18153-1900
Unique Name : 18153-1900BU 284AS
RA : 18 15 16.76
Dec : -18 59 33.9
Discoverer : BU
Discoverer Number : 284
Components : AS
First year : 1898
Last year : 2000
Observations : 4
First position angle : 103
Last position angle : 102
First separation : 17.5
Last separation : 19.1
Mag first component : 7.09
Mag second component : 13.0
Spectral type : B1Ib
Primary proper motion RA : -1
Primary proper motion DEC : -2
Secondary proper motion RA :
Secondary proper motion DEC :
Durchmusterung :
Notes :
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