Table 3
Range of possible eccentricities for the four outer planets of TRAPPIST-1 from Grimm et al. (2018), the corresponding dissipated energy and tidal heat fluxes for the low iron scenario for a multi-layer planet and for the homogeneous model with averaged values for shear modulus and viscosity from Fig. 9 (see Table 1 for the parameters of the planets).
| Multi-layer model | Homogeneous model | Layer-averaged model | |||||
|---|---|---|---|---|---|---|---|
| Planet | Eccentricity | Dissipation | Tidal heat flux | Dissipation | Tidal heat flux | Dissipation | Tidal heat flux |
| (TW) | (W m−2) | (TW) | (W m−2) | (TW) | (W m−2) | ||
| T-1e | 4.52 × 10−3 | 9.3e0 | 2.2e-2 | 6.4e3 | 1.5e1 | 9.5e0 | 2.3e-2 |
| 5.10 × 10−3 | 1.2e1 | 2.8e-2 | 8.2e3 | 1.9e1 | 1.2e1 | 2.9e-2 | |
| 5.68 × 10−3 | 1.5e1 | 3.5e-2 | 1.0e4 | 2.4e1 | 1.5e1 | 3.6e-2 | |
| T-1f | 9.39 × 10−3 | 1.4e1 | 2.5e-2 | 6.5e3 | 1.3e-1 | 1.5e1 | 2.6e-2 |
| 1.01 × 10−2 | 1.6e1 | 2.9e-2 | 7.5e3 | 2.4e-1 | 1.7e1 | 3.0e-2 | |
| 1.08 × 10−2 | 1.8e1 | 3.3e-2 | 8.6e3 | 4.0e-1 | 1.9e1 | 3.4e-2 | |
| T-1g | 1.50 × 10−3 | 3.3e-1 | 5.0e-4 | 8.6e1 | 1.3e-1 | 3.6e-1 | 5.3e-4 |
| 2.08 × 10−3 | 6.4e-1 | 9.6e-4 | 1.6e2 | 2.4e-1 | 6.9e-1 | 1.0e-3 | |
| 2.66 × 10−3 | 1.1e0 | 1.6e-3 | 2.7e2 | 4.0e-1 | 1.1e0 | 1.7e-3 | |
| T-1h | 4.46 × 10−3 | 1.9e-2 | 6.3e-5 | 6.6e0 | 2.2e-2 | 2.0e-2 | 6.4e-5 |
| 5.67 × 10−3 | 3.1e-2 | 1.0e-4 | 1.1e1 | 3.5e-2 | 3.2e-2 | 1.0e-4 | |
| 6.88 × 10−3 | 4.6e-2 | 1.5e-4 | 1.6e1 | 5.2e-2 | 4.7e-2 | 1.5e-4 | |
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