Stability constraints in modeling of multi-planet extrasolar systems

TL;DR

This paper analyzes high-precision radial velocity data of multi-planet systems with Jovian companions, applying dynamical stability constraints and optimization methods to improve modeling accuracy.

Contribution

It introduces a method combining stability constraints with optimization for modeling multi-planet systems from RV data, with new results for specific stars.

Findings

Improved orbital models consistent with stability constraints.

New dynamical insights into HD 155358 and τ^1 Gruis systems.

Enhanced understanding of multi-planet system stability.

Abstract

We present an analysis of high precision radial velocity (RV) observations of stars hosting multi-planet systems with Jovian companions. We use dynamical stability constraints and quasi-global methods of optimization. As an illustration, we present new results derived for the RV data of the Sun-like dwarfs HD 155358 and $\tau^1$ Gruis.