A Critical Look at the Question of Thick vs Thin Hydrogen and Helium Envelopes in White Dwarfs

[1]  G. Fontaine,et al.  A Reanalysis of Multiwavelength Observations of the Pulsating DA White Dwarf G117-B15A , 1996 .

[2]  Forrest J. Rogers,et al.  Updated Opal Opacities , 1996 .

[3]  S. Vennes,et al.  Improved Calculations of the Equilibrium Abundances of Heavy Elements Supported by Radiative Levitation in the Atmospheres of Hot DA White Dwarfs , 1995 .

[4]  Gilles Chabrier,et al.  An Equation of State for Low-Mass Stars and Giant Planets , 1995 .

[5]  Pierre Chayer,et al.  Radiative Levitation in Hot White Dwarfs: Equilibrium Theory , 1995 .

[6]  E. L. Robinson,et al.  The pulsation index, effective temperature, and thickness of the hydrogen layer in the pulsating DA white dwarf G117-B15A , 1995 .

[7]  F. LeBlanc,et al.  On the Predicted Abundances of Iron and Nickel Supported by Radiative Levitation in the Atomospheres of Hot DA White Dwarfs , 1994 .

[8]  James Liebert,et al.  A spectroscopic analysis of DAO and hot DA white dwarfs: The implications of the prescence of helium and the nature of DAO stars , 1994 .

[9]  Brian Warner,et al.  Whole earth telescope observations of the DBV white dwarf GD 358 , 1994 .

[10]  Paul A. Bradley,et al.  An asteroseismological determination of the structure of the DBV white dwarf GD 358 , 1994 .

[11]  G. Fontaine,et al.  ON THE HYDROGEN LAYER THICKNESS IN PULSATING DA WHITE DWARFS , 1994 .

[12]  H. Hayashi,et al.  Electrical and thermal conductivities of dense matter in the crystalline lattice phase. III: Inclusion of lower densities , 1993 .

[13]  A. Sansom,et al.  ROSAT studies of the composition and structure of DA white dwarf atmospheres , 1993 .

[14]  N. Itoh,et al.  Electrical and Thermal Conductivities of Dense Matter in the Crystalline Lattice Phase. II. Impurity Scattering , 1993 .

[15]  S. Vennes,et al.  An interpretation of the spectral properties of hot hydrogen-rich white dwarfs with stratified H/He model atmospheres , 1992 .

[16]  F. Rogers,et al.  Rosseland Mean Opacities for Variable Compositions , 1992 .

[17]  G. Fontaine,et al.  The Case of G226-29: Evidence for a Pulsating DA White Dwarf with a Thick Hydrogen Layer? , 1992 .

[18]  James Liebert,et al.  A spectroscopic determination of the mass distribution of DA white dwarfs , 1992 .

[19]  S. Vennes.  The constitution of the atmospheric layers and the extreme ultraviolet spectrum of hot hydrogen-rich white dwarfs , 1992 .

[20]  S. Vennes,et al.  How much hydrogen is there in a white dwarf , 1991 .

[21]  A. Tutukov,et al.  Evolution of Stars: The Photospheric Abundance Connection , 1991 .

[22]  S. Kawaler,et al.  Adiabatic properties of pulsating DA white dwarfs. I, The treatment of the Brunt-Väisälä frequency and the region of period formation , 1991 .

[23]  J. Liebert,et al.  Discovery of Helium in the Atmospheres of Cool DA Stars and Evidence for Convective Mixing , 1990 .

[24]  G. Fontaine,et al.  Evolutionary models for pulsation studies of white dwarfs , 1990 .

[25]  Steven D. Kawaler,et al.  The hydrogen shell game - Pulsational instabilities in hydrogen shell-burning planetary nebula nuclei , 1988 .

[26]  Gilles Fontaine,et al.  The Presence of Helium in Hot DA White Dwarfs: The Role of Radiative Levitation and the Case for Stratified Atmospheres , 1988 .

[27]  E. Sion.  RECENT ADVANCES ON THE FORMATION AND EVOLUTION OF WHITE DWARFS. , 1986 .

[28]  J. Liebert,et al.  The Luminosity Function of DA White Dwarfs , 1986 .

[29]  G. Fontaine,et al.  Carbon pollution in helium-rich white dwarf atmospheres: time-dependent calculations of the dredge-up process , 1986 .

[30]  J. Greenstein.  The frequency of hydrogen white dwarfs as observed at high signal to noise ratio , 1986 .

[31]  J. Liebert,et al.  Spectrophotometric and model-atmosphere analyses of the hot DO and DAO white dwarfs from the Palomar-Green survey , 1985 .

[32]  N. Itoh,et al.  Electrical and thermal conductivities of dense matter in the crystalline lattice phase , 1984 .

[33]  I. Iben,et al.  Cooling of low-mass carbon-oxygen dwarfs from the planetary nucleus stage through the crystallization stage , 1984 .

[34]  E. Sion.  Implications of the absolute magnitude distribution functions of DA and non-DA white dwarfs , 1984 .

[35]  I. Iben.  On the frequency of planetary nebula nuclei powered by helium burning and on the frequency of white dwarfs with hydrogen-deficient atmospheres , 1984 .

[36]  N. Itoh,et al.  Electrical and thermal conductivities of dense matter in the liquid metal phase. II - Low-temperature quantum corrections , 1984 .

[37]  H. Iyetomi,et al.  Electrical and thermal conductivities of dense matter in the liquid metal phase. I - High-temperature results , 1983 .

[38]  H. Graboske,et al.  Equations of State for Stellar Partial Ionization Zones , 1977 .

[39]  J. Clemens.  The hydrogen layer mass of the ZZ Ceti stars , 1995 .

[40]  R. Napiwotzki.  White dwarfs in old planetary nebulae , 1995 .

[41]  D. Winget,et al.  Hot or not? Theoretical blue edges for DA and DB white dwarf models , 1994 .

[42]  R. Tweedy.  The Death of the EUV Opacity Problem , 1993 .

[43]  M. Barstow.  White Dwarfs: Advances in Observation and Theory , 1993 .

[44]  S. O. Kepler,et al.  High-Speed Photometric Observations of the Pulsating DA White Dwarf GD 165 , 1993 .

[45]  H. Shipman.  Origin of the DA and non-DA white dwarf stars , 1989 .

[46]  M. Wood,et al.  The effect of varying helium and hydrogen layer masses on the pulsation properties of white dwarf models , 1989 .

[47]  F. Wesemoel,et al.  Are pulsatiohs a useful probe of the structure of the outer layers of white dwarfs , 1989 .

[48]  D. Koester.  Chemical stratification in white dwarf atmospheres and envelopes , 1989 .

[49]  Pierre Chayer,et al.  An explanation for the peculiar EUV spectrum of the hot DA white dwarf Feige 24 , 1989 .

[50]  J. Liebert,et al.  The luminosity function and the evolution of surface abundances of white dwarfs. , 1987 .

[51]  N. Kameswara Rao,et al.  Hydrogen deficient stars and related objects , 1986 .

[52]  J. Liebert.  The Origin and Evolution of Helium-Rich White Dwarfs , 1985 .

[53]  C. Hansen,et al.  Hydrogen-driving and the blue edge of compositionally stratified ZZ Ceti star models , 1982 .