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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179804080 (SMSS J172537.74-205404.3)

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Data releaseDR4
RA (deg)261.407
Dec (deg)-20.901
Galactic lon. (deg)4.370
Galactic lat. (deg)8.129
E(B-V) (SFD98) (mag)0.819
E(B-V) (GNILC) (mag)0.798 ± 0.036
Nearest DR4 source 2268035330 (6.8 arcs away)
2nd-nearest DR4 source 179803992 (8.4 arcs away)
3rd-nearest DR4 source 2268035240 (8.8 arcs away)
Times observed37
Total bad pixels0
Observing flags2

Magnitudes

Filter u v g r i z
PSF mag. — — 18.649 ± 0.018 17.583 ± 0.013 16.734 ± 0.01 16.252 ± 0.010
Petrosian mag. — — 18.866 ± 0.032 17.775 ± 0.022 16.875 ± 0.015 16.422 ± 0.019

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 20140729111106 18.808 ± 0.159 512,0 5 2
g 20190505165725 18.668 ± 0.037 0,0 100 2
g 20190506165109 18.658 ± 0.034 0,0 100 2
g 20190507143127 18.645 ± 0.035 0,0 100 2
g 20190822094124 18.640 ± 0.043 0,0 100 2
r 20140719114939 17.543 ± 0.083 0,0 5 2
r 20140722114203 17.553 ± 0.074 0,0 5 2
r 20140729111131 17.733 ± 0.082 0,0 5 2
r 20160420170109 17.661 ± 0.105 0,0 5 2
r 20190505165926 17.604 ± 0.037 0,0 100 2
r 20190506165309 17.596 ± 0.030 0,0 100 2
r 20190507143327 17.568 ± 0.033 2,0 100 2
r 20190822094324 17.588 ± 0.036 0,0 100 2
i 20140719115004 16.723 ± 0.051 0,0 10 2
i 20140722114229 16.769 ± 0.051 0,0 10 2
i 20140729111202 16.718 ± 0.046 0,0 10 2
i 20150901084153 16.761 ± 0.032 0,0 100 2
i 20150901084554 16.732 ± 0.031 0,0 100 2
i 20160420170134 16.690 ± 0.054 0,0 10 2
i 20180605124636 16.822 ± 0.069 0,0 10 2
i 20190419150817 16.749 ± 0.044 0,0 100 2
i 20190505170526 16.734 ± 0.032 0,0 100 2
i 20190508164002 16.767 ± 0.035 0,0 100 2
i 20190720124743 16.757 ± 0.053 0,0 100 2
i 20210407183626 16.636 ± 0.058 0,0 10 2
z 20140719115035 16.234 ± 0.048 0,0 20 2
z 20140722114259 16.257 ± 0.044 0,0 20 2
z 20140729111235 16.266 ± 0.042 0,0 20 2
z 20150901084353 16.257 ± 0.031 0,0 100 2
z 20150901084754 16.277 ± 0.032 0,0 100 2
z 20160420170204 16.291 ± 0.047 0,0 20 2
z 20180605124707 16.322 ± 0.060 0,0 20 2
z 20190419151018 16.277 ± 0.041 0,0 100 2
z 20190505170726 16.256 ± 0.034 0,0 100 2
z 20190508164202 16.269 ± 0.033 0,0 100 2
z 20190720124943 16.294 ± 0.052 0,0 100 2
z 20200513183957 16.258 ± 0.045 0,0 100 2
z 20210407183658 16.222 ± 0.056 0,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.08 2.43
GAIA source ID 4120931441598363392 4120931445932968960
Bp mag. 18.429 21.201
G mag. 17.353 20.427
Rp mag. 16.359 19.539
Bp/Rp excess 1.321 1.309
Parallax (mas) 0.281 ± 0.089 -1.665 ± 1.075
PM RA (mas/yr) -3.977 ± 0.108 0.070 ± 1.726
PM Dec (mas/yr) -4.521 ± 0.078 -2.452 ± 0.953
A.E.N. (mas) 0.0 ± 0.0 2.076 ± 1.724

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 18.974 ± 0.004
r 17.553 ± 0.002
i 16.862 ± 0.003
z 16.437 ± 0.003
Y -- ± --
J 14.854 ± 0.035
H 14.17 ± 0.035
K 13.91 ± 0.05
W1 13.809 ± 0.014
W2 13.957 ± 0.018
W3 12.479 ± --
W4 8.823 ± --
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.