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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179842304 (SMSS J172559.51-202514.6)

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Data releaseDR4
RA (deg)261.4979
Dec (deg)-20.4207
Galactic lon. (deg)4.8236
Galactic lat. (deg)8.3205
E(B-V) (SFD98) (mag)0.642
E(B-V) (GNILC) (mag)0.462 ± 0.022
Nearest DR4 source 179842305 (5.7 arcs away)
2nd-nearest DR4 source 179842171 (7.0 arcs away)
3rd-nearest DR4 source 179842306 (7.2 arcs away)
Times observed6
Total bad pixels0
Observing flags1

Magnitudes

Filter u v g r i z
PSF mag. 19.684 ± 0.051 19.044 ± 0.049 18.535 ± 0.032 18.283 ± 0.049
Petrosian mag. 19.926 ± 0.156 19.114 ± 0.166 18.896 ± 0.112 18.680 ± 0.164

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)
g 20190505165725 19.751 ± 0.087 0,0 100 2
r 20190505165926 19.140 ± 0.092 1,0 100 2
i 20150901084554 18.598 ± 0.091 0,0 100 2
i 20190505170526 18.652 ± 0.098 0,0 100 2
z 20150901084754 18.410 ± 0.134 0,0 100 2
z 20190505170726 18.225 ± 0.120 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.07 1.02
GAIA source ID 4121236590448517504 4121236594735652864
Bp mag. 19.589 --
G mag. 19.086 20.375
Rp mag. 18.175 --
Bp/Rp excess 1.431 --
Parallax (mas) 0.519 ± 0.281 -- ± --
PM RA (mas/yr) -0.858 ± 0.360 -- ± --
PM Dec (mas/yr) -4.142 ± 0.237 -- ± --
A.E.N. (mas) 0.947 ± 2.626 2.978 ± 3.932

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 19.705 ± 0.013
r 18.866 ± 0.005
i 18.472 ± 0.012
z 18.254 ± 0.013
Y -- ± --
J 17.084 ± 0.026
H -- ± --
K 16.497 ± 0.053
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.