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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179909131 (SMSS J172801.47-202626.2)

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Data releaseDR4
RA (deg)262.006
Dec (deg)-20.441
Galactic lon. (deg)5.069
Galactic lat. (deg)7.910
E(B-V) (SFD98) (mag)0.814
E(B-V) (GNILC) (mag)0.634 ± 0.030
Nearest DR4 source 179909140 (7.0 arcs away)
2nd-nearest DR4 source 179909132 (7.1 arcs away)
3rd-nearest DR4 source 179909130 (10.5 arcs away)
Times observed3
Total bad pixels0
Observing flags1

Magnitudes

Filter u v g r i z
PSF mag. — — — — 18.294 ± 0.086 —
Petrosian mag. — — — — 18.192 ± 0.063 —

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)
i 20150901084554 18.289 ± 0.073 0,0 100 2
i 20190505170526 18.262 ± 0.077 1,0 100 2
i 20190509140533 18.316 ± 0.085 1,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.98 1.11
GAIA source ID 4121062390904585344 4121062390904592768
Bp mag. 20.122 19.794
G mag. 19.602 19.089
Rp mag. 18.650 18.397
Bp/Rp excess 1.461 1.175
Parallax (mas) 2.542 ± 0.663 0.418 ± 0.416
PM RA (mas/yr) -4.654 ± 0.837 2.006 ± 0.552
PM Dec (mas/yr) -2.224 ± 0.469 -0.132 ± 0.306
A.E.N. (mas) 1.051 ± 2.571 0.0 ± 0.0

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 19.607 ± 0.010
i -- ± --
z -- ± --
Y -- ± --
J 17.393 ± 0.038
H -- ± --
K 16.671 ± 0.077
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.