Patterns of planet occurrence from Doppler and Kepler

Andrew W. Howard

doi:10.1117/12.2023103

26 September 2013 Patterns of planet occurrence from Doppler and Kepler

Andrew W. Howard

Proceedings Volume 8864, Techniques and Instrumentation for Detection of Exoplanets VI; 886402 (2013) https://doi.org/10.1117/12.2023103
Event: SPIE Optical Engineering + Applications, 2013, San Diego, California, United States

Abstract

The currently observed architectures of extrasolar planetary systems trace the processes of planetary formation and evolution. Until recently, Jovian-size planets provided nearly all of the observational constraints. From Doppler studies, we detect a steeply rising planet mass distribution down to at least 3 Earth-masses for planets orbiting inside of 0.25 AU. The planet size distribution from Kepler also shows a steep rise with decreasing size, but with a plateau in the occurrence rate for 1{2.8 times Earth size. Analyses of the Kepler data support the bottom-up picture of planet formation by core accretion.

Citation Download Citation

Andrew W. Howard "Patterns of planet occurrence from Doppler and Kepler", Proc. SPIE 8864, Techniques and Instrumentation for Detection of Exoplanets VI, 886402 (26 September 2013); https://doi.org/10.1117/12.2023103

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