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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 2275599598 (SMSS J172115.48-201459.6)

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Data releaseDR4
RA (deg)260.3145
Dec (deg)-20.2499
Galactic lon. (deg)4.3507
Galactic lat. (deg)9.3413
E(B-V) (SFD98) (mag)0.468
E(B-V) (GNILC) (mag)0.392 ± 0.017
Nearest DR4 source 2275599574 (5.9 arcs away)
2nd-nearest DR4 source 184980974 (6.7 arcs away)
3rd-nearest DR4 source 2275599617 (7.3 arcs away)
Times observed0
Total bad pixels0
Observing flags17

Magnitudes

Filter u v g r i z
PSF mag. — — — 19.364 ± -- — —
Petrosian mag. — — — 19.605 ± -- — —

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 19.699 ± 0.103 17,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.12 4.69
GAIA source ID 4121948940827521920 4121948940827522944
Bp mag. 20.369 20.534
G mag. 19.606 19.933
Rp mag. 19.068 19.039
Bp/Rp excess 1.050 1.376
Parallax (mas) 0.464 ± 0.550 -0.718 ± 0.720
PM RA (mas/yr) 2.230 ± 0.646 -2.229 ± 0.821
PM Dec (mas/yr) -3.810 ± 0.372 -5.878 ± 0.487
A.E.N. (mas) 0.346 ± 0.164 1.213 ± 1.350

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 20.375 ± 0.012
r 19.591 ± 0.007
i 19.279 ± 0.017
z 19.047 ± 0.020
Y -- ± --
J 18.080 ± 0.061
H -- ± --
K 17.486 ± 0.136
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.