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How much can we trust high-resolution spectroscopic stellar chemical abundances?

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arxiv 1609.09071 v1 pith:ENA2VFY4 submitted 2016-09-28 astro-ph.SR astro-ph.IM

How much can we trust high-resolution spectroscopic stellar chemical abundances?

classification astro-ph.SR astro-ph.IM
keywords abundanceschemicaldifferentstellarhigh-resolutionspectroscopicaspectcodes
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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To study stellar populations, it is common to combine chemical abundances from different spectroscopic surveys/studies where different setups were used. These inhomogeneities can lead us to inaccurate scientific conclusions. In this work, we studied one aspect of the problem: When deriving chemical abundances from high-resolution stellar spectra, what differences originate from the use of different radiative transfer codes?

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