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PS: Orbital evolution of circumbinary planets due to creep tides – Zoppetti

April 18, 2022 @ 12:45 pm - 1:00 pm

In this work, we present the results of applying the creep tide model (Ferraz Mello 2013) to the orbital evolution of circumbinary planets. This model allow us to consider stiff bodies, in addition to the gaseous bodies considered in previous works (Zoppetti 2019,2020). We perform a series of direct numerical integrations of the full equations and also we compare the results with the ones obtained with a high-order secular analytical model. Between the most interesting results, we find that the direction of migration of planetary semimajor axis depends, not only of the planetary eccentricity, secondary mass and semimajor axes ratio; but also on the viscosity of the circumbinary planet.


April 18, 2022
12:45 pm - 1:00 pm
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