21516+1950

  • Unique Name: 21516+1950HJ 947AB
  • RA: 21 51 34.24
  • Dec: +19 49 35.9
  • Discoverer: HJ
  • Discoverer Number: 947
  • Components: AB
  • First year: 1827
  • Last year: 2012
  • Observations: 18
  • First position angle: 93
  • Last position angle: 98
  • First separation: 15.0
  • Last separation: 18.9
  • Mag first component: 5.78
  • Mag second component: 11.39
  • Spectral type: B8III
  • Primary proper motion RA: 21
  • Primary proper motion DEC: 13
  • Secondary proper motion RA: 7
  • Secondary proper motion DEC: 1
  • Durchmusterung: +19 4797
  • Notes: N D
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