20312+5519

  • Unique Name: 20312+5519A 1678
  • RA: 20 31 11.01
  • Dec: +55 19 14.9
  • Discoverer: A
  • Discoverer Number: 1678
  • Components:
  • First year: 1907
  • Last year: 2002
  • Observations: 9
  • First position angle: 352
  • Last position angle: 353
  • First separation: 2.1
  • Last separation: 2.4
  • Mag first component: 9.3
  • Mag second component: 11.1
  • Spectral type: B9
  • Primary proper motion RA: -7
  • Primary proper motion DEC: -29
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +54 2369
  • Notes:
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