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Object IDs in DR1 differ from DR2 and later releases.

DR4: Object 185231722 (SMSS J173002.91-200754.4)

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Data releaseDR4
RA (deg)262.5121
Dec (deg)-20.1318
Galactic lon. (deg)5.5902
Galactic lat. (deg)7.6783
E(B-V) (SFD98) (mag)1.235
E(B-V) (GNILC) (mag)1.219 ± 0.004
Nearest DR4 source 185231721 (4.5 arcs away)
2nd-nearest DR4 source 185231716 (9.0 arcs away)
3rd-nearest DR4 source 185231715 (14.8 arcs away)
Times observed18
Total bad pixels0
Observing flags3

Magnitudes

Filter u v g r i z
PSF mag. 18.818 ± 0.021 17.352 ± 0.016 15.955 ± 0.017 15.154 ± 0.016
Petrosian mag. 18.815 ± 0.044 17.363 ± 0.019 15.933 ± 0.013 15.168 ± 0.018

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 20190506165109 18.82 ± 0.030 3,0 100 2
r 20140722114203 17.432 ± 0.063 3,0 5 2
r 20140729111131 17.350 ± 0.056 3,0 5 2
r 20160420172325 17.312 ± 0.079 0,0 5 2
r 20190505165926 17.335 ± 0.032 3,0 100 2
r 20190506165309 17.359 ± 0.026 3,0 100 2
i 20140722114229 15.913 ± 0.029 3,0 10 2
i 20140729111202 15.962 ± 0.032 3,0 10 2
i 20150901084153 15.959 ± 0.028 3,0 100 2
i 20150901084554 15.932 ± 0.03 3,0 100 2
i 20160420172350 15.929 ± 0.035 3,0 10 2
i 20190505170526 15.936 ± 0.032 3,0 100 2
z 20140722114259 15.166 ± 0.032 3,0 20 2
z 20140729111235 15.141 ± 0.031 3,0 20 2
z 20150901084353 15.155 ± 0.027 3,0 100 2
z 20150901084754 15.136 ± 0.029 3,0 100 2
z 20160420172420 15.122 ± 0.029 3,0 20 2
z 20190505170726 15.129 ± 0.032 3,0 100 2

Gaia DR3 data
Matching radius: 15"

Best match Second match
Distance (arcsec) 0.13 3.45
GAIA source ID 4121447151252241024 4121447151231903616
Bp mag. 18.469 21.148
G mag. 16.808 20.641
Rp mag. 15.585 18.389
Bp/Rp excess 1.455 3.805
Parallax (mas) 0.093 ± 0.072 0.792 ± 1.255
PM RA (mas/yr) -0.764 ± 0.085 -1.951 ± 1.688
PM Dec (mas/yr) -2.965 ± 0.057 -4.801 ± 1.164
A.E.N. (mas) 0.127 ± 0.610 1.713 ± 0.875

UV to IR data
Matching radius: 2"

Filter Magnitude1
FUV -- ± --
NUV -- ± --
u -- ± --
g -- ± --
r 17.338 ± 0.002
i -- ± --
z -- ± --
Y -- ± --
J 13.289 ± 0.026
H 12.267 ± 0.042
K 11.899 ± 0.033
W1 11.701 ± 0.023
W2 11.76 ± 0.018
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.