20180+3311

  • Unique Name: 20180+3311BAR 11AB
  • RA: 20 17 59.91
  • Dec: +33 11 29.1
  • Discoverer: BAR
  • Discoverer Number: 11
  • Components: AB
  • First year: 1898
  • Last year: 2000
  • Observations: 22
  • First position angle: 200
  • Last position angle: 196
  • First separation: 0.3
  • Last separation: 0.4
  • Mag first component: 7.91
  • Mag second component: 9.09
  • Spectral type: B9
  • Primary proper motion RA: 3
  • Primary proper motion DEC: -2
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +32 3773
  • Notes: N
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