20021+5439

  • Unique Name: 20021+5439BU 427CD
  • RA: 20 02 22.85
  • Dec: +54 40 07.5
  • Discoverer: BU
  • Discoverer Number: 427
  • Components: CD
  • First year: 1877
  • Last year: 2011
  • Observations: 15
  • First position angle: 337
  • Last position angle: 336
  • First separation: 3.0
  • Last separation: 3.1
  • Mag first component: 8.39
  • Mag second component: 10.18
  • Spectral type: F2III
  • Primary proper motion RA: 1
  • Primary proper motion DEC: -6
  • Secondary proper motion RA: 0
  • Secondary proper motion DEC: 0
  • Durchmusterung: +54 2277
  • Notes:
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