21306+4742

  • Unique Name: 21306+4742ES 824
  • RA: 21 30 38.04
  • Dec: +47 42 53.8
  • Discoverer: ES
  • Discoverer Number: 824
  • Components:
  • First year: 1900
  • Last year: 2011
  • Observations: 6
  • First position angle: 4
  • Last position angle: 354
  • First separation: 6.6
  • Last separation: 6.1
  • Mag first component: 9.98
  • Mag second component: 10.7
  • Spectral type: B5V
  • Primary proper motion RA: 4
  • Primary proper motion DEC: 0
  • Secondary proper motion RA: -6
  • Secondary proper motion DEC: 0
  • Durchmusterung: +47 3434
  • Notes:
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