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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 2275599618 (SMSS J172116.07-201450.5)

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Data releaseDR4
RA (deg)260.3170
Dec (deg)-20.2474
Galactic lon. (deg)4.3541
Galactic lat. (deg)9.3408
E(B-V) (SFD98) (mag)0.468
E(B-V) (GNILC) (mag)0.392 ± 0.017
Nearest DR4 source 2275599617 (5.2 arcs away)
2nd-nearest DR4 source 184980986 (8.1 arcs away)
3rd-nearest DR4 source 184980993 (10.3 arcs away)
Times observed1
Total bad pixels0
Observing flags19

Magnitudes

Filter u v g r i z
PSF mag. — — — 19.325 ± 0.092 18.808 ± -- —
Petrosian mag. — — — 18.659 ± 0.118 19.097 ± -- —

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 20180802115408 19.267 ± 0.089 3,0 100 2
i 20180718120132 19.087 ± 0.115 17,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.65 1.3
GAIA source ID 4121972404259752448 4121972408587806336
Bp mag. 20.074 --
G mag. 19.395 20.502
Rp mag. 18.663 --
Bp/Rp excess 1.214 --
Parallax (mas) -0.742 ± 0.469 -0.576 ± 2.458
PM RA (mas/yr) -2.349 ± 0.530 -2.760 ± 1.970
PM Dec (mas/yr) -5.299 ± 0.338 0.247 ± 1.709
A.E.N. (mas) 0.267 ± 0.135 2.280 ± 1.298

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 19.727 ± 0.009
r 19.023 ± 0.005
i 18.823 ± 0.013
z 18.755 ± 0.016
Y -- ± --
J 17.891 ± 0.051
H -- ± --
K 17.331 ± 0.118
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.