The termination of the asymptotic giant branch phase imposed by helium shell flashes - Description and conclusions

Details The termination of the asymptotic giant branch phase imposed by helium shell flashes - Description and conclusions The termination of the asymptotic giant branch phase imposed by helium shell flashes - Description and conclusions

May 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984mnras.208..215t&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 208, May 1, 1984, p. 215-227. Research supported by the

Astronomy and Astrophysics

Astronomy

6

Asymptotic Giant Branch Stars, Hertzsprung-Russell Diagram, Stellar Envelopes, Stellar Evolution, Stellar Mass Ejection, Variable Stars, White Dwarf Stars, Helium, Mass To Light Ratios, Mira Variables, Planetary Nebulae, Stellar Mass, Stellar Oscillations, Thermonuclear Reactions

Scientific paper

The increase in the surface luminosity associated with the well-known helium shell flashes might be a trigger for an early mass ejection process. This phenomenon has a significant influence on the global statistical features of the Mira variables as well as on the mass distribution of white dwarfs. The above situation is analysed by adopting the luminosity behaviour during helium shell flashes presented by Wood & Zarro (1981) to the dynamical picture for the asymptotic giant branch stars given by Tuchman, Sack & Barkat (1979). The main observational implications are described and discussed.

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