21103+5512

  • Unique Name: 21103+5512BU 1500AB
  • RA: 21 10 18.64
  • Dec: +55 11 55.9
  • Discoverer: BU
  • Discoverer Number: 1500
  • Components: AB
  • First year: 1907
  • Last year: 2003
  • Observations: 3
  • First position angle: 117
  • Last position angle: 114
  • First separation: 8.2
  • Last separation: 7.9
  • Mag first component: 10.64
  • Mag second component: 14.6
  • Spectral type: B8
  • Primary proper motion RA: 2
  • Primary proper motion DEC: -6
  • Secondary proper motion RA:
  • Secondary proper motion DEC:
  • Durchmusterung: +54 2487
  • Notes:
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