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Spitzer Space Telescope spectral observations of AGB stars in the Fornax dwarf spheroidal galaxy

Matsuura, M.; Zijlstra, Albert A; Bernard-Salas, J; Menzies, J. W; Sloan, G C; Whitelock, Patricia A; Wood, Peter R; Cioni, M-R L; Feast, M.W.; Lagadec, Eric; van Loon, Jacco Th; Groenewegen, M A T; Harris, G J


We have observed five carbon-rich asymptotic giant branch (AGB) stars in the Fornax dwarf spheroidal (dSph) galaxy, using the Infrared Spectrometer on board the Spitzer Space Telescope. The stars were selected from a near-infrared survey of Fornax and include the three reddest stars, with presumably the highest mass-loss rates, in that galaxy. Such carbon stars probably belong to the intermediate-age population (2-8 Gyr old and metallicity of [Fe/H] ∼ -1) of Fornax. The primary aim of this...[Show more]

CollectionsANU Research Publications
Date published: 2007
Type: Journal article
Source: Monthly Notices of the Royal Astronomical Society
DOI: 10.1111/j.1365-2966.2007.12501.x


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