Variable Stars and The Asymptotic Giant Branch: Stellar Pulsations, Dust Production and Mass Loss

Details Variable Stars and The Asymptotic Giant Branch: Stellar Pulsations, Dust Production and Mass Loss Variable Stars and The Asymptotic Giant Branch: Stellar Pulsations, Dust Production and Mass Loss

May 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21811404s&link_type=abstract

American Astronomical Society, AAS Meeting #218, #114.04; Bulletin of the American Astronomical Society, Vol. 43, 2011

Astronomy and Astrophysics

Astronomy

Scientific paper

Intermediate-mass stars (0.8-8.0 solar masses) are major contributors of new elements to interstellar space. These stars eventually evolve into asymptotic giant branch (AGB) stars. During the AGB phase, these stars suffer intensive mass loss leading to the formation of circumstellar shells of dust and neutral gas, including the new elements formed during the star's life. However, the intimate link between dust formation and mass loss from these stars remains inadequately understood. Using a infrared and visible imaging of AGB stars an investigation of the structure and evolution of the circumstellar dust and its environment will be presented.

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