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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179879095 (SMSS J172923.80-205107.1)

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Data releaseDR4
RA (deg)262.3491
Dec (deg)-20.8520
Galactic lon. (deg)4.8957
Galactic lat. (deg)7.4174
E(B-V) (SFD98) (mag)0.989
E(B-V) (GNILC) (mag)0.904 ± 0.042
Nearest DR4 source 179879096 (7.4 arcs away)
2nd-nearest DR4 source 179879094 (8.1 arcs away)
3rd-nearest DR4 source 179879093 (11.6 arcs away)
Times observed29
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 19.290 ± 0.018 18.187 ± 0.013 17.332 ± 0.013 16.831 ± 0.019
Petrosian mag. — — 19.425 ± 0.047 18.212 ± 0.031 17.364 ± 0.029 16.732 ± 0.120

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 20190505165725 19.294 ± 0.052 0,0 100 2
g 20190506165109 19.320 ± 0.05 0,0 100 2
g 20190507143127 19.333 ± 0.059 0,0 100 2
g 20190822094124 19.285 ± 0.052 0,0 100 2
r 20140722114203 18.299 ± 0.143 0,0 5 2
r 20140729111131 18.214 ± 0.125 512,0 5 2
r 20190505165926 18.207 ± 0.044 0,0 100 2
r 20190506165309 18.188 ± 0.041 0,0 100 2
r 20190507143327 18.138 ± 0.050 1,0 100 2
r 20190822094324 18.191 ± 0.044 1,0 100 2
i 20140719115004 17.477 ± 0.096 0,0 10 2
i 20140722114229 17.366 ± 0.079 0,0 10 2
i 20140729111202 17.244 ± 0.070 0,0 10 2
i 20150901084153 17.337 ± 0.040 0,0 100 2
i 20150901084554 17.353 ± 0.041 0,0 100 2
i 20160420172350 17.500 ± 0.116 0,0 10 2
i 20190419150817 17.424 ± 0.055 8193,0 100 2
i 20190505170526 17.304 ± 0.041 1,0 100 2
i 20190508164002 17.310 ± 0.045 3,0 100 2
i 20190720124743 17.322 ± 0.069 3,0 100 2
z 20140719115035 16.912 ± 0.083 0,0 20 2
z 20140722114259 16.852 ± 0.067 0,0 20 2
z 20140729111235 16.821 ± 0.064 0,0 20 2
z 20150901084353 16.823 ± 0.042 0,0 100 2
z 20150901084754 16.863 ± 0.042 0,0 100 2
z 20160420172420 16.334 ± 0.054 0,0 20 2
z 20180605125833 16.929 ± 0.097 0,0 20 2
z 20190419151018 16.870 ± 0.054 8193,0 100 2
z 20190505170726 16.802 ± 0.043 0,0 100 2
z 20190508164202 16.786 ± 0.046 0,0 100 2
z 20190720124943 16.786 ± 0.067 3,0 100 2
z 20200513183957 16.944 ± 0.057 1,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.17 3.45
GAIA source ID 4120965045423411712 4120965049781682048
Bp mag. 19.119 20.580
G mag. 17.973 19.938
Rp mag. 16.961 18.962
Bp/Rp excess 1.321 1.435
Parallax (mas) 0.087 ± 0.194 2.123 ± 1.118
PM RA (mas/yr) -4.971 ± 0.207 -6.439 ± 1.461
PM Dec (mas/yr) -1.173 ± 0.125 -5.558 ± 0.633
A.E.N. (mas) 0.0 ± 0.0 1.356 ± 1.116

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 19.559 ± 0.008
r 18.228 ± 0.003
i 17.456 ± 0.006
z 17.013 ± 0.005
Y -- ± --
J 15.255 ± 0.006
H -- ± --
K 14.328 ± 0.009
W1 14.395 ± 0.024
W2 15.276 ± 0.135
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.