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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 2275600205 (SMSS J172112.54-201412.6)

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Data releaseDR4
RA (deg)260.3023
Dec (deg)-20.2368
Galactic lon. (deg)4.3553
Galactic lat. (deg)9.3581
E(B-V) (SFD98) (mag)0.468
E(B-V) (GNILC) (mag)0.392 ± 0.017
Nearest DR4 source 1218843545 (2.3 arcs away)
2nd-nearest DR4 source 1218843270 (7.4 arcs away)
3rd-nearest DR4 source 1218843015 (8.3 arcs away)
Times observed1
Total bad pixels0
Observing flags2

Magnitudes

Filter u v g r i z
PSF mag. — — — — — 18.655 ± 0.043
Petrosian mag. — — — — — 18.748 ± 0.131

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 20180718120334 18.586 ± 0.133 2,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.28 1.52
GAIA source ID 4121972614701984128 4121972614735498112
Bp mag. 20.473 --
G mag. 19.779 20.653
Rp mag. 18.742 --
Bp/Rp excess 1.477 --
Parallax (mas) -1.055 ± 0.800 -- ± --
PM RA (mas/yr) -5.041 ± 0.940 -- ± --
PM Dec (mas/yr) -9.767 ± 0.578 -- ± --
A.E.N. (mas) 2.657 ± 7.588 13.080 ± 33.462

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 20.862 ± 0.016
r 19.760 ± 0.008
i 19.260 ± 0.014
z 18.905 ± 0.015
Y -- ± --
J 17.519 ± 0.036
H -- ± --
K 16.710 ± 0.067
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.