21207+4923

  • Unique Name: 21207+4923ES 820BC
  • RA: 21 20 45.09
  • Dec: +49 23 21.3
  • Discoverer: ES
  • Discoverer Number: 820
  • Components: BC
  • First year: 1902
  • Last year: 2012
  • Observations: 5
  • First position angle: 289
  • Last position angle: 294
  • First separation: 3.6
  • Last separation: 3.6
  • Mag first component: 11.61
  • Mag second component: 13.5
  • Spectral type: F8
  • Primary proper motion RA: 25
  • Primary proper motion DEC: -16
  • Secondary proper motion RA: 8
  • Secondary proper motion DEC: -3
  • Durchmusterung:
  • Notes:
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