20289-1749

  • Unique Name: 20289-1749BU 61BC
  • RA: 20 28 51.62
  • Dec: -17 48 49.4
  • Discoverer: BU
  • Discoverer Number: 61
  • Components: BC
  • First year: 1898
  • Last year: 1999
  • Observations: 4
  • First position angle: 150
  • Last position angle: 150
  • First separation: 52.8
  • Last separation: 55.2
  • Mag first component: 6.88
  • Mag second component: 13.3
  • Spectral type: F2IV
  • Primary proper motion RA: -16
  • Primary proper motion DEC: -8
  • Secondary proper motion RA: -5
  • Secondary proper motion DEC: -17
  • Durchmusterung:
  • Notes: N
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