Asteroseismology and Evolution of GW Vir stars

Details Asteroseismology and Evolution of GW Vir stars Asteroseismology and Evolution of GW Vir stars

Mar 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009coast.159...99q&link_type=abstract

"Communications in Asteroseismology, Vol. 159, p. 99-106. Proceedings of "JENAM 2008 Symposium No 4: Asteroseismology and Stella

Computer Science

Scientific paper

We present a summary of current knowledge of the hot, pulsating, hydrogen deficient GW Vir stars. At Teff≃ 120,000 K and with an atmosphere composed mainly of helium, carbon, and oxygen, these pulsating stars are showing multiperiodic, intermediate- to high-order g modes. They include in their class some of the hottest white dwarfs and planetary nebulae. We present non-adiabatic asteroseismology results used to determine the atmospheric parameters of GW Vir stars. We also discuss some of the latest asteroseismology results using state of the art post-Asymptotic Giant Branch evolution models.

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