21238+4710

  • Unique Name: 21238+4710A 765AB,C
  • RA: 21 23 50.18
  • Dec: +47 09 52.4
  • Discoverer: A
  • Discoverer Number: 765
  • Components: AB,C
  • First year: 1904
  • Last year: 2003
  • Observations: 5
  • First position angle: 25
  • Last position angle: 22
  • First separation: 25.7
  • Last separation: 26.4
  • Mag first component: 7.12
  • Mag second component: 14.0
  • Spectral type: B0V
  • Primary proper motion RA: -3
  • Primary proper motion DEC: -5
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung:
  • Notes:
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