20001+1731

  • Unique Name: 20001+1731BU 1477CE
  • RA: 20 00 03.30
  • Dec: +17 30 59.4
  • Discoverer: BU
  • Discoverer Number: 1477
  • Components: CE
  • First year: 1924
  • Last year: 2001
  • Observations: 4
  • First position angle: 116
  • Last position angle: 115
  • First separation: 47.1
  • Last separation: 43.0
  • Mag first component: 5.57
  • Mag second component: 12.99
  • Spectral type: M4IIIa
  • Primary proper motion RA: 2
  • Primary proper motion DEC: -12
  • Secondary proper motion RA: -15
  • Secondary proper motion DEC: -6
  • Durchmusterung:
  • Notes: N
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