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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179819808 (SMSS J172716.50-205101.6)

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Data releaseDR4
RA (deg)261.8188
Dec (deg)-20.8505
Galactic lon. (deg)4.6253
Galactic lat. (deg)7.8343
E(B-V) (SFD98) (mag)0.940
E(B-V) (GNILC) (mag)0.929 ± 0.041
Nearest DR4 source 179821034 (5.7 arcs away)
2nd-nearest DR4 source 179819807 (6.1 arcs away)
3rd-nearest DR4 source 179819806 (6.5 arcs away)
Times observed1
Total bad pixels0
Observing flags1

Magnitudes

Filter u v g r i z
PSF mag. — — — — — 17.933 ± 0.317
Petrosian mag. — — — — — 17.796 ± 0.119

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 20150901084353 18.199 ± 0.108 1,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.28 2.75
GAIA source ID 4121011229240863232 4121011229246304384
Bp mag. 21.687 21.096
G mag. 20.278 20.768
Rp mag. 19.086 20.020
Bp/Rp excess 1.460 1.375
Parallax (mas) 2.468 ± 0.847 -- ± --
PM RA (mas/yr) 11.065 ± 0.919 -- ± --
PM Dec (mas/yr) -9.203 ± 0.689 -- ± --
A.E.N. (mas) 2.321 ± 2.758 4.960 ± 3.152

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 22.904 ± 0.142
r 20.921 ± 0.019
i 19.499 ± 0.033
z 18.772 ± 0.024
Y -- ± --
J 16.695 ± 0.021
H -- ± --
K 15.564 ± 0.026
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.