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Dynamics and instabilities in exoplanetary systems

Published online by Cambridge University Press:  01 October 2007

Eric B. Ford
Eric B. Ford*
Affiliation:
Department of Astronomy, University of Florida, 211 Bryant Space Science Center, Gainesville, FL 32611-2055, USA email: eford@astro.ufl.edu
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Abstract

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Extrasolar planet surveys have discovered over two dozen multiple planet systems. As radial velocity searches push towards higher precisions and longer survey durations, they can be expected to discover an even higher fraction of multiple planet systems. Combined with radial velocity data, dynamical studies of these systems can constrain planet masses and inclinations, measure the significance of resonant and secular interactions, and provide insights into the formation and evolution of these systems. Here, we review the dynamical properties of known extrasolar multiple planet systems and their implications for planet formation theory. We conclude by outlining pressing questions to be addressed by a combination of future observations and theoretical research.

Keywords

planetary systems: formationcelestial mechanicsgravitationinstabilitiesscatteringtechniques: radial velocities
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 3 , Symposium S249: Exoplanets: Detection, Formation and Dynamics , October 2007 , pp. 441 - 446
Copyright
Copyright © International Astronomical Union 2008

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