21212+4003

  • Unique Name: 21212+4003COU2230
  • RA: 21 21 15.49
  • Dec: +40 02 31.6
  • Discoverer: COU
  • Discoverer Number: 2230
  • Components:
  • First year: 1983
  • Last year: 2007
  • Observations: 4
  • First position angle: 66
  • Last position angle: 84
  • First separation: 0.3
  • Last separation: 0.5
  • Mag first component: 11.9
  • Mag second component: 11.9
  • Spectral type:
  • Primary proper motion RA: 13
  • Primary proper motion DEC: 3
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +39 4532
  • Notes:
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