A SEARCH FOR PULSATIONS IN HELIUM WHITE DWARFS

@article{Steinfadt2012ASF,
  title={A SEARCH FOR PULSATIONS IN HELIUM WHITE DWARFS},
  author={Justin D. R. Steinfadt and L. Bildsten and D. Kaplan and B. Fulton and S. Howell and T. Marsh and E. Ofek and A. Shporer},
  journal={Publications of the Astronomical Society of the Pacific},
  year={2012},
  volume={124},
  pages={1-13}
}
  • Justin D. R. Steinfadt, L. Bildsten, +5 authors A. Shporer
  • Published 2012
  • Physics
  • Publications of the Astronomical Society of the Pacific
  • The recent plethora of sky surveys, especially the Sloan Digital Sky Survey, have discovered many low-mass (M < 0.45 M_⊙) white dwarfs that should have cores made of nearly pure helium. These WDs come in two varieties: those with masses 0.2 < M < 0.45 M_⊙ and H envelopes so thin that they rapidly cool and those with M < 0.2 M_⊙ (often called extremely low mass [ELM] WDs) that have thick enough H envelopes to sustain 10^9 yr of H burning. In both cases, these WDs evolve through the ZZ Ceti… CONTINUE READING
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