20540+5711

  • Unique Name: 20540+5711ES 135AB
  • RA: 20 53 59.20
  • Dec: +57 10 32.0
  • Discoverer: ES
  • Discoverer Number: 135
  • Components: AB
  • First year: 1902
  • Last year: 1999
  • Observations: 6
  • First position angle: 196
  • Last position angle: 198
  • First separation: 6.2
  • Last separation: 7.1
  • Mag first component: 7.22
  • Mag second component: 11.4
  • Spectral type: A0
  • Primary proper motion RA: -5
  • Primary proper motion DEC: -12
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +56 2509
  • Notes:
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