20490+3947

  • Unique Name: 20490+3947HO 596AD
  • RA: 20 49 00.64
  • Dec: +39 47 29.9
  • Discoverer: HO
  • Discoverer Number: 596
  • Components: AD
  • First year: 1895
  • Last year: 2002
  • Observations: 8
  • First position angle: 249
  • Last position angle: 247
  • First separation: 18.5
  • Last separation: 18.2
  • Mag first component: 7.65
  • Mag second component: 13.56
  • Spectral type: B9IV
  • Primary proper motion RA: 5
  • Primary proper motion DEC: -3
  • Secondary proper motion RA: -10
  • Secondary proper motion DEC: 8
  • Durchmusterung:
  • Notes: