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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179821071 (SMSS J172716.17-204936.5)

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Data releaseDR4
RA (deg)261.8174
Dec (deg)-20.8269
Galactic lon. (deg)4.6446
Galactic lat. (deg)7.8483
E(B-V) (SFD98) (mag)0.983
E(B-V) (GNILC) (mag)0.861 ± 0.037
Nearest DR4 source 179821063 (6.7 arcs away)
2nd-nearest DR4 source 179821072 (10.5 arcs away)
3rd-nearest DR4 source 179821173 (12.9 arcs away)
Times observed2
Total bad pixels0
Observing flags0

Magnitudes

Filter u v g r i z
PSF mag. — — — — 18.508 ± 0.246 —
Petrosian mag. — — — — 18.305 ± 0.078 —

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 20150901084153 18.867 ± 0.114 0,0 100 2
i 20190505170526 18.915 ± 0.110 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.32 2.68
GAIA source ID 4121023083350723584 4121023083350717824
Bp mag. 20.704 --
G mag. 19.594 20.678
Rp mag. 18.719 --
Bp/Rp excess 1.203 --
Parallax (mas) 0.736 ± 0.387 -- ± --
PM RA (mas/yr) -3.851 ± 0.518 -- ± --
PM Dec (mas/yr) -2.239 ± 0.363 -- ± --
A.E.N. (mas) 1.286 ± 2.404 3.880 ± 1.800

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 21.173 ± 0.020
r 19.856 ± 0.009
i 19.118 ± 0.014
z 18.716 ± 0.014
Y -- ± --
J 17.009 ± 0.028
H -- ± --
K 16.198 ± 0.046
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.