21240+2445

  • Unique Name: 21240+2445COU 231
  • RA: 21 23 58.98
  • Dec: +24 45 23.4
  • Discoverer: COU
  • Discoverer Number: 231
  • Components:
  • First year: 1967
  • Last year: 2007
  • Observations: 7
  • First position angle: 113
  • Last position angle: 121
  • First separation: 0.3
  • Last separation: 0.5
  • Mag first component: 9.9
  • Mag second component: 10.6
  • Spectral type: G0
  • Primary proper motion RA: 30
  • Primary proper motion DEC: 2
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +24 4393
  • Notes:
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