Astronomy and Astrophysics – Astronomy
Scientific paper
May 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006cemda..95..245n&link_type=abstract
Celestial Mechanics and Dynamical Astronomy, Volume 95, Issue 1-4, pp. 245-257
Astronomy and Astrophysics
Astronomy
8
Extrasolar Planets, Stellar Jets, Eccentricity Excitation
Scientific paper
We study the influence of mutual planetary perturbations on the process of eccentricity excitation by jet acceleration suggested by Namouni (Astron. J. 130, 280 294). Modeling the jet’s action by a constant-direction acceleration, we solve the linear secular equations of the combined planetary perturbations and the jet acceleration of the host star for a two-planet system. The effects of the acceleration’s strength, relative mass ratio and the relative distance of the two planets are investigated. The model is applied to the extrasolar planetary systems of HD 108874, 47 Uma, and HD 12661.
Namouni Fathi
Zhou Ji-Lin
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