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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 179900723 (SMSS J172818.46-203526.6)

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Data releaseDR4
RA (deg)262.0769
Dec (deg)-20.5907
Galactic lon. (deg)4.9779
Galactic lat. (deg)7.7730
E(B-V) (SFD98) (mag)0.862
E(B-V) (GNILC) (mag)0.697 ± 0.034
Nearest DR4 source 179900775 (5.4 arcs away)
2nd-nearest DR4 source 179900722 (7.4 arcs away)
3rd-nearest DR4 source 179900731 (8.0 arcs away)
Times observed42
Total bad pixels1
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. 17.802 ± 0.021 16.977 ± 0.011 16.323 ± 0.010 15.984 ± 0.011
Petrosian mag. 17.606 ± 0.037 16.842 ± 0.036 16.215 ± 0.034 15.948 ± 0.032

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 17.888 ± 0.086 0,0 5 2
g 20140722114132 17.893 ± 0.080 0,0 5 2
g 20160420172300 17.950 ± 0.113 0,0 5 2
g 20190505165725 17.788 ± 0.029 3,0 100 2
g 20190506165109 17.803 ± 0.024 3,0 100 2
g 20190507143127 17.783 ± 0.046 3,0 100 2
g 20190822094124 17.798 ± 0.029 3,0 100 2
r 20140719114939 17.011 ± 0.059 1,0 5 2
r 20140722114203 17.014 ± 0.052 0,0 5 2
r 20160420172325 16.986 ± 0.058 0,0 5 2
r 20180605125736 17.053 ± 0.073 0,0 5 2
r 20190505165926 16.967 ± 0.031 3,0 100 2
r 20190506165309 16.974 ± 0.030 3,0 100 2
r 20190507143327 16.975 ± 0.046 3,0 100 2
r 20190822094324 16.965 ± 0.030 3,0 100 2
r 20200524153415 16.971 ± 0.068 1,0 5 2
r 20210407183558 16.977 ± 0.061 0,0 5 2
r 20210411183015 17.001 ± 0.068 0,0 5 2
i 20140719115004 16.394 ± 0.043 3,0 10 2
i 20140722114229 16.308 ± 0.043 3,0 10 2
i 20150901084153 16.325 ± 0.031 3,0 100 2
i 20160420172350 16.347 ± 0.043 0,0 10 2
i 20180605125802 16.391 ± 0.055 3,0 10 2
i 20190505170526 16.303 ± 0.032 3,0 100 2
i 20190508164002 16.315 ± 0.037 3,0 100 2
i 20190509140533 16.309 ± 0.051 3,0 100 2
i 20190720124743 16.299 ± 0.062 3,0 100 2
i 20200513190610 16.326 ± 0.034 3,0 100 2
i 20200524153441 16.280 ± 0.047 3,0 10 2
i 20210407183626 16.342 ± 0.047 19,0 10 2
i 20210411183047 16.341 ± 0.056 3,0 10 2
z 20140719115035 16.009 ± 0.044 3,0 20 2
z 20140722114259 16.023 ± 0.039 3,0 20 2
z 20150901084353 15.969 ± 0.029 3,0 100 2
z 20160420172420 15.993 ± 0.040 0,1 20 2
z 20180605125833 16.004 ± 0.052 0,0 20 2
z 20190505170726 15.964 ± 0.032 3,0 100 2
z 20190508164202 15.959 ± 0.032 3,0 100 2
z 20190509140733 15.938 ± 0.054 3,0 100 2
z 20190720124943 15.956 ± 0.059 3,0 100 2
z 20200513190811 15.961 ± 0.040 3,0 100 2
z 20210407183658 16.045 ± 0.047 3,0 20 2
z 20210411183118 16.056 ± 0.050 3,0 20 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.08 2.06
GAIA source ID 4121034074136829568 4121034078465916544
Bp mag. 17.704 --
G mag. 16.919 19.479
Rp mag. 16.017 --
Bp/Rp excess 1.319 --
Parallax (mas) 0.415 ± 0.089 0.723 ± 0.526
PM RA (mas/yr) 1.738 ± 0.094 -9.296 ± 0.562
PM Dec (mas/yr) -4.645 ± 0.075 -3.644 ± 0.406
A.E.N. (mas) 0.0 ± 0.0 0.479 ± 0.301

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 17.026 ± 0.002
i -- ± --
z -- ± --
Y -- ± --
J 14.771 ± 0.069
H 14.271 ± 0.098
K 14.054 ± 0.007
W1 13.795 ± 0.028
W2 13.815 ± 0.032
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.