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Molecular Abundances in AGB Circumstellar Envelopes
Stockholm University, Faculty of Science, Department of Astronomy.
2005 (English)In: Proceedings of the International Astronomical Union, ISSN 1743-9213, Vol. 1, no S231, 499-508 p.Article, review/survey (Other (popular science, discussion, etc.)) Published
Abstract [en]

n this review the present status of molecules in circumstellar envelopes of AGB stars is presented. Emphasis is put on the determination of abundances, and estimates of their uncertainties, from an observational point of view. Despite an impressive number of circumstellar species detected, about 60, there remains much work before general conclusions can be drawn. In particular, sophisticated radiative transfer modelling of circumstellar line emission must be done. This requires a detailed knowledge of the stellar and circumstellar properties, as well as basic molecular physics/chemistry data.

Place, publisher, year, edition, pages
2005. Vol. 1, no S231, 499-508 p.
Keyword [en]
stars: AGB and post-AGB, stars: abundances, stars: mass loss, stars: circumstellar matter, radiative transfer
National Category
Astronomy, Astrophysics and Cosmology
Identifiers
URN: urn:nbn:se:su:diva-20171DOI: doi:10.1017/S1743921306007526OAI: oai:DiVA.org:su-20171DiVA: diva2:186696
Available from: 2007-03-01 Created: 2007-03-01 Last updated: 2011-01-12Bibliographically approved

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Publisher's full texthttp://journals.cambridge.org/action/displayFulltext?type=1&fid=415834&jid=IAU&volumeId=1&issueId=S231&aid=415833

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