21171-8021

  • Unique Name: 21171-8021I 670
  • RA: 21 17 08.25
  • Dec: -80 20 41.7
  • Discoverer: I
  • Discoverer Number: 670
  • Components:
  • First year: 1909
  • Last year: 1991
  • Observations: 8
  • First position angle: 20
  • Last position angle: 0
  • First separation: 0.5
  • Last separation: 0.7
  • Mag first component: 7.82
  • Mag second component: 8.8
  • Spectral type: B9/9.5V
  • Primary proper motion RA: 10
  • Primary proper motion DEC: -11
  • Secondary proper motion RA: 10
  • Secondary proper motion DEC: -11
  • Durchmusterung: -80 1000
  • Notes: