20490+3947
Unique Name : 20490+3947HO 596AC
RA : 20 49 00.64
Dec : +39 47 29.9
Discoverer : HO
Discoverer Number : 596
Components : AC
First year : 1895
Last year : 2002
Observations : 7
First position angle : 171
Last position angle : 178
First separation : 16.4
Last separation : 18.0
Mag first component : 7.65
Mag second component : 13.64
Spectral type : B9IV
Primary proper motion RA : 5
Primary proper motion DEC : -3
Secondary proper motion RA : -14
Secondary proper motion DEC : -13
Durchmusterung :
Notes :
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