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Fluorine Abundances in AGB Carbon Stars: New Results?
Published online by Cambridge University Press: 05 March 2013
Abstract
A recent reanalysis of the fluorine abundance in three Galactic Asymptotic Giant Branch (AGB) carbon stars (TX Psc, AQ Sgr and R Scl) by Abia et al. (2009) results in estimates of fluorine abundances systematically lower by ∼0.8 dex on average, with respect to the sole previous estimates by Jorissen, Smith & Lambert (1992). The new F abundances are in better agreement with the predictions of full-network stellar models of low-mass (<3 M⊙) AGB stars.
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- Copyright © Astronomical Society of Australia 2009
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