21017+2938

  • Unique Name: 21017+2938COU1180
  • RA: 21 01 43.49
  • Dec: +29 37 48.5
  • Discoverer: COU
  • Discoverer Number: 1180
  • Components:
  • First year: 1974
  • Last year: 1996
  • Observations: 6
  • First position angle: 206
  • Last position angle: 203
  • First separation: 3.7
  • Last separation: 3.7
  • Mag first component: 7.99
  • Mag second component: 11.21
  • Spectral type: B8
  • Primary proper motion RA: 3
  • Primary proper motion DEC: -2
  • Secondary proper motion RA: 1
  • Secondary proper motion DEC: -5
  • Durchmusterung: +29 4282
  • Notes:
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