20490+3947

  • Unique Name: 20490+3947HO 596AC
  • RA: 20 49 00.64
  • Dec: +39 47 29.9
  • Discoverer: HO
  • Discoverer Number: 596
  • Components: AC
  • First year: 1895
  • Last year: 2002
  • Observations: 7
  • First position angle: 171
  • Last position angle: 178
  • First separation: 16.4
  • Last separation: 18.0
  • Mag first component: 7.65
  • Mag second component: 13.64
  • Spectral type: B9IV
  • Primary proper motion RA: 5
  • Primary proper motion DEC: -3
  • Secondary proper motion RA: -14
  • Secondary proper motion DEC: -13
  • Durchmusterung:
  • Notes: