Pulsational instability of high-luminosity H-rich pre-white dwarf star

We present a pulsational stability analysis on high-luminosity H-rich (DA) white dwarf models evolved from low-metallicity progenitors. We found that the ϵ mechanism due to H-shell burning is able to excite low-order g modes.

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Detalles Bibliográficos
Autores principales: Calcaferro, Leila Magdalena, Córsico, Alejandro Hugo, Camisassa, María Eugenia, Althaus, Leandro Gabriel, Shibahashi, Hiromoto
Formato: Articulo
Lenguaje:Inglés
Publicado: 2017
Materias:
Ciencias Astronómicas
Estrellas
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/87411
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
Descripción
Sumario:We present a pulsational stability analysis on high-luminosity H-rich (DA) white dwarf models evolved from low-metallicity progenitors. We found that the ϵ mechanism due to H-shell burning is able to excite low-order g modes.

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