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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 1218843001 (SMSS J172113.70-201447.4)

Find on Search these coordinates on SIMBAD   

Data releaseDR4
RA (deg)260.3071
Dec (deg)-20.2465
Galactic lon. (deg)4.3496
Galactic lat. (deg)9.3490
E(B-V) (SFD98) (mag)0.468
E(B-V) (GNILC) (mag)0.392 ± 0.017
Nearest DR4 source 184980982 (3.5 arcs away)
2nd-nearest DR4 source 1218843006 (8.8 arcs away)
3rd-nearest DR4 source 1218843003 (9.5 arcs away)
Times observed1
Total bad pixels0
Observing flags1027

Magnitudes

Filter u v g r i z
PSF mag. — — — 19.223 ± -- 18.843 ± 0.027 —
Petrosian mag. — — — 19.666 ± -- 19.244 ± 0.129 —

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 19.429 ± 0.084 1027,0 100 2
i 20180718120132 18.948 ± 0.103 3,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.22 3.46
GAIA source ID 4121949146983977984 4121949142689529472
Bp mag. 19.827 19.092
G mag. 19.201 18.478
Rp mag. 18.539 17.778
Bp/Rp excess 1.183 1.214
Parallax (mas) 0.312 ± 0.329 0.033 ± 0.196
PM RA (mas/yr) -1.814 ± 0.421 -8.963 ± 0.223
PM Dec (mas/yr) -7.840 ± 0.265 -4.816 ± 0.149
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 20.039 ± 0.009
r 19.382 ± 0.006
i 19.048 ± 0.011
z 18.889 ± 0.013
Y -- ± --
J 17.639 ± 0.041
H -- ± --
K 17.073 ± 0.093
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.