20422+5020

  • Unique Name: 20422+5020BU 675AC
  • RA: 20 42 12.63
  • Dec: +50 20 24.1
  • Discoverer: BU
  • Discoverer Number: 675
  • Components: AC
  • First year: 1878
  • Last year: 2013
  • Observations: 10
  • First position angle: 182
  • Last position angle: 185
  • First separation: 25.4
  • Last separation: 28.8
  • Mag first component: 5.38
  • Mag second component: 11.4
  • Spectral type: B2V
  • Primary proper motion RA: 2
  • Primary proper motion DEC: 2
  • Secondary proper motion RA: -6
  • Secondary proper motion DEC: -29
  • Durchmusterung:
  • Notes: N
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