21139+4400

  • Unique Name: 21139+4400COU2299
  • RA: 21 13 56.67
  • Dec: +44 00 16.9
  • Discoverer: COU
  • Discoverer Number: 2299
  • Components:
  • First year: 1985
  • Last year: 2003
  • Observations: 5
  • First position angle: 27
  • Last position angle: 40
  • First separation: 0.4
  • Last separation: 0.4
  • Mag first component: 9.16
  • Mag second component: 9.37
  • Spectral type: F5
  • Primary proper motion RA: 7
  • Primary proper motion DEC: 0
  • Secondary proper motion RA: 7
  • Secondary proper motion DEC: 0
  • Durchmusterung: +43 3854
  • Notes: