Exploring Stellar Multiplicity Among Kepler Objects of Interest

Details Exploring Stellar Multiplicity Among Kepler Objects of Interest Exploring Stellar Multiplicity Among Kepler Objects of Interest

Jan 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21941404m&link_type=abstract

American Astronomical Society, AAS Meeting #219, #414.04

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Scientific paper

The relationship between stellar multiplicity and planet occurrence relates closely to the process of planet formation, but is poorly understood. In particular, close binary systems have typically been selected against by radial velocity planet surveys. Kepler, on the other hand, has in principle no such selection bias, having selected its targets purely on the basis of broadband photometry. The multiplicity of Kepler planet candidate host stars is thus both unknown and of considerable interest. We present results of an ongoing effort to detect or constrain the presence of stellar companions to Kepler Objects of Interest. In addition to questions of planet formation in binary star systems, identifying multiplicity in Kepler host stars is of crucial importance to properly understanding the planet population itself, as the presence of binary companions would cause planet radii to be systematically underestimated.

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