21203+4921
Unique Name : 21203+4921BU 839AC
RA : 21 20 18.92
Dec : +49 21 08.5
Discoverer : BU
Discoverer Number : 839
Components : AC
First year : 1881
Last year : 2006
Observations : 16
First position angle : 197
Last position angle : 200
First separation : 21.5
Last separation : 21.7
Mag first component : 8.26
Mag second component : 10.12
Spectral type : M6III
Primary proper motion RA : 19
Primary proper motion DEC : 0
Secondary proper motion RA : -6
Secondary proper motion DEC : -6
Durchmusterung :
Notes :
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