21505+3944

  • Unique Name: 21505+3944ES 211AD
  • RA: 21 50 29.10
  • Dec: +39 44 27.0
  • Discoverer: ES
  • Discoverer Number: 211
  • Components: AD
  • First year: 1922
  • Last year: 2002
  • Observations: 3
  • First position angle: 97
  • Last position angle: 102
  • First separation: 20.6
  • Last separation: 21.2
  • Mag first component: 10.88
  • Mag second component: 13.7
  • Spectral type:
  • Primary proper motion RA: 1
  • Primary proper motion DEC: 11
  • Secondary proper motion RA: -5
  • Secondary proper motion DEC: -2
  • Durchmusterung:
  • Notes: