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2000A&A...354..125V - Astronomy and Astrophysics, volume 354125-134 (2000/2-1)
Mass-loss rates and dust-to-gas ratios for obscured. Asymptotic Giant Branch stars of different metallicities.
VAN LOON J.T.
Abstract (from CDS):
The mass-loss rates and dust-to-gas ratios of obscured Asymptotic Giant Branch (AGB) stars are investigated for samples with different initial metallicities: in the Small and Large Magellanic Clouds (SMC & LMC) and in the Milky Way. The properties of their circumstellar envelopes can be explained in a consistent way if, both for obscured M-type AGB stars and for obscured carbon stars, the total (gas+dust) mass-loss rate {dot}(M) depends only weakly on initial metallicity whilst the dust-to-gas ratio ψ depends approximately linearly on initial metallicity.
Abstract Copyright: ∼
Journal keyword(s): stars: circumstellar matter - stars: mass-loss - stars: AGB and post-AGB - stars: winds, outflows - galaxies: Magellanic Clouds - infrared: stars
Nomenclature: Table A1: [V2000] JHHMMSS.s+DDMMSS N=7.
Simbad objects: 15
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