20542-2730

  • Unique Name: 20542-2730B 509AB
  • RA: 20 54 09.69
  • Dec: -27 29 53.4
  • Discoverer: B
  • Discoverer Number: 509
  • Components: AB
  • First year: 1927
  • Last year: 1999
  • Observations: 4
  • First position angle: 108
  • Last position angle: 126
  • First separation: 3.9
  • Last separation: 7.9
  • Mag first component: 10.72
  • Mag second component: 15.2
  • Spectral type: F7V
  • Primary proper motion RA: -29
  • Primary proper motion DEC: -9
  • Secondary proper motion RA: 37
  • Secondary proper motion DEC: -31
  • Durchmusterung: -2715110
  • Notes: N
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