20423+5723

  • Unique Name: 20423+5723BU 152
  • RA: 20 42 16.81
  • Dec: +57 23 07.4
  • Discoverer: BU
  • Discoverer Number: 152
  • Components:
  • First year: 1873
  • Last year: 2011
  • Observations: 68
  • First position angle: 130
  • Last position angle: 83
  • First separation: 0.4
  • Last separation: 1.1
  • Mag first component: 7.21
  • Mag second component: 8.8
  • Spectral type: A4IV
  • Primary proper motion RA: -6
  • Primary proper motion DEC: 5
  • Secondary proper motion RA: -6
  • Secondary proper motion DEC: 5
  • Durchmusterung: +56 2474
  • Notes: D
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