Structure and evolution of AGB stars: current understandings and beyond

Details Structure and evolution of AGB stars: current understandings and beyond Structure and evolution of AGB stars: current understandings and beyond

Apr 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003assl..283...51f&link_type=abstract

In: Mass-losing pulsating stars and their circumstellar matter. Workshop, May 13-16, 2002, Sendai, Japan, edited by Y. Nakada, M

Astronomy and Astrophysics

Astrophysics

Stellar Evolution, Asymptotic Giant Branch, Carbon Stars, S-Process Nucleosynthesis, Elemental Mixing

Scientific paper

The present knowledge on the AGB stars is reviewed concerning the theory of internal structure, evolution and chemistry. The realization of AGB structure is elucidated from the viewpoint of gravothermal properties of gas spheres, including those with an ONeMg core. Recent developments in respect to the formation of carbon stars and the s-process nucleosynthesis are presented with focus on the extremely metal-poor stars, which may give insights into the formation and early evolution of our galaxy by these studies. Finally, we discuss the importance of non-standard effects in understanding the actual evolution of AGB stars and introduce some recent attempts to reveal their roles in the internal mixing and nucleosynthesis.

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