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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185156032 (SMSS J172757.63-201404.5)

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Data releaseDR4
RA (deg)261.990
Dec (deg)-20.235
Galactic lon. (deg)5.235
Galactic lat. (deg)8.035
E(B-V) (SFD98) (mag)0.756
E(B-V) (GNILC) (mag)0.624 ± 0.031
Nearest DR4 source 185156030 (5.4 arcs away)
2nd-nearest DR4 source 185156033 (6.3 arcs away)
3rd-nearest DR4 source 185156034 (8.1 arcs away)
Times observed39
Total bad pixels1
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 17.899 ± 0.054 17.127 ± 0.051 16.510 ± 0.028 16.132 ± 0.025
Petrosian mag. — — 17.199 ± 0.085 16.567 ± 0.113 15.914 ± 0.087 15.705 ± 0.104

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 20140719114908 18.102 ± 0.104 0,0 5 2
g 20140722114132 17.909 ± 0.075 0,0 5 2
g 20140729111106 18.012 ± 0.081 0,0 5 2
g 20190505165725 17.968 ± 0.036 3,0 100 2
g 20190506165109 17.988 ± 0.029 3,0 100 2
g 20190507143127 17.952 ± 0.046 3,0 100 2
r 20140719114939 17.253 ± 0.072 0,0 5 2
r 20140722114203 17.171 ± 0.056 0,0 5 2
r 20140729111131 17.183 ± 0.056 0,0 5 2
r 20160420172325 17.123 ± 0.070 0,0 5 2
r 20190505165926 17.237 ± 0.041 3,0 100 2
r 20190506165309 17.2 ± 0.032 3,0 100 2
r 20200524153415 17.270 ± 0.078 0,0 5 2
r 20210407183558 17.251 ± 0.077 0,0 5 2
i 20140719115004 16.522 ± 0.050 0,0 10 2
i 20140722114229 16.538 ± 0.046 1,0 10 2
i 20140729111202 16.610 ± 0.047 1,0 10 2
i 20150901084153 16.530 ± 0.032 3,0 100 2
i 20150901084554 16.555 ± 0.035 3,0 100 2
i 20160420172350 16.562 ± 0.056 0,1 10 2
i 20180605124636 16.551 ± 0.054 0,0 10 2
i 20190505170526 16.551 ± 0.039 3,0 100 2
i 20190508164002 16.516 ± 0.039 3,0 100 2
i 20190720124743 16.520 ± 0.072 3,0 100 2
i 20200513190610 16.529 ± 0.036 3,0 100 2
i 20200524153441 16.594 ± 0.054 1,0 10 2
i 20210407183626 16.6 ± 0.055 0,0 10 2
z 20140719115035 16.132 ± 0.049 3,0 20 2
z 20140722114259 16.177 ± 0.043 1,0 20 2
z 20140729111235 16.181 ± 0.044 0,0 20 2
z 20150901084353 16.158 ± 0.032 3,0 100 2
z 20150901084754 16.153 ± 0.036 3,0 100 2
z 20160420172420 16.028 ± 0.047 0,0 20 2
z 20180605124707 16.246 ± 0.051 1,0 20 2
z 20190505170726 16.162 ± 0.040 3,0 100 2
z 20190508164202 16.168 ± 0.034 3,0 100 2
z 20190720124943 16.145 ± 0.067 3,0 100 2
z 20200513190811 16.152 ± 0.042 3,0 100 2
z 20210407183658 16.103 ± 0.052 0,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.09 3.57
GAIA source ID 4121255179056430720 4121254977204903424
Bp mag. 17.925 20.171
G mag. 17.102 19.449
Rp mag. 16.213 18.587
Bp/Rp excess 1.294 1.304
Parallax (mas) 0.003 ± 0.104 0.113 ± 0.447
PM RA (mas/yr) -4.308 ± 0.117 -1.771 ± 0.522
PM Dec (mas/yr) -7.285 ± 0.084 -3.161 ± 0.378
A.E.N. (mas) 0.0 ± 0.000 0.0 ± 0.0

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 17.304 ± 0.003
i -- ± --
z -- ± --
Y -- ± --
J 14.919 ± 0.043
H 14.266 ± 0.059
K 14.165 ± 0.008
W1 13.997 ± 0.016
W2 14.126 ± 0.025
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.