21388+5548

  • Unique Name: 21388+5548BU 687AB
  • RA: 21 38 45.74
  • Dec: +55 47 29.8
  • Discoverer: BU
  • Discoverer Number: 687
  • Components: AB
  • First year: 1877
  • Last year: 2008
  • Observations: 26
  • First position angle: 8
  • Last position angle: 1
  • First separation: 0.5
  • Last separation: 0.6
  • Mag first component: 8.11
  • Mag second component: 9.54
  • Spectral type: A0
  • Primary proper motion RA: 8
  • Primary proper motion DEC: 5
  • Secondary proper motion RA: 8
  • Secondary proper motion DEC: 5
  • Durchmusterung: +55 2612
  • Notes: