Investigating the planet-metallicity correlation with Kepler

Details Investigating the planet-metallicity correlation with Kepler Investigating the planet-metallicity correlation with Kepler

Sep 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011ess.....2.0406m&link_type=abstract

American Astronomical Society, ESS meeting #2, #4.06

Mathematics

Probability

Scientific paper

One of the most striking results from the early days of exoplanet science is the strong correlation between a star's metallicity and the probability of it hosting a giant planet. This planet-metallicity correlation is predicted to be weaker for smaller planets but remains unmeasured for Neptune- and Earth-sized planets. The planet detections from the Kepler mission provide an enticing opportunity to test the planet-metallicity relationship for small planets, but the host stars in the Kepler field have unknown metallicities. To this end, we present preliminary results from the California Kepler Survey (CKS), which is designed to measure the stellar properties of Kepler Objects of Interest, as well as characterizing the metallicity distribution of parent sample of Kepler target stars.

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