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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179829526 (SMSS J172557.87-204248.5)

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Data releaseDR4
RA (deg)261.4911
Dec (deg)-20.7135
Galactic lon. (deg)4.5724
Galactic lat. (deg)8.1658
E(B-V) (SFD98) (mag)0.876
E(B-V) (GNILC) (mag)0.721 ± 0.051
Nearest DR4 source 179829618 (4.9 arcs away)
2nd-nearest DR4 source 2268062148 (6.3 arcs away)
3rd-nearest DR4 source 179829525 (6.9 arcs away)
Times observed8
Total bad pixels0
Observing flags1

Magnitudes

Filter u v g r i z
PSF mag. 19.822 ± 0.119 18.987 ± 0.04 18.337 ± 0.065 17.904 ± 0.052
Petrosian mag. 19.708 ± 0.152 18.936 ± 0.281 18.230 ± 0.067 18.080 ± 0.121

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 20190506165109 19.873 ± 0.078 1,0 100 2
r 20190505165926 19.002 ± 0.078 1,0 100 2
r 20190506165309 18.989 ± 0.067 1,0 100 2
i 20150901084153 18.374 ± 0.075 0,0 100 2
i 20150901084554 18.652 ± 0.084 0,20 100 2
i 20190505170526 18.346 ± 0.074 0,0 100 2
z 20140722114259 17.880 ± 0.143 0,0 20 2
z 20150901084353 18.017 ± 0.091 0,0 100 2
z 20150901084754 18.254 ± 0.108 100 2
z 20190505170726 18.121 ± 0.109 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.32 0.47
GAIA source ID 4121123104527844864 4121123100225189632
Bp mag. 19.609 --
G mag. 19.319 20.141
Rp mag. 17.967 --
Bp/Rp excess 2.017 --
Parallax (mas) 1.533 ± 0.449 -- ± --
PM RA (mas/yr) -0.675 ± 0.562 -- ± --
PM Dec (mas/yr) -8.634 ± 0.369 -- ± --
A.E.N. (mas) 2.229 ± 13.745 2.043 ± 2.338

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 19.913 ± 0.010
r 18.843 ± 0.004
i 18.242 ± 0.010
z 17.925 ± 0.010
Y -- ± --
J 16.700 ± 0.021
H -- ± --
K 16.220 ± 0.047
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.