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Dynamical evolution of extrasolar planetary systems

Published online by Cambridge University Press:  28 February 2005

Ji-Lin Zhou  and
Yi-Sui Sun
Ji-Lin Zhou
Affiliation:
Department of Astronomy, Nanjing University, Nanjing 210093, China email: [email protected],[email protected].
Yi-Sui Sun
Affiliation:
Department of Astronomy, Nanjing University, Nanjing 210093, China email: [email protected],[email protected].
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Abstract

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To date, more than 130 extrasolar planets around main sequence stars are revealed mainly by the Doppler radial velocity measurements. Due to the observational biases, most of the detected planets are moving in orbits close to the host stars, with some in highly eccentric orbits. Dynamical processes during the late stage of planet formation are important to account for the present orbital properties. These processes include: planet migrations and resonance trappings caused by gravitational interactions between protostellar disk and planets, dynamical scattering due to interactions between planets, etc. In this paper, we review the major effects of these dynamical processes on the orbital characteristics of the planet systems.To search for other articles by the author(s) go to: http://adsabs.harvard.edu/abstract_service.html

Keywords

Celestial mechanicsstars: planetary systems
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2004 , Issue IAUC197 , August 2004 , pp. 29 - 40
Copyright
© 2005 International Astronomical Union