20397+4734

  • Unique Name: 20397+4734A 747AB
  • RA: 20 39 42.24
  • Dec: +47 34 26.9
  • Discoverer: A
  • Discoverer Number: 747
  • Components: AB
  • First year: 1904
  • Last year: 2008
  • Observations: 20
  • First position angle: 135
  • Last position angle: 102
  • First separation: 0.3
  • Last separation: 0.3
  • Mag first component: 8.7
  • Mag second component: 9.0
  • Spectral type: A0
  • Primary proper motion RA: 5
  • Primary proper motion DEC: 9
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +47 3159
  • Notes:
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