20420+2501

  • Unique Name: 20420+2501POU4889
  • RA: 20 42 03.17
  • Dec: +25 01 38.5
  • Discoverer: POU
  • Discoverer Number: 4889
  • Components:
  • First year: 1899
  • Last year: 2008
  • Observations: 5
  • First position angle: 37
  • Last position angle: 14
  • First separation: 16.6
  • Last separation: 14.6
  • Mag first component: 11.66
  • Mag second component: 12.31
  • Spectral type:
  • Primary proper motion RA: 48
  • Primary proper motion DEC: -8
  • Secondary proper motion RA: 1
  • Secondary proper motion DEC: 1
  • Durchmusterung:
  • Notes:
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