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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 2275599621 (SMSS J172117.67-201443.4)

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Data releaseDR4
RA (deg)260.3236
Dec (deg)-20.2454
Galactic lon. (deg)4.3593
Galactic lat. (deg)9.3367
E(B-V) (SFD98) (mag)0.468
E(B-V) (GNILC) (mag)0.392 ± 0.017
Nearest DR4 source 184980996 (10.4 arcs away)
Times observed1
Total bad pixels0
Observing flags0

Magnitudes

Filter u v g r i z
PSF mag. — — — 18.883 ± 0.201 — —
Petrosian mag. — — — 18.602 ± 0.082 — —

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 18.937 ± 0.071 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.88 1.17
GAIA source ID 4121972408539935872 4121972408539935744
Bp mag. 19.962 20.461
G mag. 19.456 20.007
Rp mag. 18.752 19.213
Bp/Rp excess 1.260 1.352
Parallax (mas) -0.703 ± 0.489 -0.162 ± 0.791
PM RA (mas/yr) -4.112 ± 0.572 -1.071 ± 0.840
PM Dec (mas/yr) -6.688 ± 0.330 -5.086 ± 0.520
A.E.N. (mas) 0.0 ± 0.000 0.962 ± 0.588

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 20.072 ± 0.011
r 19.549 ± 0.006
i 19.333 ± 0.015
z 19.213 ± 0.021
Y -- ± --
J 17.973 ± 0.055
H -- ± --
K 17.553 ± 0.144
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.