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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179829614 (SMSS J172556.53-204220.3)

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Data releaseDR4
RA (deg)261.4856
Dec (deg)-20.7057
Galactic lon. (deg)4.5761
Galactic lat. (deg)8.1744
E(B-V) (SFD98) (mag)0.876
E(B-V) (GNILC) (mag)0.721 ± 0.051
Nearest DR4 source 179829605 (6.2 arcs away)
2nd-nearest DR4 source 179829606 (8.3 arcs away)
3rd-nearest DR4 source 179829626 (10.3 arcs away)
Times observed37
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 18.239 ± 0.019 17.146 ± 0.012 16.219 ± 0.010 15.709 ± 0.012
Petrosian mag. — — 18.203 ± 0.025 17.124 ± 0.025 16.160 ± 0.027 15.689 ± 0.041

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 20140722114132 18.225 ± 0.098 512,0 5 2
g 20140729111106 18.495 ± 0.114 512,0 5 2
g 20190505165725 18.251 ± 0.031 3,0 100 2
g 20190506165109 18.266 ± 0.03 3,0 100 2
g 20190507143127 18.264 ± 0.030 3,0 100 2
r 20140719114939 17.213 ± 0.065 0,0 5 2
r 20140722114203 17.165 ± 0.055 0,0 5 2
r 20140729111131 17.171 ± 0.052 0,0 5 2
r 20160420170109 17.109 ± 0.068 0,0 5 2
r 20190505165926 17.156 ± 0.034 3,0 100 2
r 20190506165309 17.151 ± 0.028 3,0 100 2
r 20190507143327 17.161 ± 0.031 3,0 100 2
r 20190822094324 17.168 ± 0.033 3,0 100 2
r 20200524153415 17.267 ± 0.077 0,0 5 2
r 20210407183558 17.264 ± 0.079 16,0 5 2
i 20140719115004 16.213 ± 0.037 0,0 10 2
i 20140722114229 16.237 ± 0.039 0,0 10 2
i 20140729111202 16.249 ± 0.036 0,0 10 2
i 20150901084153 16.222 ± 0.030 3,0 100 2
i 20150901084554 16.230 ± 0.031 3,0 100 2
i 20160420170134 16.223 ± 0.041 0,0 10 2
i 20180605124636 16.221 ± 0.047 0,0 10 2
i 20190505170526 16.223 ± 0.029 3,0 100 2
i 20190508164002 16.237 ± 0.032 3,0 100 2
i 20190509140533 16.247 ± 0.036 3,0 100 2
i 20190720124743 16.223 ± 0.052 3,0 100 2
i 20200513190610 16.521 ± 0.028 0,0 100 2
i 20200524153441 16.252 ± 0.046 0,0 10 2
i 20210407183626 16.324 ± 0.049 16,0 10 2
z 20140719115035 15.723 ± 0.036 0,0 20 2
z 20140722114259 15.698 ± 0.035 0,0 20 2
z 20140729111235 15.741 ± 0.032 0,0 20 2
z 20150901084353 15.716 ± 0.027 3,0 100 2
z 20150901084754 15.697 ± 0.029 3,0 100 2
z 20160420170204 15.745 ± 0.035 0,0 20 2
z 20180605124707 15.727 ± 0.043 0,0 20 2
z 20190505170726 15.698 ± 0.031 3,0 100 2
z 20190508164202 15.703 ± 0.029 3,0 100 2
z 20190509140733 15.765 ± 0.041 2,0 100 2
z 20190720124943 15.959 ± 0.051 0,0 100 2
z 20200513190811 15.893 ± 0.031 0,0 100 2
z 20200524153511 15.766 ± 0.047 0,0 20 3
z 20210407183658 15.741 ± 0.044 16,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.1 2.47
GAIA source ID 4121123173288574336 4121123173255781120
Bp mag. 18.040 --
G mag. 16.906 20.821
Rp mag. 15.859 --
Bp/Rp excess 1.360 --
Parallax (mas) 0.101 ± 0.071 -- ± --
PM RA (mas/yr) -2.969 ± 0.088 -- ± --
PM Dec (mas/yr) -8.320 ± 0.060 -- ± --
A.E.N. (mas) 0.0 ± 0.0 2.624 ± 0.806

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 18.629 ± 0.006
r 17.164 ± 0.002
i 16.376 ± 0.003
z 15.921 ± 0.003
Y -- ± --
J 14.219 ± 0.031
H 13.341 ± 0.032
K 13.086 ± 0.034
W1 12.962 ± 0.014
W2 13.151 ± 0.013
W3 12.387 ± --
W4 8.734 ± --
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.