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Post-AGB stars in the SMC as tracers of stellar evolution: The extreme s-process enrichment of the 21 μm star J004441.04-732136.4

De Smedt, K; van Winckel, Hans; Karakas, Amanda; Siess, Lionel; Goriely, S; Wood, Peter R

Description

Context. This paper is part of a larger project in which we want to focus on the still poorly understood asymptotic giant branch (AGB) third dredge-up processes and associated s-process nucleosynthesis. Aims. We confront accurate spectral abundance analyses of post-AGB stars in both the Magellanic Clouds, to state-of-the-art AGB model predictions. With this comparison we aim at improving our understanding of the 3rd dredge-up phenomena and their dependencies on initial mass and metallicity....[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
URI: http://hdl.handle.net/1885/64212
Source: Astronomy and Astrophysics
DOI: 10.1051/0004-6361/201219150

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