We performed high-resolution, 2D, locally isothermal hydrodynamical simulations of planets with varying masses on fixed orbits in discs with varying aspect ratios and viscosities. In this work, we aim to obtain a simple formula to model eccentricity damping of the type-I regime in low-viscosity discs, where even small planets of a few to a few tens of Earth masses may start opening partial gaps in the gas surface density around their orbit. It is well known that partial and deep gap opening depends on a disc’s viscosity however, damping formulas for orbital eccentricities have only been derived at high viscosities, ignoring partial gap opening.Īims. Lega 2Į-mail: Côte d’Azur, Observatoire de la Côte d’Azur, CNRS, Laboratoire Lagrange UMR7293, Boulevard de l’Observatoire,Ĭontext.
Astronomical objects: linking to databases.Including author names using non-Roman alphabets.Suggested resources for more tips on language editing in the sciences
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