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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 1218898699 (SMSS J172130.69-194003.1)

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Data releaseDR4
RA (deg)260.3778
Dec (deg)-19.6675
Galactic lon. (deg)4.8762
Galactic lat. (deg)9.6134
E(B-V) (SFD98) (mag)0.493
E(B-V) (GNILC) (mag)0.451 ± 0.018
Nearest DR4 source 1218898700 (4.2 arcs away)
2nd-nearest DR4 source 1218898698 (4.9 arcs away)
3rd-nearest DR4 source 2275658047 (5.8 arcs away)
Times observed3
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 19.627 ± 0.378 19.456 ± 0.040 19.065 ± 0.032 —
Petrosian mag. — — 19.691 ± 0.090 19.602 ± 0.126 19.449 ± 0.225 —

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)
g 20180718115326 20.001 ± 0.094 2,0 100 2
r 20180718115528 19.448 ± 0.083 3,0 100 2
i 20180718120132 19.076 ± 0.114 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.36 2.15
GAIA source ID 4122136162752354432 4122136167064001920
Bp mag. 20.025 --
G mag. 19.383 20.903
Rp mag. 18.682 --
Bp/Rp excess 1.204 --
Parallax (mas) 0.419 ± 0.357 -- ± --
PM RA (mas/yr) -4.858 ± 0.496 -- ± --
PM Dec (mas/yr) -5.064 ± 0.358 -- ± --
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 20.112 ± 0.019
r 19.409 ± 0.009
i -- ± --
z -- ± --
Y -- ± --
J 17.687 ± 0.042
H -- ± --
K 17.275 ± 0.109
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.