Carbon stars and galactic chemical evolution: production of s-elements and wind heterogeneities

Details Carbon stars and galactic chemical evolution: production of s-elements and wind heterogeneities Carbon stars and galactic chemical evolution: production of s-elements and wind heterogeneities

Dec 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008phst..133a4030d&link_type=abstract

Physica Scripta, Volume 133, Issue , pp. 014030 (2008).

Physics

Scientific paper

Cool carbon stars found on the asymptotic giant branch are characterized by their production of specific chemical species and by strong but complex winds. This is illustrated below by (i) discussing their production of s-elements in the Milky Way and in neighbour satellite galaxies and (ii) describing the strong heterogeneities observed in the massive dusty circumstellar envelope of the nearby carbon star IRC+10216. Some similarities existing between the inner clumpy envelope of IRC+10216 with the dusty clumps recently detected around the more evolved variable stars of R Coronae Borealis type are also discussed.

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