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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179842321 (SMSS J172559.88-202436.0)

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Data releaseDR4
RA (deg)261.4990
Dec (deg)-20.4101
Galactic lon. (deg)4.8332
Galactic lat. (deg)8.3254
E(B-V) (SFD98) (mag)0.642
E(B-V) (GNILC) (mag)0.462 ± 0.022
Nearest DR4 source 1212919493 (2.1 arcs away)
2nd-nearest DR4 source 179842318 (2.6 arcs away)
3rd-nearest DR4 source 179842354 (4.4 arcs away)
Times observed10
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. 17.968 ± 0.324 18.103 ± 0.067 17.823 ± 0.074
Petrosian mag. 18.007 ± 0.067 17.846 ± 0.137 17.495 ± 0.154

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)
r 20190505165926 18.509 ± 0.059 3,0 100 2
i 20140729111202 18.095 ± 0.134 0,0 10 2
i 20150901084554 18.146 ± 0.065 3,0 100 2
i 20190505170526 18.096 ± 0.065 3,0 100 2
i 20190509140533 18.022 ± 0.065 3,0 100 2
z 20140729111235 17.798 ± 0.132 0,0 20 2
z 20150901084754 17.983 ± 0.094 3,0 100 2
z 20190505170726 17.878 ± 0.090 0,0 100 2
z 20190508164202 17.750 ± 0.087 0,0 100 2
z 20190509140733 17.772 ± 0.089 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.5 1.35
GAIA source ID 4121236590448520960 4121236590454975232
Bp mag. -- 19.493
G mag. 20.576 19.303
Rp mag. -- 18.204
Bp/Rp excess -- 1.767
Parallax (mas) -- ± -- -0.413 ± 0.369
PM RA (mas/yr) -- ± -- -2.770 ± 0.442
PM Dec (mas/yr) -- ± -- -6.346 ± 0.326
A.E.N. (mas) 4.254 ± 2.929 1.074 ± 2.184

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 19.290 ± 0.008
r 18.489 ± 0.004
i 18.063 ± 0.009
z 17.822 ± 0.010
Y -- ± --
J 17.197 ± 0.032
H -- ± --
K 16.289 ± 0.054
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.