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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179900622 (SMSS J172816.21-203604.3)

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Data releaseDR4
RA (deg)262.0676
Dec (deg)-20.6012
Galactic lon. (deg)4.9642
Galactic lat. (deg)7.7747
E(B-V) (SFD98) (mag)0.862
E(B-V) (GNILC) (mag)0.742 ± 0.036
Nearest DR4 source 179900620 (5.2 arcs away)
2nd-nearest DR4 source 179900621 (6.6 arcs away)
3rd-nearest DR4 source 179900630 (7.8 arcs away)
Times observed1
Total bad pixels0
Observing flags1

Magnitudes

Filter u v g r i z
PSF mag. — — — — 18.693 ± 0.083 —
Petrosian mag. — — — — 18.562 ± 0.130 —

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 20150901084153 18.727 ± 0.103 1,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.31 1.45
GAIA source ID 4121034044102962048 4121034044142469504
Bp mag. 19.992 --
G mag. 19.168 20.694
Rp mag. 18.270 --
Bp/Rp excess 1.301 --
Parallax (mas) 0.946 ± 0.387 -- ± --
PM RA (mas/yr) -2.792 ± 0.391 -- ± --
PM Dec (mas/yr) -3.195 ± 0.288 -- ± --
A.E.N. (mas) 0.208 ± 0.093 2.641 ± 0.662

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 19.148 ± 0.007
i -- ± --
z -- ± --
Y -- ± --
J 17.028 ± 0.028
H -- ± --
K 16.363 ± 0.053
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.