20137+4050

  • Unique Name: 20137+4050DOO 13
  • RA: 20 13 44.60
  • Dec: +40 50 19.2
  • Discoverer: DOO
  • Discoverer Number: 13
  • Components:
  • First year: 1900
  • Last year: 2009
  • Observations: 22
  • First position angle: 258
  • Last position angle: 258
  • First separation: 2.8
  • Last separation: 2.9
  • Mag first component: 9.94
  • Mag second component: 10.39
  • Spectral type: B2I:
  • Primary proper motion RA: -2
  • Primary proper motion DEC: -6
  • Secondary proper motion RA: -3
  • Secondary proper motion DEC: -6
  • Durchmusterung: +40 4068
  • Notes: N D