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

Publisher： Edp Sciences

E-ISSN： 2100-014x|152|issue|06012-06012

ISSN： 2100-014x

Source： EPJ Web of Conference, Vol.152, Iss.issue, 2017-09, pp. : 06012-06012

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Abstract

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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