The VMC survey III. Mass-loss rates and luminosities of LMC AGB stars

Abstract

Dust radiative transfer models are presented for all 374 AGB stars candidates in one of the fields observed by the new VISTA survey of the Magellanic Clouds (VMC). Mass-loss rates, luminosities and a classification of C- and O-rich stars are derived by fitting the models to the spectral energy distribution obtained by combining VMC data with existing optical, near-, and mid-infrared photometry. This exploratory study shows that our method provides reliable mass-loss rates, luminosities and chemical classifications for all AGB stars. These results offer already important constraints to AGB evolutionary models. Most of our conclusions, especially for the rarer dust-enshrouded extreme AGB stars, are however strongly limited by the relatively small area covered by our study. Forthcoming VMC observations will easily remove this limitation. [abridged]

12 pages, 10 figures. Accepted for publication in A&A

References in corpus (11)

• A grid of MARCS model atmospheres for late-type stars I. Methods and general properties
• The ACS Nearby Galaxy Survey Treasury IX. Constraining asymptotic giant branch evolution with old metal-poor galaxies
• A Large Stellar Evolution Database for Population Synthesis Studies. III. Inclusion of the full Asymptotic Giant Branch phase and Web tools for stellar population analyses
• AGB stars in the Magellanic Clouds. II. The rate of star formation across the LMC
• A Problem with the Clustering of Recent Measures of the Distance to the Large Magellanic Cloud
• The VMC Survey IV. The LMC star formation history and disk geometry from four VMC tiles
• Molecules and dust production in the Magellanic Clouds
• The Mass-Loss Return From Evolved Stars to the LMC: Empirical Relations for Excess Emission at 8 and 24 μm
• The Mass-Loss Return from Evolved Stars to the Large Magellanic Cloud IV: Construction and Validation of a Grid of Models for Oxygen-Rich AGB Stars, Red Supergiants, and Extreme AGB Stars
• Discovery of Extreme Carbon Stars in the Large Magellanic Cloud
• The evolved stars of Leo II dSph galaxy from near-infrared UKIRT/WFCAM observations

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