21287+7034

  • Unique Name: 21287+7034STF2806AB
  • RA: 21 28 39.58
  • Dec: +70 33 38.5
  • Discoverer: STF
  • Discoverer Number: 2806
  • Components: AB
  • First year: 1781
  • Last year: 2013
  • Observations: 102
  • First position angle: 255
  • Last position angle: 248
  • First separation: 13.4
  • Last separation: 14.1
  • Mag first component: 3.17
  • Mag second component: 8.63
  • Spectral type: B1IV
  • Primary proper motion RA: 12
  • Primary proper motion DEC: 8
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung:
  • Notes: N D