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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179857557 (SMSS J172644.38-202259.4)

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Data releaseDR4
RA (deg)261.6849
Dec (deg)-20.3831
Galactic lon. (deg)4.9521
Galactic lat. (deg)8.1941
E(B-V) (SFD98) (mag)0.760
E(B-V) (GNILC) (mag)0.577 ± 0.031
Nearest DR4 source 179857671 (5.1 arcs away)
2nd-nearest DR4 source 179857556 (5.6 arcs away)
3rd-nearest DR4 source 2268092898 (8.5 arcs away)
Times observed21
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. 19.29 ± 0.038 18.232 ± 0.028 17.395 ± 0.015 16.965 ± 0.017
Petrosian mag. 19.232 ± 0.074 18.251 ± 0.080 17.351 ± 0.103 16.988 ± 0.062

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 20190506165109 19.304 ± 0.050 3,0 100 2
r 20140722114203 18.483 ± 0.158 0,0 5 2
r 20140729111131 18.246 ± 0.123 0,0 5 2
r 20190505165926 18.311 ± 0.051 3,0 100 2
r 20190506165309 18.188 ± 0.042 3,0 100 2
i 20140719115004 17.643 ± 0.103 0,0 10 2
i 20140722114229 17.501 ± 0.083 0,0 10 2
i 20140729111202 17.613 ± 0.090 0,0 10 2
i 20150901084153 17.419 ± 0.042 19,0 100 2
i 20150901084554 17.415 ± 0.043 3,0 100 2
i 20160420170134 17.515 ± 0.103 16,0 10 2
i 20190505170526 17.414 ± 0.045 3,0 100 2
i 20190509140533 17.396 ± 0.055 3,0 100 2
i 20200513190610 17.423 ± 0.049 3,0 100 2
i 20210407183626 17.367 ± 0.100 0,0 10 2
z 20140719115035 17.003 ± 0.085 0,0 20 2
z 20140722114259 17.003 ± 0.069 0,0 20 2
z 20140729111235 17.105 ± 0.076 0,0 20 2
z 20150901084353 16.994 ± 0.046 19,0 100 2
z 20150901084754 16.951 ± 0.047 3,0 100 2
z 20160420170204 17.125 ± 0.101 16,0 20 2
z 20190505170726 17.003 ± 0.052 3,0 100 2
z 20190508164202 16.987 ± 0.051 3,0 100 2
z 20190509140733 17.028 ± 0.063 3,0 100 2
z 20210407183658 17.071 ± 0.108 0,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.27 3.2
GAIA source ID 4121230886717052800 4121230891021308288
Bp mag. 19.083 21.515
G mag. 18.030 20.322
Rp mag. 17.063 19.023
Bp/Rp excess 1.301 1.633
Parallax (mas) 0.586 ± 0.149 0.123 ± 1.053
PM RA (mas/yr) 4.384 ± 0.170 -3.340 ± 1.300
PM Dec (mas/yr) 5.279 ± 0.119 -6.080 ± 0.873
A.E.N. (mas) 0.191 ± 0.471 1.718 ± 1.231

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 18.251 ± 0.003
i 17.564 ± 0.006
z 17.206 ± 0.006
Y -- ± --
J 15.511 ± 0.007
H -- ± --
K 14.631 ± 0.012
W1 14.415 ± 0.03
W2 14.585 ± 0.04
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.