21241+2519

  • Unique Name: 21241+2519BU 447AC
  • RA: 21 24 07.42
  • Dec: +25 18 44.6
  • Discoverer: BU
  • Discoverer Number: 447
  • Components: AC
  • First year: 1917
  • Last year: 2009
  • Observations: 5
  • First position angle: 187
  • Last position angle: 191
  • First separation: 56.6
  • Last separation: 57.8
  • Mag first component: 6.2
  • Mag second component: 11.7
  • Spectral type: A2V
  • Primary proper motion RA: 40
  • Primary proper motion DEC: 9
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung:
  • Notes: N
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