21170+4020
Unique Name : 21170+4020SEI1487
RA : 21 16 59.44
Dec : +40 19 56.7
Discoverer : SEI
Discoverer Number : 1487
Components :
First year : 1895
Last year : 2002
Observations : 7
First position angle : 240
Last position angle : 239
First separation : 20.7
Last separation : 21.1
Mag first component : 9.53
Mag second component : 11.54
Spectral type : A2
Primary proper motion RA : 0
Primary proper motion DEC : 0
Secondary proper motion RA : -2
Secondary proper motion DEC : -7
Durchmusterung : +39 4506
Notes : N
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