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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 2275599567 (SMSS J172112.63-201503.4)

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Data releaseDR4
RA (deg)260.3026
Dec (deg)-20.2509
Galactic lon. (deg)4.3436
Galactic lat. (deg)9.3500
E(B-V) (SFD98) (mag)0.468
E(B-V) (GNILC) (mag)0.392 ± 0.017
Nearest DR4 source 2275599302 (3.5 arcs away)
2nd-nearest DR4 source 2275599566 (3.7 arcs away)
3rd-nearest DR4 source 184980966 (5.6 arcs away)
Times observed1
Total bad pixels0
Observing flags1

Magnitudes

Filter u v g r i z
PSF mag. — — — 19.902 ± 0.042 — —
Petrosian mag. — — — 20.066 ± 0.198 — —

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 19.872 ± 0.118 1,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.13 2.29
GAIA source ID 4121949146983971200 4121949146993459968
Bp mag. 20.577 20.951
G mag. 19.874 21.069
Rp mag. 19.258 20.621
Bp/Rp excess 1.122 1.444
Parallax (mas) -0.044 ± 0.618 -- ± --
PM RA (mas/yr) -4.438 ± 0.715 -- ± --
PM Dec (mas/yr) -6.561 ± 0.464 -- ± --
A.E.N. (mas) 2.180 ± 6.811 6.949 ± 2.420

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 20.891 ± 0.017
r 20.055 ± 0.010
i 19.734 ± 0.020
z 19.553 ± 0.022
Y -- ± --
J 18.084 ± 0.061
H -- ± --
K 17.403 ± 0.126
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.