Published online by Cambridge University Press: 02 December 2009
Several spectroscopic studies have shown that stars with giant planets are particularly metal-rich compared with average field stars. In this paper we review the most recent results concerning the study of the chemical abundances of planet-host stars. Abundance distributions for several elements are presented or discussed, including those of iron-peak and alpha-elements, and the light elements lithium (both 7Li and 6Li) and beryllium. The impact of these results on the theories of planet formation and evolution is discussed.
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