Table 2
Viscoelastic parameters used to compute the tidal response.
| ηref (Pa s) | ηmin − ηmax | μ (GPa), K (GPa) | |
|---|---|---|---|
| Ice | |||
| P< 2.2 GPa: | 1015 | 1014–1016 | μ = 3.3, K = 10 |
| P> 2.2 GPa: | 1017 | 1016–1018 |  |
| Silicate | |||
| P< 25 GPa: | 5 × 1020 | 5 × 1019–5 × 1021 |  |
| P> 25 GPa: | 5 × 1022 | 5 × 1021–5 × 1023 |  |
| P> 130 GPa: | 5 × 1025 | 5 × 1022–5 × 1026 |  |
Notes. Apart from the low-pressure ice mantle (P < 2.2 GPa), where the shear and bulk moduli (μ, K) are assumed constant, the elastic parameters are derived from the density profiles computed using the method presented in Sect. 2and the viscosity, η is assumed constant in each layer and has a prescribed value comprised between ηmin and ηmax.
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