21241+2519

  • Unique Name: 21241+2519BU 447AB
  • RA: 21 24 07.42
  • Dec: +25 18 44.6
  • Discoverer: BU
  • Discoverer Number: 447
  • Components: AB
  • First year: 1878
  • Last year: 2013
  • Observations: 17
  • First position angle: 330
  • Last position angle: 309
  • First separation: 8.5
  • Last separation: 9.4
  • Mag first component: 6.2
  • Mag second component: 12.2
  • Spectral type: A2V
  • Primary proper motion RA: 40
  • Primary proper motion DEC: 22
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +24 4394
  • Notes: N
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