The Chemical Compositions of Stars with Planets: A Review | Zendy

Guillermo González | Zendy

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The Chemical Compositions of Stars with Planets: A Review

Author(s) -

Guillermo González

Publication year - 2006

Publication title -

publications of the astronomical society of the pacific

Language(s) - English

Resource type - Journals

eISSN - 1538-3873

pISSN - 0004-6280

DOI - 10.1086/509792

Subject(s) - exoplanet , planet , stars , metallicity , astrobiology , astronomy , astrophysics , physics , geography

A number of trends among the properties of exoplanets have become evident inthe years since the first one was announced in 1995. One particularlyinteresting trend began to emerge in 1997 -- the incidence of giant planetscorrelates with the metallicity of the host star. This has since beenestablished with a high degree of statistical significance by several researchgroups. Other, more subtle, trends are beginning to appear as the sample sizecontinues to grow and the statistics improve. I review the state of ourknowledge concerning the observed compositional trends and their possiblecauses and suggest several research directions.Comment: invited review paper for PAS

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