Do all gaps in protoplanetary discs host planets? | Astronomy & Astrophysics (A&A)

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Table 5

Mean distance in mutual Hill radius for the three and four planet systems for different α-viscosity values after 100 Myr of integration time.

System	α	Planet neighbours	Distance
3 planets	10⁻³	1–2	7.07
		2–3	4.79

	3.16 × 10⁻⁴	1–2	9.79
		2–3	6.29

	10⁻⁴	1–2	12.63
		2–3	7.35

4 planets	10⁻³	1–2	6.90
		2–3	4.75
		3–4	3.80

	3.16 × 10⁻⁴	1–2	9.97
		2–3	6.37
		3–4	4.80

	10⁻⁴	1–2	13.95
		2–3	8.18
		3–4	6.03

Notes. The results correspond to both configurations for the positions of the planets (wide & compact) and both configurations for their initial mass (fixed & random).

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