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Chaotic diffusion in the GJ 876 exoplanetary system
Published online by Cambridge University Press: 16 October 2024
Abstract
This is a study about the dynamical stability of the GJ 876 exoplanetary system. The phase space of initial conditions (ICs) is characterized using the MEGNO indicator of chaos and the Shannon entropy approach for estimations of diffusivity. The results are compared to analyze correlations between the chaotic layers and the instability timescales. The long-term dynamical behavior of the system is reminiscent of the stable chaos, at least within the system’s lifetime.
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- © The Author(s), 2024. Published by Cambridge University Press on behalf of International Astronomical Union