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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179837523 (SMSS J172501.20-202204.5)

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Data releaseDR4
RA (deg)261.2550
Dec (deg)-20.3679
Galactic lon. (deg)4.7424
Galactic lat. (deg)8.5399
E(B-V) (SFD98) (mag)0.688
E(B-V) (GNILC) (mag)0.567 ± 0.028
Nearest DR4 source 179837522 (4.6 arcs away)
2nd-nearest DR4 source 179837579 (6.8 arcs away)
3rd-nearest DR4 source 179837521 (7.4 arcs away)
Times observed1
Total bad pixels0
Observing flags1

Magnitudes

Filter u v g r i z
PSF mag. — — — — 18.910 ± 0.153 —
Petrosian mag. — — — — 18.511 ± 0.145 —

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 18.994 ± 0.124 1,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.36 1.75
GAIA source ID 4121286794346133888 4121286794346133760
Bp mag. 20.222 21.506
G mag. 19.444 20.373
Rp mag. 18.676 19.610
Bp/Rp excess 1.207 1.105
Parallax (mas) -0.034 ± 0.320 -0.178 ± 0.726
PM RA (mas/yr) -1.138 ± 0.457 -1.822 ± 0.978
PM Dec (mas/yr) -6.115 ± 0.286 -5.852 ± 0.614
A.E.N. (mas) 0.0 ± 0.000 0.594 ± 0.143

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 20.229 ± 0.036
r 19.229 ± 0.011
i -- ± --
z -- ± --
Y -- ± --
J 16.774 ± 0.019
H -- ± --
K 16.305 ± 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.