21523+6306

  • Unique Name: 21523+6306MAD 12AC
  • RA: 21 52 20.95
  • Dec: +63 06 04.5
  • Discoverer: MAD
  • Discoverer Number: 12
  • Components: AC
  • First year: 1844
  • Last year: 2003
  • Observations: 5
  • First position angle: 210
  • Last position angle: 208
  • First separation: 30.6
  • Last separation: 34.8
  • Mag first component: 8.07
  • Mag second component: 11.4
  • Spectral type: B2V
  • Primary proper motion RA: -2
  • Primary proper motion DEC: -1
  • Secondary proper motion RA: -4
  • Secondary proper motion DEC: -3
  • Durchmusterung:
  • Notes: