20178+3956

  • Unique Name: 20178+3956HJ 2951AB
  • RA: 20 17 49.63
  • Dec: +39 55 33.9
  • Discoverer: HJ
  • Discoverer Number: 2951
  • Components: AB
  • First year: 1831
  • Last year: 2010
  • Observations: 27
  • First position angle: 126
  • Last position angle: 125
  • First separation: 12.0
  • Last separation: 10.7
  • Mag first component: 8.8
  • Mag second component: 9.54
  • Spectral type: A2V
  • Primary proper motion RA: -9
  • Primary proper motion DEC: -10
  • Secondary proper motion RA: -9
  • Secondary proper motion DEC: -12
  • Durchmusterung: +39 4118
  • Notes:
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