21516+1950

  • Unique Name: 21516+1950HJ 947AC
  • RA: 21 51 34.24
  • Dec: +19 49 35.9
  • Discoverer: HJ
  • Discoverer Number: 947
  • Components: AC
  • First year: 1827
  • Last year: 2012
  • Observations: 11
  • First position angle: 315
  • Last position angle: 310
  • First separation: 20.0
  • Last separation: 24.3
  • Mag first component: 5.78
  • Mag second component: 13.51
  • Spectral type: B8III
  • Primary proper motion RA: 21
  • Primary proper motion DEC: 13
  • Secondary proper motion RA: -15
  • Secondary proper motion DEC: -3
  • Durchmusterung:
  • Notes: N
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