20563+4447

  • Unique Name: 20563+4447ES 675AB
  • RA: 20 56 18.01
  • Dec: +44 46 47.7
  • Discoverer: ES
  • Discoverer Number: 675
  • Components: AB
  • First year: 1892
  • Last year: 2003
  • Observations: 7
  • First position angle: 272
  • Last position angle: 272
  • First separation: 98.5
  • Last separation: 97.6
  • Mag first component: 10.5
  • Mag second component: 10.6
  • Spectral type: B9.5V
  • Primary proper motion RA: -6
  • Primary proper motion DEC: -11
  • Secondary proper motion RA: -6
  • Secondary proper motion DEC: 1
  • Durchmusterung: +44 3637
  • Notes:
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