20477+4204

  • Unique Name: 20477+4204BU 268
  • RA: 20 47 40.78
  • Dec: +42 04 06.8
  • Discoverer: BU
  • Discoverer Number: 268
  • Components:
  • First year: 1875
  • Last year: 2009
  • Observations: 33
  • First position angle: 221
  • Last position angle: 199
  • First separation: 0.4
  • Last separation: 0.4
  • Mag first component: 7.75
  • Mag second component: 9.29
  • Spectral type: A0V
  • Primary proper motion RA: 4
  • Primary proper motion DEC: 1
  • Secondary proper motion RA: 4
  • Secondary proper motion DEC: 1
  • Durchmusterung: +41 3889
  • Notes: