20001+1731

  • Unique Name: 20001+1731H 4 100AB
  • RA: 20 00 10.43
  • Dec: +17 30 09.1
  • Discoverer: H 4
  • Discoverer Number: 100
  • Components: AB
  • First year: 1783
  • Last year: 2013
  • Observations: 19
  • First position angle: 260
  • Last position angle: 265
  • First separation: 23.0
  • Last separation: 23.9
  • Mag first component: 9.96
  • Mag second component: 10.12
  • Spectral type: K0
  • Primary proper motion RA: 6
  • Primary proper motion DEC: -3
  • Secondary proper motion RA: 3
  • Secondary proper motion DEC: -8
  • Durchmusterung: +17 4186
  • Notes: N
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