21501+3151
Unique Name : 21501+3151BU 692AC
RA : 21 50 05.37
Dec : +31 50 52.4
Discoverer : BU
Discoverer Number : 692
Components : AC
First year : 1878
Last year : 2007
Observations : 8
First position angle : 299
Last position angle : 293
First separation : 36.9
Last separation : 40.7
Mag first component : 7.47
Mag second component : 12.63
Spectral type : K0
Primary proper motion RA : 39
Primary proper motion DEC : 5
Secondary proper motion RA : -6
Secondary proper motion DEC : -8
Durchmusterung :
Notes :
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