20489+4537

  • Unique Name: 20489+4537HDS2965
  • RA: 20 48 54.99
  • Dec: +45 37 27.2
  • Discoverer: HDS
  • Discoverer Number: 2965
  • Components:
  • First year: 1991
  • Last year: 2006
  • Observations: 2
  • First position angle: 307
  • Last position angle: 304
  • First separation: 0.2
  • Last separation: 0.1
  • Mag first component: 9.02
  • Mag second component: 10.08
  • Spectral type: B1III
  • Primary proper motion RA: -2
  • Primary proper motion DEC: -2
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +45 3290
  • Notes: