21511+4209

  • Unique Name: 21511+4209COU1822
  • RA: 21 51 07.41
  • Dec: +42 08 51.1
  • Discoverer: COU
  • Discoverer Number: 1822
  • Components:
  • First year: 1979
  • Last year: 1983
  • Observations: 3
  • First position angle: 45
  • Last position angle: 44
  • First separation: 0.2
  • Last separation: 0.2
  • Mag first component: 10.7
  • Mag second component: 10.7
  • Spectral type:
  • Primary proper motion RA: -44
  • Primary proper motion DEC: -72
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +41 4286
  • Notes: