20091+3657

  • Unique Name: 20091+3657SEI 921
  • RA: 20 09 06.42
  • Dec: +36 55 52.7
  • Discoverer: SEI
  • Discoverer Number: 921
  • Components:
  • First year: 1896
  • Last year: 2002
  • Observations: 2
  • First position angle: 338
  • Last position angle: 336
  • First separation: 25.5
  • Last separation: 25.8
  • Mag first component: 10.73
  • Mag second component: 13.16
  • Spectral type: M7
  • Primary proper motion RA: 0
  • Primary proper motion DEC: -7
  • Secondary proper motion RA: -2
  • Secondary proper motion DEC: -6
  • Durchmusterung:
  • Notes:
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