21072+4744
Unique Name : 21072+4744ES 817AC
RA : 21 07 13.36
Dec : +47 44 03.5
Discoverer : ES
Discoverer Number : 817
Components : AC
First year : 1909
Last year : 1999
Observations : 2
First position angle : 351
Last position angle : 348
First separation : 24.0
Last separation : 22.4
Mag first component : 7.33
Mag second component : 15.7
Spectral type : A2V
Primary proper motion RA : 7
Primary proper motion DEC : 9
Secondary proper motion RA :
Secondary proper motion DEC :
Durchmusterung :
Notes :
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