20189+3945

  • Unique Name: 20189+3945COU2537
  • RA: 20 18 53.24
  • Dec: +39 45 09.5
  • Discoverer: COU
  • Discoverer Number: 2537
  • Components:
  • First year: 1989
  • Last year: 2008
  • Observations: 3
  • First position angle: 295
  • Last position angle: 294
  • First separation: 0.5
  • Last separation: 0.8
  • Mag first component: 10.05
  • Mag second component: 10.29
  • Spectral type: B1III
  • Primary proper motion RA: -2
  • Primary proper motion DEC: -4
  • Secondary proper motion RA: -2
  • Secondary proper motion DEC: -4
  • Durchmusterung: +39 4132
  • Notes: