Asymptotic Giant Branch Stars in the Magellanic Clouds: Dust Production and Mass Return.

Details Asymptotic Giant Branch Stars in the Magellanic Clouds: Dust Production and Mass Return. Asymptotic Giant Branch Stars in the Magellanic Clouds: Dust Production and Mass Return.

Jan 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21715404b&link_type=abstract

American Astronomical Society, AAS Meeting #217, #154.04; Bulletin of the American Astronomical Society, Vol. 43, 2011

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Scientific paper

The Small Magellanic Cloud (SMC) was imaged from 3.6 to 160 microns as part of the Legacy program entitled: "Surveying the Agents of Galaxy Evolution in the SMC", or SAGE-SMC. These wavelengths are ideal for studying circumstellar dust, and the full spatial coverage of the SMC (including the bar, wing, and tail) allows for a statistically complete study of its entire dust-producing Asymptotic Giant Branch (AGB) star population. Here, we present the infrared colors and spectral energy distributions of AGB stars, particularly with respect to dust production and mass loss. We also compare the SMC AGB population to those in the higher-metallicity LMC and other metal-poor Local Group dwarf galaxies to assess the influence of metallicity on AGB dust production.
This work is supported by Spitzer via JPL contracts 1309827 and 1340964.

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