Computer Science
Scientific paper
Feb 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011noao.prop..590s&link_type=abstract
NOAO Proposal ID #2011A-0590
Computer Science
Scientific paper
Chemical abundances in exoplanet-hosting stars, in comparison to stars which do not harbor known planets, have been found to exhibit intriguing differences in their respective abundance distributions. These chemical differences provide clues to how planets form, as well as how the parent star properties, most importantly the mass and total metallicity, affect the type of planetary system that forms. The program proposed here will carry out a detailed stellar parameter and chemical abundance analysis of a sample of planet-hosting stars uncovered by the Kepler spacecraft as transiting systems. As only a relatively small number of detailed abundance analyses have been undertaken on stars which host planetary systems having their most massive planets being of roughly Neptunian-mass or smaller, this study will focus on Neptunian-sized planets in order to test the possibility that stellar metallicity may play an important role in setting the sizes of planets in different planetary systems.
Cunha Katia
Ghezzi Luan
Schuler Simon C.
Smith Verne V.
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