18187-1837

  • Unique Name: 18187-1837BU 639AB
  • RA: 18 18 43.26
  • Dec: -18 37 10.8
  • Discoverer: BU
  • Discoverer Number: 639
  • Components: AB
  • First year: 1878
  • Last year: 2008
  • Observations: 31
  • First position angle: 155
  • Last position angle: 140
  • First separation: 0.6
  • Last separation: 0.5
  • Mag first component: 7.2
  • Mag second component: 8.2
  • Spectral type: B0Ib
  • Primary proper motion RA: 4
  • Primary proper motion DEC: -4
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: -18 4896
  • Notes: N
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