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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 2275599593 (SMSS J172112.88-201439.4)

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Data releaseDR4
RA (deg)260.3037
Dec (deg)-20.2443
Galactic lon. (deg)4.3498
Galactic lat. (deg)9.3529
E(B-V) (SFD98) (mag)0.468
E(B-V) (GNILC) (mag)0.392 ± 0.017
Nearest DR4 source 184980987 (4.8 arcs away)
2nd-nearest DR4 source 184980981 (8.4 arcs away)
3rd-nearest DR4 source 184980857 (8.6 arcs away)
Times observed0
Total bad pixels0
Observing flags512

Magnitudes

Filter u v g r i z
PSF mag. — — — — — 17.962 ± --
Petrosian mag. — — — — — 18.067 ± --

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 20140626131048 17.930 ± 0.154 512,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.49 1.21
GAIA source ID 4121949142692807040 4121949146984018304
Bp mag. 19.591 --
G mag. 18.866 19.625
Rp mag. 17.997 --
Bp/Rp excess 1.309 --
Parallax (mas) 0.340 ± 0.264 0.676 ± 0.435
PM RA (mas/yr) 0.025 ± 0.300 -9.289 ± 0.587
PM Dec (mas/yr) -2.394 ± 0.196 -3.476 ± 0.375
A.E.N. (mas) 0.0 ± 0.0 0.0 ± 0.0

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 19.589 ± 0.008
r 18.546 ± 0.003
i 18.122 ± 0.008
z 17.913 ± 0.012
Y -- ± --
J 16.901 ± 0.021
H -- ± --
K 16.134 ± 0.040
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.