20557+4755

  • Unique Name: 20557+4755ES 813
  • RA: 20 55 48.33
  • Dec: +47 54 35.0
  • Discoverer: ES
  • Discoverer Number: 813
  • Components:
  • First year: 1909
  • Last year: 2011
  • Observations: 3
  • First position angle: 235
  • Last position angle: 237
  • First separation: 5.2
  • Last separation: 7.4
  • Mag first component: 9.96
  • Mag second component: 12.5
  • Spectral type:
  • Primary proper motion RA: 6
  • Primary proper motion DEC: 9
  • Secondary proper motion RA: -33
  • Secondary proper motion DEC: -4
  • Durchmusterung: +47 3226
  • Notes:
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