23311+1818

  • Unique Name: 23311+1818COU 339
  • RA: 23 31 05.73
  • Dec: +18 17 56.9
  • Discoverer: COU
  • Discoverer Number: 339
  • Components:
  • First year: 1968
  • Last year: 1991
  • Observations: 4
  • First position angle: 84
  • Last position angle: 81
  • First separation: 1.8
  • Last separation: 2.1
  • Mag first component: 9.14
  • Mag second component: 12.9
  • Spectral type: A0
  • Primary proper motion RA: 7
  • Primary proper motion DEC: -8
  • Secondary proper motion RA: 11
  • Secondary proper motion DEC: -10
  • Durchmusterung: +17 4930
  • Notes: