21165+4046

  • Unique Name: 21165+4046ES 1690
  • RA: 20 56 31.65
  • Dec: +40 33 18.8
  • Discoverer: ES
  • Discoverer Number: 1690
  • Components:
  • First year: 1917
  • Last year: 2002
  • Observations: 3
  • First position angle: 106
  • Last position angle: 103
  • First separation: 3.8
  • Last separation: 3.7
  • Mag first component: 9.5
  • Mag second component: 10.5
  • Spectral type:
  • Primary proper motion RA: 26
  • Primary proper motion DEC: 30
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung:
  • Notes: