20528+4551

  • Unique Name: 20528+4551COU2647
  • RA: 20 52 49.94
  • Dec: +45 50 55.5
  • Discoverer: COU
  • Discoverer Number: 2647
  • Components:
  • First year: 1991
  • Last year: 2007
  • Observations: 2
  • First position angle: 238
  • Last position angle: 226
  • First separation: 0.4
  • Last separation: 0.3
  • Mag first component: 9.9
  • Mag second component: 11.1
  • Spectral type: F0
  • Primary proper motion RA: -2
  • Primary proper motion DEC: -11
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +45 3311
  • Notes: