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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 1218843555 (SMSS J172115.18-201359.4)

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Data releaseDR4
RA (deg)260.3132
Dec (deg)-20.2332
Galactic lon. (deg)4.3641
Galactic lat. (deg)9.3515
E(B-V) (SFD98) (mag)0.468
E(B-V) (GNILC) (mag)0.392 ± 0.017
Nearest DR4 source 2275600235 (8.0 arcs away)
2nd-nearest DR4 source 2275600216 (10.2 arcs away)
3rd-nearest DR4 source 184981262 (11.9 arcs away)
Times observed1
Total bad pixels0
Observing flags1040

Magnitudes

Filter u v g r i z
PSF mag. — — — 19.684 ± -- 19.209 ± 0.084 —
Petrosian mag. — — — 20.079 ± -- 19.558 ± 0.134 —

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 19.949 ± 0.126 1040,0 100 2
i 20180718120132 19.324 ± 0.139 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.07 3.39
GAIA source ID 4121972614698551424 4121972614702870144
Bp mag. 20.185 21.043
G mag. 19.616 20.398
Rp mag. 18.918 19.561
Bp/Rp excess 1.230 1.310
Parallax (mas) 0.634 ± 0.550 0.762 ± 1.514
PM RA (mas/yr) -0.158 ± 0.634 -4.743 ± 2.184
PM Dec (mas/yr) -7.612 ± 0.377 -4.299 ± 1.436
A.E.N. (mas) 0.0 ± 0.000 2.611 ± 2.469

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 20.431 ± 0.011
r 19.789 ± 0.007
i 19.399 ± 0.016
z 19.213 ± 0.017
Y -- ± --
J 18.019 ± 0.057
H -- ± --
K 17.412 ± 0.127
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.