20173+5201

  • Unique Name: 20173+5201ES 660BC
  • RA: 20 17 12.92
  • Dec: +52 00 54.3
  • Discoverer: ES
  • Discoverer Number: 660
  • Components: BC
  • First year: 1897
  • Last year: 2012
  • Observations: 11
  • First position angle: 291
  • Last position angle: 290
  • First separation: 9.3
  • Last separation: 9.8
  • Mag first component: 10.26
  • Mag second component: 10.33
  • Spectral type: A0V:
  • Primary proper motion RA: -2
  • Primary proper motion DEC: 0
  • Secondary proper motion RA: -1
  • Secondary proper motion DEC: -1
  • Durchmusterung:
  • Notes:
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