20287+4737

  • Unique Name: 20287+4737GRF 17
  • RA: 20 28 44.47
  • Dec: +47 36 40.4
  • Discoverer: GRF
  • Discoverer Number: 17
  • Components:
  • First year: 1991
  • Last year: 2000
  • Observations: 2
  • First position angle: 102
  • Last position angle: 103
  • First separation: 160.1
  • Last separation: 160.0
  • Mag first component: 7.5
  • Mag second component: 8.4
  • Spectral type: G7II+A0
  • Primary proper motion RA: 1
  • Primary proper motion DEC: -5
  • Secondary proper motion RA: -2
  • Secondary proper motion DEC: -9
  • Durchmusterung: +47 3117
  • Notes:
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