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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185151937 (SMSS J172716.40-201951.7)

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Data releaseDR4
RA (deg)261.8184
Dec (deg)-20.3310
Galactic lon. (deg)5.0650
Galactic lat. (deg)8.1175
E(B-V) (SFD98) (mag)0.818
E(B-V) (GNILC) (mag)0.581 ± 0.030
Nearest DR4 source 185151936 (5.2 arcs away)
2nd-nearest DR4 source 185151935 (5.5 arcs away)
3rd-nearest DR4 source 2275855656 (7.7 arcs away)
Times observed39
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 17.531 ± 0.030 16.745 ± 0.037 16.165 ± 0.024 15.861 ± 0.023
Petrosian mag. — — 17.16 ± 0.046 16.513 ± 0.058 15.982 ± 0.038 15.755 ± 0.019

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 17.644 ± 0.066 0,0 5 2
g 20140722114132 17.487 ± 0.056 0,0 5 2
g 20140729111106 17.534 ± 0.057 0,0 5 2
g 20160420170043 17.435 ± 0.078 0,0 5 2
g 20180605124544 17.622 ± 0.078 0,0 5 2
g 20190505165725 17.502 ± 0.029 3,0 100 2
g 20190506165109 17.500 ± 0.027 3,0 100 2
g 20190507143127 17.496 ± 0.038 3,0 100 2
g 20210407183532 17.799 ± 0.089 16,0 5 2
r 20140719114939 16.691 ± 0.047 3,0 5 2
r 20140722114203 16.737 ± 0.044 3,0 5 2
r 20140729111131 16.792 ± 0.044 1,0 5 2
r 20160420170109 16.825 ± 0.054 0,0 5 2
r 20190505165926 16.769 ± 0.035 3,0 100 2
r 20190506165309 16.745 ± 0.031 3,0 100 2
r 20190507143327 16.763 ± 0.04 3,0 100 2
r 20200524153415 16.999 ± 0.066 2,0 5 2
r 20210407183558 16.871 ± 0.062 24,14 5 2
i 20140719115004 16.199 ± 0.040 3,0 10 2
i 20140722114229 16.146 ± 0.040 3,0 10 2
i 20140729111202 16.208 ± 0.039 3,0 10 2
i 20150901084153 16.170 ± 0.030 3,0 100 2
i 20150901084554 16.171 ± 0.033 3,0 100 2
i 20160420170134 16.238 ± 0.037 3,0 10 2
i 20180605124636 16.181 ± 0.042 3,0 10 2
i 20190505170526 16.158 ± 0.036 3,0 100 2
i 20190508164002 16.169 ± 0.037 3,0 100 2
i 20190509140533 16.157 ± 0.047 3,0 100 2
i 20190720124743 16.152 ± 0.067 19,0 100 2
i 20200513190610 16.19 ± 0.031 3,0 100 2
i 20200524153441 16.209 ± 0.044 3,0 10 2
i 20210407183626 16.06 ± 0.041 24,20 10 2
z 20140719115035 15.886 ± 0.043 3,0 20 2
z 20140722114259 15.845 ± 0.037 3,0 20 2
z 20140729111235 15.868 ± 0.039 3,0 20 2
z 20150901084353 15.853 ± 0.030 3,0 100 2
z 20150901084754 15.864 ± 0.034 3,0 100 2
z 20160420170204 15.908 ± 0.039 2,0 20 2
z 20180605124707 15.867 ± 0.038 3,0 20 2
z 20190505170726 15.869 ± 0.038 3,0 100 2
z 20190508164202 15.846 ± 0.033 3,0 100 2
z 20190509140733 15.864 ± 0.051 3,0 100 2
z 20190720124943 15.865 ± 0.062 19,0 100 2
z 20200513190811 15.843 ± 0.036 3,0 100 2
z 20210407183658 15.958 ± 0.048 24,5 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.2 1.06
GAIA source ID 4121255522648236544 4121255526961313408
Bp mag. 17.512 --
G mag. 16.882 19.828
Rp mag. 15.919 --
Bp/Rp excess 1.428 --
Parallax (mas) 0.414 ± 0.105 0.799 ± 0.998
PM RA (mas/yr) -2.232 ± 0.114 1.105 ± 1.155
PM Dec (mas/yr) -7.016 ± 0.078 -5.963 ± 0.674
A.E.N. (mas) 0.175 ± 1.448 1.043 ± 1.184

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 16.812 ± 0.003
i -- ± --
z -- ± --
Y -- ± --
J 14.741 ± 0.048
H 14.288 ± 0.049
K 14.200 ± 0.008
W1 13.955 ± 0.015
W2 14.251 ± 0.022
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.