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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 229802845 (SMSS J185709.89-301924.0)

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Data releaseDR4
RA (deg)284.2913
Dec (deg)-30.3235
Galactic lon. (deg)5.9412
Galactic lat. (deg)-14.4428
E(B-V) (SFD98) (mag)0.145
E(B-V) (GNILC) (mag)0.133 ± 0.006
Nearest DR4 source 229802846 (3.7 arcs away)
2nd-nearest DR4 source 229802844 (6.8 arcs away)
3rd-nearest DR4 source 229802841 (9.1 arcs away)
Times observed12
Total bad pixels0
Observing flags0

Magnitudes

Filter u v g r i z
PSF mag. 20.110 ± 0.170 18.682 ± 0.047 17.948 ± 0.018
Petrosian mag. 20.191 ± 0.186 18.500 ± 0.054 17.944 ± 0.056

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)
r 20140831091449 20.107 ± 0.122 0,0 100 1
i 20140828095230 18.670 ± 0.067 0,0 100 1
i 20141006102359 18.776 ± 0.146 0,0 100 2
i 20180323190254 18.664 ± 0.065 0,0 100 1
i 20190623121941 18.817 ± 0.086 0,0 100 2
i 20190806110632 18.632 ± 0.068 0,0 100 2
z 20140828095431 18.025 ± 0.075 0,0 100 2
z 20141006095341 18.014 ± 0.105 0,0 100 2
z 20141006102600 17.982 ± 0.132 0,0 100 2
z 20170314185852 18.000 ± 0.086 0,0 100 2
z 20180323190454 17.954 ± 0.070 0,0 100 1
z 20190806110832 17.995 ± 0.068 0,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.49 0.8
GAIA source ID 6760443347570284416 6760443351888698752
Bp mag. 21.419 --
G mag. 19.782 21.055
Rp mag. 18.44 --
Bp/Rp excess 1.609 --
Parallax (mas) 3.322 ± 0.471 -- ± --
PM RA (mas/yr) -12.546 ± 0.601 -- ± --
PM Dec (mas/yr) -8.351 ± 0.526 -- ± --
A.E.N. (mas) 1.291 ± 1.574 14.723 ± 10.902

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g 21.260 ± 0.020
r 19.959 ± 0.009
i 18.662 ± 0.004
z 18.019 ± 0.004
Y -- ± --
J 16.478 ± 0.018
H -- ± --
K 15.636 ± 0.029
W1 15.33 ± 0.025
W2 15.225 ± 0.043
W3 11.963 ± --
W4 8.364 ± --
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.