Hostname: page-component-848d4c4894-wg55d Total loading time: 0 Render date: 2024-05-22T11:28:11.517Z Has data issue: false hasContentIssue false
  • English
  • Français

Helium Shell-Flashes in Accreting White Dwarfs

Published online by Cambridge University Press:  12 April 2016

M. Y. Fujimoto  and
D. Sugimoto
M. Y. Fujimoto
Affiliation:
Takada Branch, Faculty of Education, Niigata University
D. Sugimoto
Affiliation:
Department of Earth Science and Astronomy, College of General Education, University of Tokyo

Extract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

When gas is accreted onto a carbon-oxygen white dwarf, a hydrogen shell-flash is triggered. Recently such phenomena are studied by many authors in relation to nova explosions and rekindling of white dwarfs. Unless all of the accreted gas is ejected by the process of the nova, a helium zone is formed as a result of hydrogen shell-burning. As the hydrogen shell-flashes recur many times, the helium zone grows gradually in mass. Then the helium shell-flash will be ignited as in the deep interior of ordinary red giant stars. We have investigated such process, simulating it by helium accretion at a constant rate. In the present paper we show that the helium shell-flashes result in a variety of strengths depending upon situations.

Type
Colloquium Session IV
Information
International Astronomical Union Colloquium , Volume 53: White Dwarfs and Variable Degenerate Stars , August 1979 , pp. 285 - 289
Copyright
Copyright © The University of Rochester 1979

References

Fujimoto, M.Y., and Sugimoto, D. 1979, Publ. Astron. Soc, Japan, 31, 1.Google Scholar
Kaminishi, K., Arai, K., and Yoshinaga, K. 1975, Prog. Theor. Phys., Kyoto, 53, 1855.Google Scholar
Mazurek, T.J. 1973, Astrophys. Space. Sci. 23, 365.Google Scholar
Nomoto, K., and Sugimoto, D., 1977, Publ. Astron. Soc. Japan, 29, 765.Google Scholar
Sugimoto, D., and Fujimoto, M.Y. 1978, Publ. Astron. Soc. Japan, 30, 467.Google Scholar
Wheeler, J.C. 1978 in Proceedings of the Workshop on Supernovae and Supernova Remnants held in Erice.Google Scholar