21107+1909

  • Unique Name: 21107+1909J 2339
  • RA: 21 10 35.12
  • Dec: +19 09 51.8
  • Discoverer: J
  • Discoverer Number: 2339
  • Components:
  • First year: 1942
  • Last year: 2005
  • Observations: 4
  • First position angle: 250
  • Last position angle: 249
  • First separation: 6.0
  • Last separation: 7.0
  • Mag first component: 9.5
  • Mag second component: 12.0
  • Spectral type:
  • Primary proper motion RA: 4
  • Primary proper motion DEC: 1
  • Secondary proper motion RA: -7
  • Secondary proper motion DEC: 2
  • Durchmusterung:
  • Notes: