21404+5029

  • Unique Name: 21404+5029ES 1104AB
  • RA: 21 40 23.08
  • Dec: +50 31 40.5
  • Discoverer: ES
  • Discoverer Number: 1104
  • Components: AB
  • First year: 1911
  • Last year: 2011
  • Observations: 2
  • First position angle: 354
  • Last position angle: 347
  • First separation: 3.3
  • Last separation: 3.3
  • Mag first component: 9.9
  • Mag second component: 13.4
  • Spectral type: O7
  • Primary proper motion RA: -4
  • Primary proper motion DEC: -9
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +49 3591
  • Notes:
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