18153-1900

  • Unique Name: 18153-1900BU 284AH
  • RA: 18 15 16.76
  • Dec: -18 59 33.9
  • Discoverer: BU
  • Discoverer Number: 284
  • Components: AH
  • First year: 1891
  • Last year: 2000
  • Observations: 10
  • First position angle: 67
  • Last position angle: 66
  • First separation: 22.1
  • Last separation: 21.4
  • Mag first component: 7.09
  • Mag second component: 10.7
  • Spectral type: B1Ib
  • Primary proper motion RA: -1
  • Primary proper motion DEC: -2
  • Secondary proper motion RA: 8
  • Secondary proper motion DEC: -14
  • Durchmusterung:
  • Notes: