18405+3139

  • Unique Name: 18405+3139HO 437AC
  • RA: 18 40 29.71
  • Dec: +31 38 36.4
  • Discoverer: HO
  • Discoverer Number: 437
  • Components: AC
  • First year: 1893
  • Last year: 2014
  • Observations: 8
  • First position angle: 273
  • Last position angle: 272
  • First separation: 40.4
  • Last separation: 39.9
  • Mag first component: 9.0
  • Mag second component: 11.3
  • Spectral type: A5
  • Primary proper motion RA: -11
  • Primary proper motion DEC: 1
  • Secondary proper motion RA: 7
  • Secondary proper motion DEC: -10
  • Durchmusterung:
  • Notes: