Astronomy and Astrophysics – Astronomy
Scientific paper
May 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21820304f&link_type=abstract
American Astronomical Society, AAS Meeting #218, #203.04; Bulletin of the American Astronomical Society, Vol. 43, 2011
Astronomy and Astrophysics
Astronomy
Scientific paper
NASA's Kepler mission has identified over 1200 transiting planet candidates, including 170 sets of transiting planet candidates with a common host stars. First, we compare the distribution of transit durations for single and multiple planet candidate systems to investigate the potential differences in the eccentricity distributions between these populations. Second, we compare the frequency of pairs of planets (or planet candidates in the case of Kepler) in or near mean-motion resonances based on Kepler and Doppler planet searches. This comparison helps to address a long-standing question regarding the frequency of small planets in mean-motion resonances that are difficult to identify from Doppler data alone. Finally, we compare the frequency of pairs of planet candidates in or near mean-motion resonances with the frequency of transit timing variations in systems with a single or widely separated planet candidates.
Ford Eric B.
Kepler Science Team
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