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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179843679 (SMSS J172631.52-204313.8)

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Data releaseDR4
RA (deg)261.631
Dec (deg)-20.721
Galactic lon. (deg)4.639
Galactic lat. (deg)8.052
E(B-V) (SFD98) (mag)0.94
E(B-V) (GNILC) (mag)0.745 ± 0.043
Nearest DR4 source 179843678 (3.2 arcs away)
2nd-nearest DR4 source 2268077711 (7.1 arcs away)
3rd-nearest DR4 source 179843683 (7.4 arcs away)
Times observed36
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 18.278 ± 0.128 17.351 ± 0.128 16.337 ± 0.083 15.754 ± 0.092
Petrosian mag. — — 17.955 ± 0.068 16.816 ± 0.071 15.970 ± 0.072 15.457 ± 0.082

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 18.696 ± 0.033 0,0 100 2
g 20190506165109 18.726 ± 0.036 1,0 100 2
g 20190507143127 18.723 ± 0.036 0,0 100 2
g 20190822094124 18.774 ± 0.036 1,0 100 2
r 20140722114203 17.615 ± 0.077 2,0 5 2
r 20140729111131 17.670 ± 0.075 0,0 5 2
r 20160420170109 17.860 ± 0.125 0,0 5 2
r 20190505165926 17.724 ± 0.033 1,0 100 2
r 20190506165309 17.733 ± 0.032 1,0 100 2
r 20190507143327 17.714 ± 0.034 1,0 100 2
r 20190822094324 17.739 ± 0.033 1,0 100 2
i 20140722114229 16.768 ± 0.051 2,0 10 2
i 20140729111202 16.774 ± 0.048 2,0 10 2
i 20150901084153 16.772 ± 0.032 3,0 100 2
i 20150901084554 16.834 ± 0.033 3,0 100 2
i 20160420170134 16.798 ± 0.058 2,0 10 2
i 20180605124636 16.789 ± 0.068 0,0 10 2
i 20190505170526 16.810 ± 0.033 3,0 100 2
i 20190508164002 16.747 ± 0.032 3,0 100 2
i 20190509140533 16.811 ± 0.049 1,0 100 2
i 20190720124743 16.797 ± 0.059 3,0 100 2
i 20200513190610 16.799 ± 0.036 1,0 100 2
i 20200524153441 16.889 ± 0.067 0,0 10 2
i 20210407183626 16.770 ± 0.061 2,0 10 2
z 20140722114259 16.237 ± 0.044 2,0 20 2
z 20140729111235 16.247 ± 0.041 3,0 20 2
z 20150901084353 16.290 ± 0.032 3,0 100 2
z 20150901084754 16.283 ± 0.033 3,0 100 2
z 20160420170204 16.353 ± 0.050 2,0 20 2
z 20180605124707 16.308 ± 0.059 0,0 20 2
z 20190505170726 16.281 ± 0.034 3,0 100 2
z 20190508164202 16.231 ± 0.031 3,0 100 2
z 20190509140733 16.268 ± 0.052 0,0 100 2
z 20190720124943 16.276 ± 0.058 3,0 100 2
z 20200513190811 16.281 ± 0.042 1,0 100 2
z 20200524153511 16.261 ± 0.062 0,0 20 3
z 20210407183658 16.296 ± 0.055 3,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 1.32 1.33
GAIA source ID 4121028477863789824 4121028477832228736
Bp mag. 19.333 --
G mag. 18.790 19.721
Rp mag. 17.314 --
Bp/Rp excess 2.078 --
Parallax (mas) 0.024 ± 0.219 0.924 ± 0.386
PM RA (mas/yr) -3.405 ± 0.289 -2.458 ± 0.536
PM Dec (mas/yr) -1.760 ± 0.197 -6.276 ± 0.356
A.E.N. (mas) 0.194 ± 0.202 0.819 ± 1.035

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 21.287 ± 0.017
r 20.112 ± 0.007
i 19.492 ± 0.013
z 19.083 ± 0.012
Y -- ± --
J 17.135 ± 0.031
H 14.386 ± 0.095
K 16.555 ± 0.064
W1 -- ± --
W2 -- ± --
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.