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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179805307 (SMSS J172548.84-205144.7)

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Data releaseDR4
RA (deg)261.453
Dec (deg)-20.862
Galactic lon. (deg)4.427
Galactic lat. (deg)8.114
E(B-V) (SFD98) (mag)0.819
E(B-V) (GNILC) (mag)0.823 ± 0.040
Nearest DR4 source 179805317 (8.5 arcs away)
2nd-nearest DR4 source 179805314 (11.1 arcs away)
3rd-nearest DR4 source 179805320 (13.8 arcs away)
Times observed34
Total bad pixels1
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 18.532 ± 0.016 17.467 ± 0.011 16.569 ± 0.010 16.08 ± 0.011
Petrosian mag. — — 18.687 ± 0.028 17.577 ± 0.019 16.653 ± 0.022 16.204 ± 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 20140729111106 18.651 ± 0.132 512,0 5 2
g 20190505165725 18.502 ± 0.034 0,0 100 2
g 20190506165109 18.575 ± 0.034 0,0 100 2
g 20190507143127 18.520 ± 0.033 1,0 100 2
g 20190822094124 18.554 ± 0.041 3,0 100 2
r 20140719114939 17.393 ± 0.074 0,0 5 2
r 20140722114203 17.502 ± 0.070 0,0 5 2
r 20140729111131 17.464 ± 0.064 0,0 5 2
r 20160420170109 17.608 ± 0.101 0,1 5 2
r 20190505165926 17.492 ± 0.036 0,0 100 2
r 20190506165309 17.477 ± 0.030 1,0 100 2
r 20190507143327 17.458 ± 0.032 3,0 100 2
r 20190822094324 17.472 ± 0.035 3,0 100 2
i 20140719115004 16.579 ± 0.046 0,0 10 2
i 20140722114229 16.594 ± 0.046 0,0 10 2
i 20140729111202 16.533 ± 0.041 0,0 10 2
i 20150901084153 16.563 ± 0.031 0,0 100 2
i 20150901084554 16.577 ± 0.032 0,0 100 2
i 20160420170134 16.590 ± 0.05 0,0 10 2
i 20180605124636 16.737 ± 0.065 0,0 10 2
i 20190419150817 16.588 ± 0.042 19,0 100 2
i 20190505170526 16.583 ± 0.031 0,0 100 2
i 20190508164002 16.593 ± 0.033 3,0 100 2
i 20190720124743 16.568 ± 0.052 3,0 100 2
i 20210407183626 16.589 ± 0.057 0,0 10 2
z 20140719115035 16.090 ± 0.044 0,0 20 2
z 20140722114259 16.098 ± 0.041 0,0 20 2
z 20140729111235 16.056 ± 0.036 0,0 20 2
z 20150901084353 16.082 ± 0.030 0,0 100 2
z 20150901084754 16.103 ± 0.031 0,0 100 2
z 20160420170204 16.066 ± 0.041 0,0 20 2
z 20180605124707 16.142 ± 0.052 0,0 20 2
z 20190419151018 16.102 ± 0.040 19,0 100 2
z 20190505170726 16.091 ± 0.033 0,0 100 2
z 20190508164202 16.111 ± 0.032 0,0 100 2
z 20190720124943 16.080 ± 0.051 3,0 100 2
z 20210407183658 16.112 ± 0.053 0,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.07 4.42
GAIA source ID 4120931961325625728 4120931926967854976
Bp mag. 18.307 21.385
G mag. 17.221 20.659
Rp mag. 16.192 19.623
Bp/Rp excess 1.353 1.465
Parallax (mas) 0.139 ± 0.081 0.660 ± 1.031
PM RA (mas/yr) -2.888 ± 0.103 -2.579 ± 1.543
PM Dec (mas/yr) -5.554 ± 0.069 -0.170 ± 1.229
A.E.N. (mas) 0.0 ± 0.0 1.983 ± 1.044

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 18.854 ± 0.006
r 17.465 ± 0.002
i 16.703 ± 0.004
z 16.263 ± 0.003
Y -- ± --
J 14.642 ± 0.026
H 13.829 ± 0.029
K 13.586 ± 0.034
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.