Eccentricity generation in hierarchical triple systems: the planetary regime

Details Eccentricity generation in hierarchical triple systems: the planetary regime Eccentricity generation in hierarchical triple systems: the planetary regime

Feb 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006mnras.366..566g&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 366, Issue 2, pp. 566-574.

Astronomy and Astrophysics

Astronomy

1

Celestial Mechanics, Binaries: General, Planetary Systems

Scientific paper

In previous papers, we developed a technique for estimating the inner eccentricity in hierarchical triple systems, with the inner orbit being initially circular. We considered systems with well-separated components and different initial setups (e.g., coplanar and non-coplanar orbits). However, the systems we examined had comparable masses. In the present paper, the validity of some of the formulae derived previously is tested by numerically integrating the full equations of motion for systems with smaller mass ratios (from 10-3 to 103, i.e. systems with Jupiter-sized bodies). There is also discussion about HD217107 and its planetary companions.

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