The Extent and Cause of the Pre-White Dwarf Instability Strip

  title={The Extent and Cause of the Pre-White Dwarf Instability Strip},
  author={Michael S. O'Brien},
  journal={The Astrophysical Journal},
  pages={1078 - 1088}
  • M. O'Brien
  • Published 1 December 1998
  • Physics
  • The Astrophysical Journal
One of the least understood aspects of white dwarf evolution is the process by which they are formed. The initial stages of white dwarf evolution are characterized by high luminosity, high effective temperature, and high surface gravity, making it difficult to constrain their properties through traditional spectroscopic observations. We are aided, however, by the fact that many H- and He-deficient pre-white dwarfs (PWDs) are multiperiodic g-mode pulsators. These stars fall into two classes: the… 
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