20189+3817

  • Unique Name: 20189+3817A 1425AB,C
  • RA: 20 18 51.71
  • Dec: +38 16 46.5
  • Discoverer: A
  • Discoverer Number: 1425
  • Components: AB,C
  • First year: 1906
  • Last year: 2000
  • Observations: 3
  • First position angle: 311
  • Last position angle: 310
  • First separation: 8.8
  • Last separation: 9.1
  • Mag first component: 6.65
  • Mag second component: 13.2
  • Spectral type: O9II-III
  • Primary proper motion RA: -10
  • Primary proper motion DEC: -13
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung:
  • Notes: N
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