Abundances in stars with exoplanets

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Extensive spectroscopic studies of stars with and without planets have concluded that stars hosting planets are significantly more metal-rich than those without planets. More subtle trends of different chemical elements begin to appear as the number of detected extrasolar planetary systems continues to grow. I review our current knowledge concerning the observed abundance trends of various chemical elements in stars with exoplanets and their possible implications.
12 pages, 6 figures, to appear in IAU Symposium 219: Stars as Suns, Activity, Evolution and Planets, eds: A. K. Dupree and A. Benz

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Astrophysics

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http://salesiana.dossiersoluciones.com/handle/123456789/6728

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/astro-ph/0310377
 http://arxiv.org/abs/astro-ph/0310377

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arXiv