20177+3921

  • Unique Name: 20177+3921SEI1070
  • RA: 20 17 42.20
  • Dec: +39 20 58.4
  • Discoverer: SEI
  • Discoverer Number: 1070
  • Components:
  • First year: 1892
  • Last year: 2002
  • Observations: 9
  • First position angle: 144
  • Last position angle: 143
  • First separation: 28.4
  • Last separation: 27.9
  • Mag first component: 10.27
  • Mag second component: 11.06
  • Spectral type: B
  • Primary proper motion RA: -4
  • Primary proper motion DEC: -5
  • Secondary proper motion RA: -4
  • Secondary proper motion DEC: -5
  • Durchmusterung: +38 3993
  • Notes: