21241+2519

  • Unique Name: 21241+2519BU 447AE
  • RA: 21 24 07.42
  • Dec: +25 18 44.6
  • Discoverer: BU
  • Discoverer Number: 447
  • Components: AE
  • First year: 1891
  • Last year: 2009
  • Observations: 9
  • First position angle: 114
  • Last position angle: 116
  • First separation: 68.0
  • Last separation: 66.6
  • Mag first component: 6.2
  • Mag second component: 10.96
  • Spectral type: A2V
  • Primary proper motion RA: 40
  • Primary proper motion DEC: 9
  • Secondary proper motion RA: 7
  • Secondary proper motion DEC: -2
  • Durchmusterung:
  • Notes: N