21399+3931

  • Unique Name: 21399+3931HJ 1675AC
  • RA: 21 39 53.72
  • Dec: +39 30 53.8
  • Discoverer: HJ
  • Discoverer Number: 1675
  • Components: AC
  • First year: 1951
  • Last year: 2003
  • Observations: 6
  • First position angle: 263
  • Last position angle: 263
  • First separation: 35.1
  • Last separation: 37.4
  • Mag first component: 6.8
  • Mag second component: 12.8
  • Spectral type: A3
  • Primary proper motion RA: 49
  • Primary proper motion DEC: 6
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung:
  • Notes: U
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