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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 2275599302 (SMSS J172112.43-201501.2)

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Data releaseDR4
RA (deg)260.3018
Dec (deg)-20.2503
Galactic lon. (deg)4.3437
Galactic lat. (deg)9.3510
E(B-V) (SFD98) (mag)0.468
E(B-V) (GNILC) (mag)0.392 ± 0.017
Nearest DR4 source 2275599567 (3.5 arcs away)
2nd-nearest DR4 source 1218842781 (6.7 arcs away)
3rd-nearest DR4 source 2275599566 (6.9 arcs away)
Times observed1
Total bad pixels0
Observing flags0

Magnitudes

Filter u v g r i z
PSF mag. — — — 19.783 ± 0.061 — —
Petrosian mag. — — — 20.139 ± 0.143 — —

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)
r 20180718115528 19.944 ± 0.126 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.11 3.62
GAIA source ID 4121949146983982720 4121949146983971200
Bp mag. 20.463 20.577
G mag. 19.721 19.874
Rp mag. 19.100 19.258
Bp/Rp excess 1.111 1.122
Parallax (mas) 0.451 ± 0.465 -0.044 ± 0.618
PM RA (mas/yr) -0.053 ± 0.625 -4.438 ± 0.715
PM Dec (mas/yr) -2.940 ± 0.391 -6.561 ± 0.464
A.E.N. (mas) 0.0 ± 0.0 2.180 ± 6.811

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 20.661 ± 0.013
r 19.939 ± 0.010
i 19.595 ± 0.017
z 19.471 ± 0.020
Y -- ± --
J 18.096 ± 0.062
H -- ± --
K 17.567 ± 0.146
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.