18153-1900

  • Unique Name: 18153-1900BU 284AB
  • RA: 18 15 16.76
  • Dec: -18 59 33.9
  • Discoverer: BU
  • Discoverer Number: 284
  • Components: AB
  • First year: 1890
  • Last year: 2000
  • Observations: 11
  • First position angle: 358
  • Last position angle: 359
  • First separation: 19.2
  • Last separation: 17.8
  • Mag first component: 7.09
  • Mag second component: 11.5
  • Spectral type: B1Ib
  • Primary proper motion RA: -1
  • Primary proper motion DEC: -2
  • Secondary proper motion RA: 2
  • Secondary proper motion DEC: -22
  • Durchmusterung: -19 4928
  • Notes: