20427+5238

  • Unique Name: 20427+5238A 1683
  • RA: 20 42 42.26
  • Dec: +52 37 50.0
  • Discoverer: A
  • Discoverer Number: 1683
  • Components:
  • First year: 1907
  • Last year: 2008
  • Observations: 7
  • First position angle: 32
  • Last position angle: 209
  • First separation: 0.2
  • Last separation: 0.1
  • Mag first component: 8.5
  • Mag second component: 9.2
  • Spectral type: B9V
  • Primary proper motion RA: 1
  • Primary proper motion DEC: -7
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +52 2783
  • Notes:
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