21309+7020

  • Unique Name: 21309+7020BKO 773BC
  • RA: 21 30 54.28
  • Dec: +70 20 21.8
  • Discoverer: BKO
  • Discoverer Number: 773
  • Components: BC
  • First year: 2000
  • Last year: 2009
  • Observations: 3
  • First position angle: 320
  • Last position angle: 320
  • First separation: 10.2
  • Last separation: 10.4
  • Mag first component: 11.0
  • Mag second component: 13.5
  • Spectral type:
  • Primary proper motion RA: -6
  • Primary proper motion DEC: -7
  • Secondary proper motion RA: -9
  • Secondary proper motion DEC: -4
  • Durchmusterung:
  • Notes:
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