21055+5340

  • Unique Name: 21055+5340BU 680AC
  • RA: 21 05 30.82
  • Dec: +53 40 05.5
  • Discoverer: BU
  • Discoverer Number: 680
  • Components: AC
  • First year: 1885
  • Last year: 2007
  • Observations: 12
  • First position angle: 34
  • Last position angle: 33
  • First separation: 23.4
  • Last separation: 20.8
  • Mag first component: 8.7
  • Mag second component: 10.9
  • Spectral type: A0
  • Primary proper motion RA: 7
  • Primary proper motion DEC: 7
  • Secondary proper motion RA: 1
  • Secondary proper motion DEC: -6
  • Durchmusterung:
  • Notes:
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