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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 1218843013 (SMSS J172113.68-201437.3)

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Data releaseDR4
RA (deg)260.3070
Dec (deg)-20.2437
Galactic lon. (deg)4.3520
Galactic lat. (deg)9.3506
E(B-V) (SFD98) (mag)0.468
E(B-V) (GNILC) (mag)0.392 ± 0.017
Nearest DR4 source 184980989 (4.3 arcs away)
2nd-nearest DR4 source 1218843006 (7.8 arcs away)
3rd-nearest DR4 source 184980987 (8.6 arcs away)
Times observed2
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — — — 18.659 ± 0.086 18.534 ± 0.099
Petrosian mag. — — — — 18.747 ± 0.110 18.625 ± 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)
i 20180718120132 18.658 ± 0.085 3,0 100 2
z 20180718120334 18.576 ± 0.132 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.04 2.3
GAIA source ID 4121949142716876800 4121949146993463424
Bp mag. 19.722 --
G mag. 19.070 20.793
Rp mag. 18.424 --
Bp/Rp excess 1.160 --
Parallax (mas) 0.020 ± 0.350 -- ± --
PM RA (mas/yr) -3.382 ± 0.418 -- ± --
PM Dec (mas/yr) -6.536 ± 0.250 -- ± --
A.E.N. (mas) 0.310 ± 0.304 0.0 ± 0.0

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 19.676 ± 0.009
r 19.044 ± 0.006
i 18.704 ± 0.012
z 18.650 ± 0.013
Y -- ± --
J 17.473 ± 0.035
H -- ± --
K 17.013 ± 0.088
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.