21397+5815
Unique Name : 21397+5815MLB 90AC
RA : 21 39 44.44
Dec : +58 14 44.0
Discoverer : MLB
Discoverer Number : 90
Components : AC
First year : 1905
Last year : 2003
Observations : 5
First position angle : 137
Last position angle : 137
First separation : 29.2
Last separation : 29.5
Mag first component : 9.16
Mag second component : 11.34
Spectral type : B5
Primary proper motion RA : -2
Primary proper motion DEC : -6
Secondary proper motion RA : 3
Secondary proper motion DEC : -2
Durchmusterung :
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