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Some Concerns About the Reliability of LTE Abundance Analyses in Cool, Active Stars

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Book cover Chemical Abundances and Mixing in Stars in the Milky Way and its Satellites

Part of the book series: ESO ASTROPHYSICS SYMPOSIA ((ESO))

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Abstract

We discuss recent observational evidence illustrating the current limitations plaguing classical LTE abundance analyses of cool (T eff < 5500 K), chromospherically active stars. Although significant progress on this issue can be evidently expected from a more realistic atmospheric modelling and treatment of NLTE line formation, a homogeneous abundance study of a large sample of inactive K-type stars may also prove valuable in disentangling temperature and activity effects.

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© 2006 Springer

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Morel, T., Micela, G., Favata, F. (2006). Some Concerns About the Reliability of LTE Abundance Analyses in Cool, Active Stars. In: Randich, S., Pasquini, L. (eds) Chemical Abundances and Mixing in Stars in the Milky Way and its Satellites. ESO ASTROPHYSICS SYMPOSIA. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-34136-9_24

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