16569-4031

  • Unique Name: 16569-4031COO 289AD
  • RA: 16 56 54.67
  • Dec: -40 30 44.4
  • Discoverer: COO
  • Discoverer Number: 289
  • Components: AD
  • First year: 1897
  • Last year: 1999
  • Observations: 8
  • First position angle: 239
  • Last position angle: 237
  • First separation: 15.1
  • Last separation: 15.0
  • Mag first component: 7.27
  • Mag second component: 9.61
  • Spectral type: O6.5IIIf:
  • Primary proper motion RA: 1
  • Primary proper motion DEC: -2
  • Secondary proper motion RA: 4
  • Secondary proper motion DEC: -3
  • Durchmusterung:
  • Notes: N
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