Overstability of the 2:1 mean motion resonance: Exploring disc parameters with hydrodynamic simulations

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Volume 686 (June 2024)

A&A, 686 (2024) A277

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Table 1

Parameters of the disc, planets, and grid for all hydrodynamic simulations.

Parameters	Symbol	Values
Surface density slope	α_Σ	1.0
Flaring index	ƒ	0.25
Smoothing length	ϵ	0.6H_p
Aspect ratio	h₀	0.05
Viscosity parameter	α₀	10⁻⁵
Initial surface density	Σ₀	$1.13 \times 10^{- 4} [\frac{M_{⋆}}{r_{0}^{2}}]$ $1.13 \times {10^{ - 4}}\left[ {{{{M_ \star }} \over {r_0^2}}} \right]$

Inner and outer planets mass	m₁,m₂	5, 10[M_⊕]
Semi-major-axis of planets	a₁,a₂	l.23,2.0[r₀]

Inner and outer boundaries	r_in, r_out	0.2,7.0[r₀]
Spatial resolution	N_r,N_ϕ	700,1024

Notes. The highlighted rows represent the disc parameters of the fiducial model that are changed in the parameter study.

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