20397+4721

  • Unique Name: 20397+4721A 748
  • RA: 20 39 44.97
  • Dec: +47 20 43.0
  • Discoverer: A
  • Discoverer Number: 748
  • Components:
  • First year: 1904
  • Last year: 1991
  • Observations: 6
  • First position angle: 26
  • Last position angle: 27
  • First separation: 1.4
  • Last separation: 1.4
  • Mag first component: 7.95
  • Mag second component: 11.53
  • Spectral type: B8V
  • Primary proper motion RA: 6
  • Primary proper motion DEC: 3
  • Secondary proper motion RA: 6
  • Secondary proper motion DEC: 4
  • Durchmusterung: +46 3001
  • Notes: