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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185151935 (SMSS J172716.13-201955.6)

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Data releaseDR4
RA (deg)261.8172
Dec (deg)-20.3321
Galactic lon. (deg)5.0635
Galactic lat. (deg)8.1178
E(B-V) (SFD98) (mag)0.818
E(B-V) (GNILC) (mag)0.581 ± 0.030
Nearest DR4 source 185151936 (4.7 arcs away)
2nd-nearest DR4 source 2275855656 (5.3 arcs away)
3rd-nearest DR4 source 185151937 (5.5 arcs away)
Times observed36
Total bad pixels7
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 17.707 ± 0.072 16.852 ± 0.073 16.126 ± 0.046 15.781 ± 0.040
Petrosian mag. — — 17.231 ± 0.094 16.224 ± 0.115 15.566 ± 0.072 15.369 ± 0.061

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 17.958 ± 0.084 1,0 5 2
g 20140722114132 17.999 ± 0.081 0,0 5 2
g 20140729111106 17.869 ± 0.072 1,0 5 2
g 20190505165725 17.795 ± 0.031 3,0 100 2
g 20190506165109 17.809 ± 0.028 3,0 100 2
g 20190507143127 17.800 ± 0.040 3,0 100 2
r 20140719114939 17.089 ± 0.061 3,0 5 2
r 20140722114203 16.948 ± 0.049 3,0 5 2
r 20140729111131 17.068 ± 0.052 1,0 5 2
r 20160420170109 17.064 ± 0.066 1,2 5 2
r 20190505165926 16.93 ± 0.036 3,0 100 2
r 20190506165309 16.922 ± 0.031 3,0 100 2
r 20190507143327 16.930 ± 0.040 3,0 100 2
i 20140719115004 16.211 ± 0.040 3,0 10 2
i 20140722114229 16.178 ± 0.040 3,0 10 2
i 20140729111202 16.282 ± 0.040 3,0 10 2
i 20150901084153 16.229 ± 0.030 3,0 100 2
i 20150901084554 16.221 ± 0.034 3,0 100 2
i 20160420170134 16.295 ± 0.039 3,0 10 2
i 20180605124636 16.214 ± 0.043 3,0 10 2
i 20190505170526 16.213 ± 0.036 3,0 100 2
i 20190508164002 16.205 ± 0.037 3,0 100 2
i 20190509140533 16.237 ± 0.048 3,0 100 2
i 20190720124743 16.229 ± 0.068 19,0 100 2
i 20200513190610 16.235 ± 0.031 3,1 100 2
i 20200524153441 16.208 ± 0.043 3,0 10 2
z 20140719115035 15.787 ± 0.041 3,0 20 2
z 20140722114259 15.858 ± 0.037 3,0 20 2
z 20140729111235 15.875 ± 0.039 3,0 20 2
z 20150901084353 15.832 ± 0.030 3,0 100 2
z 20150901084754 15.809 ± 0.034 3,0 100 2
z 20160420170204 15.914 ± 0.039 3,3 20 2
z 20180605124707 15.870 ± 0.039 3,0 20 2
z 20190505170726 15.837 ± 0.038 3,0 100 2
z 20190508164202 15.816 ± 0.033 3,0 100 2
z 20190509140733 15.844 ± 0.051 3,0 100 2
z 20190720124943 15.828 ± 0.062 19,0 100 2
z 20200513190811 15.839 ± 0.036 3,1 100 2
z 20200524153511 15.951 ± 0.050 2,0 20 3

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.21 1.14
GAIA source ID 4121255526961314304 4121255522648233600
Bp mag. 17.842 19.32
G mag. 16.997 19.222
Rp mag. 15.989 17.525
Bp/Rp excess 1.398 2.672
Parallax (mas) -0.008 ± 0.194 -3.038 ± 1.043
PM RA (mas/yr) -3.989 ± 0.210 3.588 ± 1.109
PM Dec (mas/yr) -7.584 ± 0.144 -1.137 ± 0.856
A.E.N. (mas) 0.932 ± 33.654 1.690 ± 3.978

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 17.043 ± 0.003
i -- ± --
z -- ± --
Y -- ± --
J 14.571 ± 0.072
H 13.91 ± 0.063
K 13.732 ± 0.061
W1 13.576 ± 0.028
W2 13.662 ± 0.025
W3 12.447 ± --
W4 8.79 ± --
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.