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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179909142 (SMSS J172801.53-202608.1)

Find on Search these coordinates on SIMBAD   

Data releaseDR4
RA (deg)262.006
Dec (deg)-20.436
Galactic lon. (deg)5.073
Galactic lat. (deg)7.913
E(B-V) (SFD98) (mag)0.814
E(B-V) (GNILC) (mag)0.615 ± 0.023
Nearest DR4 source 179909141 (9.1 arcs away)
2nd-nearest DR4 source 179909139 (9.3 arcs away)
3rd-nearest DR4 source 179909140 (11.8 arcs away)
Times observed17
Total bad pixels0
Observing flags1

Magnitudes

Filter u v g r i z
PSF mag. 18.392 ± 0.164 17.805 ± 0.077 17.548 ± 0.044
Petrosian mag. 18.193 ± 0.061 17.498 ± 0.064 17.306 ± 0.076

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)
r 20190505165926 18.736 ± 0.072 0,0 100 2
r 20190507143327 18.656 ± 0.069 0,0 100 2
r 20190822094324 18.678 ± 0.065 0,0 100 2
i 20140729111202 17.858 ± 0.112 0,0 10 2
i 20150901084554 17.841 ± 0.054 0,0 100 2
i 20190505170526 17.869 ± 0.060 0,0 100 2
i 20190508164002 17.970 ± 0.074 0,0 100 2
i 20190509140533 17.866 ± 0.067 0,0 100 2
i 20190720124743 17.817 ± 0.084 1,0 100 2
i 20200513190610 17.976 ± 0.073 0,0 100 2
z 20140729111235 17.461 ± 0.102 0,0 20 2
z 20150901084754 17.535 ± 0.067 0,0 100 2
z 20160420172420 17.780 ± 0.179 0,0 20 2
z 20190505170726 17.480 ± 0.072 0,0 100 2
z 20190508164202 17.603 ± 0.080 0,0 100 2
z 20190509140733 17.586 ± 0.084 0,0 100 2
z 20190720124943 17.453 ± 0.084 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.74 1.87
GAIA source ID 4121062459648786688 4121062459648785792
Bp mag. 19.778 20.116
G mag. 18.817 19.722
Rp mag. 17.735 18.742
Bp/Rp excess 1.438 1.543
Parallax (mas) 0.302 ± 0.291 -0.961 ± 0.633
PM RA (mas/yr) 4.619 ± 0.341 -1.727 ± 0.789
PM Dec (mas/yr) -5.274 ± 0.232 -3.691 ± 0.447
A.E.N. (mas) 0.0 ± 0.0 0.218 ± 0.053

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 18.997 ± 0.006
i -- ± --
z -- ± --
Y -- ± --
J 16.167 ± 0.013
H -- ± --
K 15.269 ± 0.022
W1 15.491 ± 0.034
W2 16.65 ± 0.165
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.