21072+4744

  • Unique Name: 21072+4744ES 817AD
  • RA: 21 07 13.36
  • Dec: +47 44 03.5
  • Discoverer: ES
  • Discoverer Number: 817
  • Components: AD
  • First year: 1909
  • Last year: 1999
  • Observations: 2
  • First position angle: 85
  • Last position angle: 84
  • First separation: 24.0
  • Last separation: 23.9
  • Mag first component: 7.33
  • Mag second component: 14.2
  • Spectral type: A2V
  • Primary proper motion RA: 7
  • Primary proper motion DEC: 9
  • Secondary proper motion RA: 0
  • Secondary proper motion DEC: 2
  • Durchmusterung:
  • Notes:
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