pith. the verified trust layer for science. sign in

arxiv: astro-ph/0102383 · v1 · pith:J4I5TXAOnew · submitted 2001-02-22 · 🌌 astro-ph

AGB and Post-AGB Evolution: Structural and Chemical Changes

classification 🌌 astro-ph
keywords evolutionpost-agbchangesduringchemicalhandstarsstructural
0
0 comments X p. Extension
Add this Pith Number to your LaTeX paper What is a Pith Number?
\usepackage{pith}
\pithnumber{J4I5TXAO}

Prints a linked pith:J4I5TXAO badge after your title and writes the identifier into PDF metadata. Compiles on arXiv with no extra files. Learn more

read the original abstract

Structural and chemical changes during the AGB and post-AGB evolution are discussed with respect to two recent observational and theoretical findings. On the one hand, high-resolution infrared observations revealed details of the dynamical evolution of the fragmented, bipolar dust shell around the far-evolved carbon star IRC+10216 giving evidence for rapid changes of an already PPN-like structure during the very end of the AGB evolution. On the other hand, stellar evolution calculations considering convective overshoot have shown how thermal pulses during the post-AGB stage lead to the formation of hydrogen-deficient post-AGB stars with abundance patterns consistent with those observed for Wolf-Rayet central stars.

This paper has not been read by Pith yet.

discussion (0)

Sign in with ORCID, Apple, or X to comment. Anyone can read and Pith papers without signing in.