Just the Facts

  • K2V + dA
  • kinematic member of the Hyades
  • distance = 47 pc
  • P=12.5 hours
  • Well determined orbit
  • i = 76.5 ± 1
  • WD totally eclipsed
  • Possible BD tertiary with 31 year period (Guinan and Ribas, ApJ 546, L43)
  • soft X-ray source
  • pre-CV, post common envelope system
  • Comprehensive reference: O'Brien, Bond, Sion ApJ 563, 971

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