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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179819797 (SMSS J172715.80-205101.0)

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Data releaseDR4
RA (deg)261.8161
Dec (deg)-20.8504
Galactic lon. (deg)4.6240
Galactic lat. (deg)7.8365
E(B-V) (SFD98) (mag)0.940
E(B-V) (GNILC) (mag)0.929 ± 0.041
Nearest DR4 source 179819807 (3.6 arcs away)
2nd-nearest DR4 source 179819796 (6.3 arcs away)
3rd-nearest DR4 source 179819806 (7.8 arcs away)
Times observed35
Total bad pixels3
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 18.223 ± 0.046 16.937 ± 0.030 15.916 ± 0.014 15.295 ± 0.012
Petrosian mag. — — 17.794 ± 0.139 16.527 ± 0.122 15.744 ± 0.087 15.155 ± 0.079

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 18.225 ± 0.104 0,0 5 2
g 20140722114132 18.234 ± 0.099 0,0 5 2
g 20140729111106 18.435 ± 0.110 0,0 5 2
g 20190506165109 18.185 ± 0.029 3,0 100 2
g 20190507143127 18.179 ± 0.027 0,0 100 2
r 20140719114939 17.024 ± 0.055 0,0 5 2
r 20140722114203 16.989 ± 0.05 3,0 5 2
r 20140729111131 16.960 ± 0.046 0,0 5 2
r 20160420170109 16.874 ± 0.057 2,3 5 2
r 20190505165926 17.059 ± 0.028 3,0 100 2
r 20190506165309 16.951 ± 0.027 3,0 100 2
r 20190507143327 17.124 ± 0.035 1,0 100 2
r 20200524153415 16.978 ± 0.068 0,0 5 2
i 20140719115004 15.964 ± 0.034 0,0 10 2
i 20140722114229 15.943 ± 0.035 3,0 10 2
i 20140729111202 15.924 ± 0.034 3,0 10 2
i 20150901084153 15.915 ± 0.030 3,0 100 2
i 20150901084554 15.898 ± 0.028 3,0 100 2
i 20160420170134 15.931 ± 0.033 3,0 10 2
i 20180605124636 15.988 ± 0.042 0,0 10 2
i 20190419150817 16.041 ± 0.032 0,0 100 2
i 20190505170526 15.930 ± 0.029 3,0 100 2
i 20190508164002 16.115 ± 0.028 1,0 100 2
i 20190720124743 16.049 ± 0.057 19,0 100 2
i 20200524153441 15.993 ± 0.042 0,0 10 2
z 20140719115035 15.354 ± 0.031 0,0 20 2
z 20140722114259 15.305 ± 0.031 3,0 20 2
z 20140729111235 15.295 ± 0.032 3,0 20 2
z 20150901084353 15.302 ± 0.031 3,0 100 2
z 20150901084754 15.299 ± 0.029 3,0 100 2
z 20160420170204 15.314 ± 0.029 3,0 20 2
z 20180605124707 15.351 ± 0.036 0,0 20 2
z 20190419151018 15.440 ± 0.029 1,0 100 2
z 20190505170726 15.312 ± 0.029 3,0 100 2
z 20190508164202 15.419 ± 0.026 3,0 100 2
z 20190720124943 15.555 ± 0.056 17,0 100 2
z 20200513183957 15.495 ± 0.032 0,0 100 2
z 20200524153511 15.297 ± 0.039 0,0 20 3

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.75 3.53
GAIA source ID 4121011297994229248 4121011297967212288
Bp mag. 17.939 21.086
G mag. 16.642 20.749
Rp mag. 15.538 19.361
Bp/Rp excess 1.383 2.044
Parallax (mas) 0.151 ± 0.058 -- ± --
PM RA (mas/yr) -1.960 ± 0.069 -- ± --
PM Dec (mas/yr) -7.055 ± 0.048 -- ± --
A.E.N. (mas) 0.0 ± 0.0 0.715 ± 0.066

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 18.658 ± 0.005
r 16.959 ± 0.002
i 16.162 ± 0.006
z 15.628 ± 0.005
Y -- ± --
J 13.663 ± 0.042
H 12.844 ± 0.04
K 12.544 ± 0.038
W1 12.359 ± 0.016
W2 12.532 ± 0.014
W3 12.18 ± --
W4 8.458 ± --
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.