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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179829530 (SMSS J172559.12-204307.2)

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Data releaseDR4
RA (deg)261.4963
Dec (deg)-20.7187
Galactic lon. (deg)4.5707
Galactic lat. (deg)8.1589
E(B-V) (SFD98) (mag)0.876
E(B-V) (GNILC) (mag)0.780 ± 0.071
Nearest DR4 source 179829519 (6.8 arcs away)
2nd-nearest DR4 source 179829531 (8.7 arcs away)
3rd-nearest DR4 source 179829518 (8.8 arcs away)
Times observed32
Total bad pixels1
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. — — 18.905 ± 0.018 17.765 ± 0.016 16.840 ± 0.010 16.304 ± 0.012
Petrosian mag. — — 19.168 ± 0.047 17.991 ± 0.055 17.002 ± 0.029 16.451 ± 0.027

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 18.689 ± 0.134 512,0 5 2
g 20190505165725 18.904 ± 0.042 0,0 100 2
g 20190506165109 18.880 ± 0.039 0,0 100 2
g 20190507143127 18.912 ± 0.040 0,0 100 2
g 20190822094124 19.160 ± 0.055 16,0 100 2
r 20140719114939 17.712 ± 0.094 0,0 5 2
r 20140722114203 17.722 ± 0.083 0,5 5 2
r 20140729111131 17.673 ± 0.075 0,0 5 2
r 20160420170109 17.803 ± 0.119 512,0 5 2
r 20190505165926 17.752 ± 0.039 0,0 100 2
r 20190506165309 17.751 ± 0.032 2,0 100 2
r 20190507143327 17.779 ± 0.035 3,0 100 2
r 20190822094324 17.917 ± 0.040 16,0 100 2
i 20140719115004 16.824 ± 0.054 0,0 10 2
i 20140722114229 16.752 ± 0.050 0,0 10 2
i 20140729111202 16.802 ± 0.048 0,0 10 2
i 20150901084153 16.810 ± 0.033 0,0 100 2
i 20150901084554 16.820 ± 0.033 2,0 100 2
i 20160420170134 16.875 ± 0.061 0,0 10 2
i 20180605124636 16.900 ± 0.073 0,0 10 2
i 20190505170526 16.813 ± 0.032 0,0 100 2
i 20190508164002 16.847 ± 0.036 3,0 100 2
i 20190509140533 16.857 ± 0.040 2,0 100 2
i 20190720124743 16.82 ± 0.054 3,0 100 2
i 20200513190610 16.819 ± 0.033 0,0 100 2
i 20200524153441 16.887 ± 0.066 0,0 10 2
z 20140719115035 16.281 ± 0.049 0,0 20 2
z 20140722114259 16.373 ± 0.047 0,19 20 2
z 20140729111235 16.272 ± 0.041 0,0 20 2
z 20150901084353 16.282 ± 0.031 0,0 100 2
z 20150901084754 16.293 ± 0.033 0,0 100 2
z 20160420170204 16.265 ± 0.047 0,1 20 2
z 20180605124707 16.252 ± 0.056 0,0 20 2
z 20190505170726 16.257 ± 0.034 0,0 100 2
z 20190508164202 16.321 ± 0.034 0,0 100 2
z 20190509140733 16.324 ± 0.045 0,0 100 2
z 20190720124943 16.296 ± 0.053 0,0 100 2
z 20200513190811 16.305 ± 0.038 0,0 100 2
z 20200524153511 16.399 ± 0.067 0,0 20 3

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.19 1.12
GAIA source ID 4121123104569079424 4121123104527793920
Bp mag. 18.732 --
G mag. 17.617 19.802
Rp mag. 16.499 --
Bp/Rp excess 1.438 --
Parallax (mas) 0.326 ± 0.103 0.808 ± 0.544
PM RA (mas/yr) -0.916 ± 0.131 -5.443 ± 0.772
PM Dec (mas/yr) -5.753 ± 0.089 -3.811 ± 0.491
A.E.N. (mas) 0.0 ± 0.0 1.385 ± 2.240

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 19.204 ± 0.007
r 17.649 ± 0.003
i 16.866 ± 0.004
z 16.415 ± 0.003
Y -- ± --
J 14.802 ± 0.028
H 14.004 ± 0.02
K 13.776 ± 0.038
W1 13.525 ± 0.014
W2 13.801 ± 0.018
W3 12.075 ± --
W4 8.87 ± --
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.