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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 1212980053 (SMSS J172820.18-203502.0)

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Data releaseDR4
RA (deg)262.0842
Dec (deg)-20.5839
Galactic lon. (deg)4.9873
Galactic lat. (deg)7.7710
E(B-V) (SFD98) (mag)0.862
E(B-V) (GNILC) (mag)0.697 ± 0.034
Nearest DR4 source 179900788 (3.3 arcs away)
2nd-nearest DR4 source 179900805 (7.7 arcs away)
3rd-nearest DR4 source 179900784 (10.1 arcs away)
Times observed1
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — — — — 17.260 ± 0.135
Petrosian mag. — — — — — 17.070 ± 0.15

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)
z 20160420172420 17.146 ± 0.094 3,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.12 1.48
GAIA source ID 4121034078462738176 4121034078462728832
Bp mag. 20.399 --
G mag. 18.977 20.193
Rp mag. 17.619 --
Bp/Rp excess 1.665 --
Parallax (mas) 1.192 ± 0.367 -6.337 ± 1.401
PM RA (mas/yr) -7.028 ± 0.392 1.288 ± 1.454
PM Dec (mas/yr) -5.291 ± 0.319 -0.232 ± 1.116
A.E.N. (mas) 0.779 ± 1.675 5.454 ± 12.038

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 19.064 ± 0.005
i -- ± --
z -- ± --
Y -- ± --
J 15.816 ± 0.010
H -- ± --
K 14.853 ± 0.014
W1 13.491 ± 0.018
W2 13.54 ± 0.02
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.