Evolution of the pulsation properties of hot pre-white dwarf stars

Details Evolution of the pulsation properties of hot pre-white dwarf stars Evolution of the pulsation properties of hot pre-white dwarf stars

Aug 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985apj...295..547k&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 295, Aug. 15, 1985, p. 547-560. Research sponsored by McDonald Observatory.

Astronomy and Astrophysics

Astrophysics

58

Hot Stars, Pulsars, Stellar Evolution, Stellar Oscillations, White Dwarf Stars, Stellar Luminosity, Stellar Models, Variational Principles, Weighting Functions

Scientific paper

The authors have solved the equations of linear, nonradial adiabatic oscillation for evolutionary pre-white dwarf (PWD) models. They have computed periods, eigenfunctions, weight functions, and rates of period change (dP/dt) for high-order dipole and quadrupole gravity mode oscillations in spherical, nonrotating PWD models with M* = 0.60 - 0.95 M_sun; and log(L/L_sun;) = 3.0 - 1.0. The recently measured period decrease of the pulsating star PG 1159-035 is consistent with the limits provided by these models.

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