20183+2539

  • Unique Name: 20183+2539BU 985AB
  • RA: 20 18 17.06
  • Dec: +25 38 53.7
  • Discoverer: BU
  • Discoverer Number: 985
  • Components: AB
  • First year: 1880
  • Last year: 2009
  • Observations: 8
  • First position angle: 149
  • Last position angle: 153
  • First separation: 5.0
  • Last separation: 5.9
  • Mag first component: 6.99
  • Mag second component: 12.8
  • Spectral type: B2V
  • Primary proper motion RA: 2
  • Primary proper motion DEC: 4
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +25 4189
  • Notes: N
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