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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185206063 (SMSS J172841.47-201757.1)

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Data releaseDR4
RA (deg)262.1729
Dec (deg)-20.2993
Galactic lon. (deg)5.2742
Galactic lat. (deg)7.8556
E(B-V) (SFD98) (mag)0.754
E(B-V) (GNILC) (mag)0.684 ± 0.030
Nearest DR4 source 185206078 (5.1 arcs away)
2nd-nearest DR4 source 185206065 (9.1 arcs away)
3rd-nearest DR4 source 185206060 (9.7 arcs away)
Times observed27
Total bad pixels0
Observing flags0

Magnitudes

Filter u v g r i z
PSF mag. 19.112 ± 0.016 18.285 ± 0.029 17.596 ± 0.016 17.236 ± 0.014
Petrosian mag. 19.049 ± 0.060 18.001 ± 0.095 17.535 ± 0.029 17.280 ± 0.034

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 20190505165725 19.104 ± 0.045 0,0 100 2
g 20190506165109 19.042 ± 0.045 0,0 100 2
g 20190507143127 19.109 ± 0.063 0,0 100 2
g 20190822094124 19.114 ± 0.053 0,0 100 2
r 20140722114203 18.557 ± 0.179 512,0 5 2
r 20140729111131 18.505 ± 0.162 512,0 5 2
r 20190505165926 18.270 ± 0.047 0,0 100 2
r 20190506165309 18.240 ± 0.044 0,0 100 2
r 20190507143327 18.296 ± 0.059 0,0 100 2
r 20190822094324 18.299 ± 0.050 0,0 100 2
i 20140719115004 17.609 ± 0.106 0,0 10 2
i 20140722114229 17.438 ± 0.085 0,0 10 2
i 20140729111202 17.547 ± 0.090 0,0 10 2
i 20150901084153 17.566 ± 0.047 0,0 100 2
i 20150901084554 17.556 ± 0.045 0,0 100 2
i 20160420172350 17.558 ± 0.128 0,0 10 2
i 20190505170526 17.534 ± 0.045 0,0 100 2
i 20190508164002 17.647 ± 0.060 0,0 100 2
i 20190509140533 17.597 ± 0.061 0,0 100 2
i 20190720124743 17.561 ± 0.076 0,0 100 2
i 20200513190610 17.738 ± 0.058 16,0 100 2
z 20140722114259 17.179 ± 0.084 0,0 20 2
z 20140729111235 17.053 ± 0.076 0,0 20 2
z 20150901084353 17.192 ± 0.052 0,0 100 2
z 20150901084754 17.228 ± 0.056 0,0 100 2
z 20160420172420 17.328 ± 0.120 0,0 20 2
z 20190505170726 17.207 ± 0.056 0,0 100 2
z 20190508164202 17.215 ± 0.060 0,0 100 2
z 20190509140733 17.228 ± 0.072 0,0 100 2
z 20190720124943 17.191 ± 0.078 0,0 100 2
z 20200513190811 17.415 ± 0.081 1040,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.33 2.25
GAIA source ID 4121071152663557632 4121071152637902976
Bp mag. 19.038 20.369
G mag. 18.236 19.775
Rp mag. 17.280 18.879
Bp/Rp excess 1.362 1.381
Parallax (mas) -0.130 ± 0.152 0.629 ± 0.462
PM RA (mas/yr) -6.689 ± 0.178 -3.242 ± 0.595
PM Dec (mas/yr) -2.001 ± 0.126 -8.963 ± 0.418
A.E.N. (mas) 0.0 ± 0.0 1.160 ± 1.328

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r -- ± --
i -- ± --
z -- ± --
Y -- ± --
J 15.897 ± 0.010
H -- ± --
K 15.086 ± 0.018
W1 14.635 ± 0.015
W2 14.863 ± 0.034
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.