Piecing Together Planet Populations: How RV Super-Earth Frequency Predictions Measure up to Kepler's Planet Candidates

Astronomy and Astrophysics – Astronomy

Scientific paper

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Scientific paper

Based on the mass and period distributions of the super-Earths discovered by the Geneva Extrasolar Planet Search, there are expected to be planets less massive than Neptune orbiting a large fraction of main sequence stars in periods of 50 days or less. Expanding on this prediction, we employ a Monte Carlo method to create populations of super-Earths with varying compositions, mass distributions, and period distributions. We then compare the results of these simulations with the planet candidates announced by Kepler on June 15, 2010, calculating a statistical best fit to identify the radial velocity super-Earth population which is most likely to reproduce Kepler's population of planet candidates.

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