Some open questions in the dynamics of extrasolar planetary systems

Details Some open questions in the dynamics of extrasolar planetary systems Some open questions in the dynamics of extrasolar planetary systems

Feb 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006tafp.conf..295f&link_type=abstract

"Tenth Anniversary of 51 Peg-b: Status of and prospects for hot Jupiter studies. Colloquium held at Observatoire de Haute Proven

Physics

Scientific paper

The main concern of the dynamics of extrasolar planetary systems is the stability of the known systems and the identification of dynamical processes which may have determined their past evolution. It is expected that the systems will remain stable for times of the order of their age, but this question has to be answered for each system. These tasks are critically dependent on the access to the actual observational data. We identify immediate questions to be solved in order to determine the actual planetary masses (at least in units of the star mass), to understand the tidal evolution of close-in systems, as well as specific questions on the systems 47 UMa, 55 Cnc, HD 82943 and HD 160691, which could likely get better solutions if the modern techniques of Celestial Mechanics could be applied to the full sets of existing observations.

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