Molecular data on circumstellar envelopes around AGB stars

Details Molecular data on circumstellar envelopes around AGB stars Molecular data on circumstellar envelopes around AGB stars

Apr 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003assl..283..275b&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

1

Agb And Post-Agb Stars, Mass-Loss Rates, Molecules, Circumstellar Gas

Scientific paper

Observations of molecular line emission in circumstellar envelopes around AGB and post-AGB stars are the best tool to measure a number of circumstellar gas parameters: total mass, present or past mass-loss rate, expansion velocity, shape, chemical composition, etc. In this review, I discuss basic results and relevant recent work on this topic. Both observational data and theoretical analysis are reviewed. The reliable determination of some parameters and recent work on SiO masers are in particular discussed.

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