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.

Bibliographic Details
Main Authors:	Calcaferro Leila M., Córsico Alejandro H., Camisassa María E., Althaus Leandro G., Shibahashi Hiromoto
Format:	Article
Language:	English
Published:	EDP Sciences 2017-01-01
Series:	EPJ Web of Conferences
Online Access:	https://doi.org/10.1051/epjconf/201715206012

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spelling	doaj-421a6d87ae724e2a8b5d8b39650b5a002021-08-02T02:47:48ZengEDP SciencesEPJ Web of Conferences2100-014X2017-01-011520601210.1051/epjconf/201715206012epjconf_puls2017_06012Pulsational instability of high-luminosity H-rich pre-white dwarf starCalcaferro Leila M.Córsico Alejandro H.Camisassa María E.Althaus Leandro G.Shibahashi Hiromoto0Department of Astronomy, The University of TokyoWe 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.https://doi.org/10.1051/epjconf/201715206012
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Calcaferro Leila M. Córsico Alejandro H. Camisassa María E. Althaus Leandro G. Shibahashi Hiromoto
spellingShingle	Calcaferro Leila M. Córsico Alejandro H. Camisassa María E. Althaus Leandro G. Shibahashi Hiromoto Pulsational instability of high-luminosity H-rich pre-white dwarf star EPJ Web of Conferences
author_facet	Calcaferro Leila M. Córsico Alejandro H. Camisassa María E. Althaus Leandro G. Shibahashi Hiromoto
author_sort	Calcaferro Leila M.
title	Pulsational instability of high-luminosity H-rich pre-white dwarf star
title_short	Pulsational instability of high-luminosity H-rich pre-white dwarf star
title_full	Pulsational instability of high-luminosity H-rich pre-white dwarf star
title_fullStr	Pulsational instability of high-luminosity H-rich pre-white dwarf star
title_full_unstemmed	Pulsational instability of high-luminosity H-rich pre-white dwarf star
title_sort	pulsational instability of high-luminosity h-rich pre-white dwarf star
publisher	EDP Sciences
series	EPJ Web of Conferences
issn	2100-014X
publishDate	2017-01-01
description	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.
url	https://doi.org/10.1051/epjconf/201715206012
work_keys_str_mv	AT calcaferroleilam pulsationalinstabilityofhighluminosityhrichprewhitedwarfstar AT corsicoalejandroh pulsationalinstabilityofhighluminosityhrichprewhitedwarfstar AT camisassamariae pulsationalinstabilityofhighluminosityhrichprewhitedwarfstar AT althausleandrog pulsationalinstabilityofhighluminosityhrichprewhitedwarfstar AT shibahashihiromoto pulsationalinstabilityofhighluminosityhrichprewhitedwarfstar
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Pulsational instability of high-luminosity H-rich pre-white dwarf star

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