21190+3905

  • Unique Name: 21190+3905SEI1498AB
  • RA: 21 18 54.68
  • Dec: +39 05 27.7
  • Discoverer: SEI
  • Discoverer Number: 1498
  • Components: AB
  • First year: 1895
  • Last year: 2012
  • Observations: 8
  • First position angle: 91
  • Last position angle: 91
  • First separation: 28.9
  • Last separation: 29.0
  • Mag first component: 11.79
  • Mag second component: 12.64
  • Spectral type:
  • Primary proper motion RA: -1
  • Primary proper motion DEC: -2
  • Secondary proper motion RA: -4
  • Secondary proper motion DEC: -5
  • Durchmusterung:
  • Notes:
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