20550+2805

  • Unique Name: 20550+2805A 3109AB,E
  • RA: 20 55 02.41
  • Dec: +28 05 25.6
  • Discoverer: A
  • Discoverer Number: 3109
  • Components: AB,E
  • First year: 1912
  • Last year: 2012
  • Observations: 4
  • First position angle: 65
  • Last position angle: 53
  • First separation: 54.7
  • Last separation: 49.6
  • Mag first component: 7.91
  • Mag second component: 13.5
  • Spectral type: G1V
  • Primary proper motion RA: 111
  • Primary proper motion DEC: -81
  • Secondary proper motion RA: 109
  • Secondary proper motion DEC: 63
  • Durchmusterung:
  • Notes: N
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