20021+5439

  • Unique Name: 20021+5439BU 426AC
  • RA: 20 02 07.92
  • Dec: +54 38 28.0
  • Discoverer: BU
  • Discoverer Number: 426
  • Components: AC
  • First year: 1877
  • Last year: 2009
  • Observations: 16
  • First position angle: 53
  • Last position angle: 53
  • First separation: 166.2
  • Last separation: 162.9
  • Mag first component: 8.53
  • Mag second component: 8.39
  • Spectral type: K0
  • Primary proper motion RA: 16
  • Primary proper motion DEC: 18
  • Secondary proper motion RA: 1
  • Secondary proper motion DEC: -6
  • Durchmusterung:
  • Notes: