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Evolution of planetary systems emerging out of gas disks

Matsumura, S (Northwestern)
Wednesday 19 August 2009, 11:30-11:50

Meeting Room 2, CMS


Previous N-body simulations of multiple planetary systems without a gas disk have successfully reproduced the observed eccentricity distribution by assuming that the planetary systems are dynamically "active" when the gas disk dissipates. The planet-planet interactions alone, however, cannot explain the semi-major axis distribution. We numerically study the evolution of planetary systems as the gas disk dissipates by using a hybrid N-body and 1D gas disk code, and highlight disk's role in shaping the planetary systems.

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