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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179819780 (SMSS J172714.11-205126.0)

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Data releaseDR4
RA (deg)261.8087
Dec (deg)-20.8572
Galactic lon. (deg)4.6145
Galactic lat. (deg)7.8386
E(B-V) (SFD98) (mag)0.940
E(B-V) (GNILC) (mag)0.929 ± 0.041
Nearest DR4 source 179819779 (3.9 arcs away)
2nd-nearest DR4 source 179819781 (9.3 arcs away)
3rd-nearest DR4 source 179819782 (10.0 arcs away)
Times observed38
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 18.462 ± 0.060 17.440 ± 0.036 16.464 ± 0.019 15.904 ± 0.018
Petrosian mag. — — 18.148 ± 0.055 17.073 ± 0.056 16.208 ± 0.044 15.741 ± 0.053

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 20140729111106 18.649 ± 0.129 0,0 5 2
g 20190505165725 18.576 ± 0.031 3,0 100 2
g 20190506165109 18.558 ± 0.033 3,0 100 2
g 20190507143127 18.534 ± 0.031 3,0 100 2
g 20190822094124 18.585 ± 0.032 3,0 100 2
r 20140719114939 17.414 ± 0.072 0,0 5 2
r 20140722114203 17.502 ± 0.070 0,0 5 2
r 20140729111131 17.291 ± 0.057 0,0 5 2
r 20160420170109 17.608 ± 0.101 0,0 5 2
r 20190505165926 17.458 ± 0.031 3,0 100 2
r 20190506165309 17.423 ± 0.030 3,0 100 2
r 20190507143327 17.456 ± 0.036 3,0 100 2
r 20190822094324 17.412 ± 0.031 3,0 100 2
r 20200524153415 17.337 ± 0.085 0,0 5 2
i 20140719115004 16.452 ± 0.043 0,0 10 2
i 20140722114229 16.455 ± 0.042 2,0 10 2
i 20140729111202 16.424 ± 0.041 2,0 10 2
i 20150901084153 16.488 ± 0.032 3,0 100 2
i 20150901084554 16.462 ± 0.030 3,0 100 2
i 20160420170134 16.531 ± 0.047 2,0 10 2
i 20180605124636 16.443 ± 0.052 0,0 10 2
i 20190419150817 16.505 ± 0.035 3,0 100 2
i 20190505170526 16.471 ± 0.031 3,0 100 2
i 20190508164002 16.468 ± 0.030 3,0 100 2
i 20190720124743 16.498 ± 0.058 3,0 100 2
i 20200524153441 16.441 ± 0.052 1,0 10 2
z 20140719115035 15.956 ± 0.041 1,0 20 2
z 20140722114259 15.913 ± 0.037 2,0 20 2
z 20140729111235 15.890 ± 0.037 2,0 20 2
z 20150901084353 15.952 ± 0.033 3,0 100 2
z 20150901084754 15.911 ± 0.031 3,0 100 2
z 20160420170204 15.995 ± 0.040 2,0 20 2
z 20180605124707 15.886 ± 0.044 1,0 20 2
z 20190419151018 15.922 ± 0.032 3,0 100 2
z 20190505170726 15.920 ± 0.031 3,0 100 2
z 20190508164202 15.908 ± 0.028 3,0 100 2
z 20190720124943 15.926 ± 0.057 3,0 100 2
z 20200513183957 15.914 ± 0.034 3,0 100 2
z 20200524153511 15.870 ± 0.049 0,0 20 3

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.64 3.29
GAIA source ID 4121011194915011456 4121011194881130624
Bp mag. 18.303 --
G mag. 17.144 20.488
Rp mag. 16.063 --
Bp/Rp excess 1.388 --
Parallax (mas) 0.335 ± 0.076 -- ± --
PM RA (mas/yr) -1.423 ± 0.091 -- ± --
PM Dec (mas/yr) -6.638 ± 0.064 -- ± --
A.E.N. (mas) 0.0 ± 0.0 2.210 ± 1.205

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 18.898 ± 0.007
r 17.410 ± 0.002
i 16.636 ± 0.005
z 16.174 ± 0.004
Y -- ± --
J 14.347 ± 0.036
H 13.621 ± 0.033
K 13.415 ± 0.038
W1 13.054 ± 0.013
W2 13.103 ± 0.012
W3 11.882 ± --
W4 8.909 ± --
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.