20540+5711

  • Unique Name: 20540+5711ES 135AC
  • RA: 20 53 59.20
  • Dec: +57 10 32.0
  • Discoverer: ES
  • Discoverer Number: 135
  • Components: AC
  • First year: 1923
  • Last year: 2003
  • Observations: 3
  • First position angle: 117
  • Last position angle: 115
  • First separation: 71.8
  • Last separation: 71.7
  • Mag first component: 7.22
  • Mag second component: 12.44
  • Spectral type: A0
  • Primary proper motion RA: -5
  • Primary proper motion DEC: -13
  • Secondary proper motion RA: 3
  • Secondary proper motion DEC: -1
  • Durchmusterung:
  • Notes:
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