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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179803993 (SMSS J172538.45-205415.5)

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Data releaseDR4
RA (deg)261.410
Dec (deg)-20.904
Galactic lon. (deg)4.369
Galactic lat. (deg)8.125
E(B-V) (SFD98) (mag)0.819
E(B-V) (GNILC) (mag)0.798 ± 0.036
Nearest DR4 source 179803991 (3.7 arcs away)
2nd-nearest DR4 source 2268035240 (6.6 arcs away)
3rd-nearest DR4 source 179803992 (7.5 arcs away)
Times observed38
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 17.881 ± 0.087 17.057 ± 0.028 16.049 ± 0.023 15.537 ± 0.021
Petrosian mag. — — 17.420 ± 0.076 16.527 ± 0.108 15.730 ± 0.055 15.287 ± 0.047

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 20140719114908 17.975 ± 0.089 0,0 5 2
g 20140722114132 18.234 ± 0.100 0,0 5 2
g 20140729111106 18.311 ± 0.104 512,0 5 2
g 20190505165725 18.122 ± 0.030 0,0 100 2
g 20190506165109 18.064 ± 0.025 19,0 100 2
g 20190507143127 18.129 ± 0.029 0,0 100 2
g 20190822094124 18.133 ± 0.036 0,0 100 2
r 20140719114939 17.068 ± 0.059 0,0 5 2
r 20140722114203 17.214 ± 0.058 2,0 5 2
r 20140729111131 17.061 ± 0.05 0,0 5 2
r 20160420170109 16.959 ± 0.061 0,0 5 2
r 20190505165926 17.046 ± 0.034 2,0 100 2
r 20190506165309 17.029 ± 0.026 19,0 100 2
r 20190507143327 17.096 ± 0.030 2,0 100 2
r 20190822094324 17.126 ± 0.033 0,0 100 2
r 20210407183558 17.028 ± 0.067 0,0 5 2
i 20140719115004 16.101 ± 0.036 0,0 10 2
i 20140722114229 16.128 ± 0.038 0,0 10 2
i 20140729111202 16.079 ± 0.033 2,0 10 2
i 20150901084153 16.093 ± 0.029 3,0 100 2
i 20150901084554 16.090 ± 0.028 3,0 100 2
i 20160420170134 16.097 ± 0.038 0,0 10 2
i 20180605124636 16.048 ± 0.047 0,0 10 2
i 20190419150817 16.096 ± 0.040 0,0 100 2
i 20190505170526 16.089 ± 0.029 2,0 100 2
i 20190508164002 16.120 ± 0.031 0,0 100 2
i 20190720124743 16.142 ± 0.051 0,0 100 2
i 20210407183626 16.104 ± 0.045 0,0 10 2
z 20140719115035 15.575 ± 0.034 0,0 20 2
z 20140722114259 15.585 ± 0.034 0,0 20 2
z 20140729111235 15.580 ± 0.030 2,0 20 2
z 20150901084353 15.573 ± 0.027 2,0 100 2
z 20150901084754 15.567 ± 0.028 2,0 100 2
z 20160420170204 15.552 ± 0.032 2,0 20 2
z 20180605124707 15.509 ± 0.041 0,0 20 2
z 20190419151018 15.557 ± 0.037 0,0 100 2
z 20190505170726 15.550 ± 0.03 3,0 100 2
z 20190508164202 15.530 ± 0.028 2,0 100 2
z 20190720124943 15.609 ± 0.049 0,0 100 2
z 20200513183957 15.562 ± 0.040 0,0 100 2
z 20210407183658 15.541 ± 0.041 0,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.32 2.98
GAIA source ID 4120931372878624512 4120931377208157184
Bp mag. 17.933 --
G mag. 16.776 20.120
Rp mag. 15.723 --
Bp/Rp excess 1.360 --
Parallax (mas) 0.002 ± 0.065 0.108 ± 0.603
PM RA (mas/yr) -4.145 ± 0.077 -3.619 ± 0.853
PM Dec (mas/yr) -1.812 ± 0.054 -2.864 ± 0.572
A.E.N. (mas) 0.0 ± 0.0 0.904 ± 0.644

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 18.491 ± 0.004
r 17.048 ± 0.002
i 16.192 ± 0.002
z 15.741 ± 0.002
Y -- ± --
J 14.06 ± 0.039
H 13.233 ± 0.045
K 13.038 ± 0.038
W1 12.683 ± 0.012
W2 12.802 ± 0.012
W3 12.499 ± --
W4 8.783 ± --
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.