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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179805319 (SMSS J172548.42-205127.6)

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Data releaseDR4
RA (deg)261.452
Dec (deg)-20.858
Galactic lon. (deg)4.430
Galactic lat. (deg)8.118
E(B-V) (SFD98) (mag)0.819
E(B-V) (GNILC) (mag)0.823 ± 0.040
Nearest DR4 source 179805317 (9.6 arcs away)
2nd-nearest DR4 source 179805401 (9.9 arcs away)
3rd-nearest DR4 source 179805318 (10.3 arcs away)
Times observed39
Total bad pixels4
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 18.048 ± 0.073 17.077 ± 0.065 16.322 ± 0.062 15.882 ± 0.064
Petrosian mag. — — 17.930 ± 0.040 16.929 ± 0.023 16.183 ± 0.024 15.781 ± 0.015

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 18.241 ± 0.102 0,0 5 2
g 20140729111106 18.393 ± 0.108 0,0 5 2
g 20190505165725 18.231 ± 0.031 0,0 100 2
g 20190506165109 18.242 ± 0.030 0,0 100 2
g 20190507143127 18.230 ± 0.030 1,0 100 2
g 20190822094124 18.198 ± 0.037 3,0 100 2
r 20140719114939 17.209 ± 0.065 0,0 5 2
r 20140722114203 17.261 ± 0.060 0,0 5 2
r 20140729111131 17.224 ± 0.055 0,0 5 2
r 20160420170109 17.394 ± 0.085 0,0 5 2
r 20190505165926 17.273 ± 0.035 1,0 100 2
r 20190506165309 17.276 ± 0.029 1,0 100 2
r 20190507143327 17.283 ± 0.031 3,0 100 2
r 20190822094324 17.274 ± 0.034 3,0 100 2
r 20210407183558 17.264 ± 0.080 0,0 5 2
i 20140719115004 16.45 ± 0.043 0,0 10 2
i 20140722114229 16.530 ± 0.045 0,0 10 2
i 20140729111202 16.594 ± 0.043 0,0 10 2
i 20150901084153 16.481 ± 0.031 1,0 100 2
i 20150901084554 16.501 ± 0.031 1,0 100 2
i 20160420170134 16.471 ± 0.047 0,0 10 2
i 20180605124636 16.605 ± 0.060 0,0 10 2
i 20190419150817 16.52 ± 0.042 1,0 100 2
i 20190505170526 16.485 ± 0.030 1,0 100 2
i 20190508164002 16.51 ± 0.033 3,0 100 2
i 20190720124743 16.518 ± 0.052 3,0 100 2
i 20210407183626 16.567 ± 0.057 0,0 10 2
z 20140719115035 16.045 ± 0.043 0,0 20 2
z 20140722114259 16.049 ± 0.040 0,0 20 2
z 20140729111235 16.038 ± 0.036 0,0 20 2
z 20150901084353 16.064 ± 0.029 0,0 100 2
z 20150901084754 16.062 ± 0.031 0,0 100 2
z 20160420170204 15.951 ± 0.039 0,4 20 2
z 20180605124707 16.052 ± 0.050 0,0 20 2
z 20190419151018 16.122 ± 0.04 1,0 100 2
z 20190505170726 16.067 ± 0.033 0,0 100 2
z 20190508164202 16.093 ± 0.032 0,0 100 2
z 20190720124943 16.100 ± 0.051 1,0 100 2
z 20210407183658 16.127 ± 0.054 0,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.77 1.56
GAIA source ID 4120932025713921792 4120932030045122304
Bp mag. 18.475 --
G mag. 17.656 20.166
Rp mag. 16.605 --
Bp/Rp excess 1.448 --
Parallax (mas) 1.077 ± 0.104 0.546 ± 1.422
PM RA (mas/yr) 6.811 ± 0.130 -3.517 ± 1.295
PM Dec (mas/yr) -0.302 ± 0.088 -4.740 ± 0.774
A.E.N. (mas) 0.145 ± 0.439 0.0 ± 0.0

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 18.949 ± 0.006
r 17.732 ± 0.002
i 17.066 ± 0.004
z 16.719 ± 0.004
Y -- ± --
J 15.209 ± 0.005
H -- ± --
K 14.491 ± 0.009
W1 13.703 ± 0.014
W2 13.739 ± 0.016
W3 12.269 ± --
W4 8.676 ± --
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.