20509+1907

  • Unique Name: 20509+1907J 195
  • RA: 20 50 53.57
  • Dec: +19 06 42.7
  • Discoverer: J
  • Discoverer Number: 195
  • Components:
  • First year: 1904
  • Last year: 2009
  • Observations: 10
  • First position angle: 25
  • Last position angle: 26
  • First separation: 2.7
  • Last separation: 3.4
  • Mag first component: 11.4
  • Mag second component: 11.4
  • Spectral type: G0
  • Primary proper motion RA: -1
  • Primary proper motion DEC: -14
  • Secondary proper motion RA: 37
  • Secondary proper motion DEC: 74
  • Durchmusterung: +18 4632
  • Notes: