20231+4047

  • Unique Name: 20231+4047J 787AD
  • RA: 20 23 07.30
  • Dec: +40 46 55.2
  • Discoverer: J
  • Discoverer Number: 787
  • Components: AD
  • First year: 1917
  • Last year: 2003
  • Observations: 4
  • First position angle: 291
  • Last position angle: 293
  • First separation: 15.7
  • Last separation: 15.9
  • Mag first component: 9.4
  • Mag second component: 13.1
  • Spectral type:
  • Primary proper motion RA: -6
  • Primary proper motion DEC: -2
  • Secondary proper motion RA: 1
  • Secondary proper motion DEC: -7
  • Durchmusterung:
  • Notes: N
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