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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179842305 (SMSS J172559.21-202510.5)

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Data releaseDR4
RA (deg)261.4967
Dec (deg)-20.4196
Galactic lon. (deg)4.8240
Galactic lat. (deg)8.3220
E(B-V) (SFD98) (mag)0.642
E(B-V) (GNILC) (mag)0.462 ± 0.022
Nearest DR4 source 179842304 (5.7 arcs away)
2nd-nearest DR4 source 179842301 (8.2 arcs away)
3rd-nearest DR4 source 179842300 (9.3 arcs away)
Times observed2
Total bad pixels0
Observing flags1

Magnitudes

Filter u v g r i z
PSF mag. — — — — 18.554 ± 0.026 —
Petrosian mag. — — — — 18.840 ± 0.132 —

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 20150901084554 18.558 ± 0.088 1,0 100 2
i 20190505170526 18.642 ± 0.097 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.36 2.33
GAIA source ID 4121236590448509824 4121236594735665536
Bp mag. 19.579 20.806
G mag. 18.875 19.871
Rp mag. 18.157 19.381
Bp/Rp excess 1.195 0.967
Parallax (mas) 0.165 ± 0.208 0.212 ± 0.465
PM RA (mas/yr) -5.965 ± 0.269 -8.238 ± 0.620
PM Dec (mas/yr) -3.745 ± 0.183 -8.766 ± 0.397
A.E.N. (mas) 0.0 ± 0.0 0.0 ± 0.0

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 19.820 ± 0.010
r 19.025 ± 0.005
i 18.663 ± 0.011
z 18.466 ± 0.012
Y -- ± --
J 17.045 ± 0.025
H -- ± --
K 16.582 ± 0.057
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.