21015+6643

  • Unique Name: 21015+6643HU 959
  • RA: 21 01 32.33
  • Dec: +66 42 33.2
  • Discoverer: HU
  • Discoverer Number: 959
  • Components:
  • First year: 1904
  • Last year: 2009
  • Observations: 24
  • First position angle: 153
  • Last position angle: 161
  • First separation: 1.5
  • Last separation: 1.3
  • Mag first component: 8.62
  • Mag second component: 9.6
  • Spectral type: A2
  • Primary proper motion RA: 4
  • Primary proper motion DEC: -15
  • Secondary proper motion RA: 4
  • Secondary proper motion DEC: -15
  • Durchmusterung: +66 1350
  • Notes: