856 ± 0.091 0,0 5 2
r 20160420170109 17.645 ± 0.107 0,0 5 2
r 20190505165926 17.621 ± 0.044 3,0 100 2
r 20190506165309 17.607 ± 0.035 3,0 100 2
r 20190507143327 17.619 ± 0.044 3,0 100 2
r 20190822094324 17.629 ± 0.045 3,0 100 2
i 20140719115004 17.278 ± 0.077 0,0 10 2
i 20140722114229 17.535 ± 0.087 0,0 10 2
i 20140729111202 17.306 ± 0.072 0,0 10 2
i 20150901084153 17.388 ± 0.041 3,0 100 2
i 20150901084554 17.392 ± 0.043 3,0 100 2
i 20160420170134 17.672 ± 0.118 0,0 10 2
i 20190505170526 17.420 ± 0.049 3,0 100 2
i 20190508164002 17.454 ± 0.054 19,0 100 2
i 20190509140533 17.751 ± 0.071 17,0 100 2
i 20190720124743 17.42 ± 0.078 3,0 100 2
z 20140722114259 17.440 ± 0.098 0,0 20 2
z 20140729111235 17.325 ± 0.092 0,0 20 2
z 20150901084353 17.188 ± 0.049 0,0 100 2
z 20150901084754 17.178 ± 0.053 0,0 100 2
z 20160420170204 17.490 ± 0.139 0,0 20 2
z 20190505170726 17.242 ± 0.061 0,0 100 2
z 20190508164202 17.276 ± 0.062 16,0 100 2
z 20190720124943 17.179 ± 0.077 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.3 2.24
GAIA source ID 4121257966548372096 4121257966548371712
Bp mag. 18.013 19.976
G mag. 17.673 19.558
Rp mag. 17.160 18.397
Bp/Rp excess 1.206 1.719
Parallax (mas) 0.044 ± 0.116 -1.060 ± 0.518
PM RA (mas/yr) -2.371 ± 0.135 -2.509 ± 0.586
PM Dec (mas/yr) -6.207 ± 0.099 -8.448 ± 0.447
A.E.N. (mas) 0.0 ± 0.0 1.667 ± 4.283

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 17.832 ± 0.003
i -- ± --
z -- ± --
Y -- ± --
J 16.483 ± 0.016
H -- ± --
K 16.312 ± 0.054
W1 15.977 ± 0.038
W2 16.614 ± 0.221
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.