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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179900775 (SMSS J172818.80-203529.1)

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Data releaseDR4
RA (deg)262.0783
Dec (deg)-20.5914
Galactic lon. (deg)4.978
Galactic lat. (deg)7.7715
E(B-V) (SFD98) (mag)0.862
E(B-V) (GNILC) (mag)0.742 ± 0.036
Nearest DR4 source 179900773 (4.5 arcs away)
2nd-nearest DR4 source 179900723 (5.4 arcs away)
3rd-nearest DR4 source 179900776 (9.4 arcs away)
Times observed1
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — — — — 17.070 ± 0.188
Petrosian mag. — — — — — 17.104 ± 0.168

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)
z 20160420172420 17.0 ± 0.083 3,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.17 0.91
GAIA source ID 4121034074140839808 4121034078465912832
Bp mag. 19.612 --
G mag. 19.023 20.438
Rp mag. 17.624 --
Bp/Rp excess 1.948 --
Parallax (mas) 0.212 ± 0.347 -- ± --
PM RA (mas/yr) -0.844 ± 0.380 -- ± --
PM Dec (mas/yr) -5.065 ± 0.299 -- ± --
A.E.N. (mas) 0.566 ± 0.946 1.115 ± 0.257

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 18.718 ± 0.004
i -- ± --
z -- ± --
Y -- ± --
J 14.856 ± 0.013
H -- ± --
K 13.967 ± 0.019
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.