Table 4
Mass- and composition-dependent comparison of tidal heating HT (listed together with quality factor Q and Love number k2), radiogenic heating HR (for case 3 in Table 3), and induction heating HI for a fast rotator and an inclination between the star’s magnetic field axis and the rotational axis of 60°.
| Mass | Fe | Q | k2 | HT | HT | HR | HR | HI | HI |
|---|---|---|---|---|---|---|---|---|---|
| (M⊕) | (wt%) | (1) | (1) | (TW) | (pW kg−1) | (TW) | (pW kg−1) | (TW) | (pW kg−1) |
| 1.27 | 20 | 72707.10 | 0.411 | 1.917 | 0.253 | 48.18 | 7.323 | 1.753/4.616 | 0.266/88.21 |
| 1.27 | 40 | 77407.14 | 0.477 | 1.604 | 0.212 | 36.13 | 7.323 | 1.345/3.534 | 0.273/74.11 |
| 1.27 | 60 | 84224.98 | 0.560 | 1.275 | 0.168 | 24.08 | 7.323 | 1.084/2.782 | 0.330/61.00 |
| 1.47 | 20 | 75420.58 | 0.450 | 2.488 | 0.283 | 55.78 | 7.323 | 1.890/5.085 | 0.248/92.94 |
| 1.47 | 40 | 80802.10 | 0.520 | 2.055 | 0.234 | 41.85 | 7.323 | 1.599/4.342 | 0.280/85.12 |
| 1.47 | 60 | 88567.72 | 0.606 | 1.609 | 0.183 | 27.90 | 7.323 | 1.300/3.409 | 0.341/68.04 |
| 1.80 | 20 | 79881.18 | 0.509 | 3.517 | 0.327 | 68.29 | 7.323 | 2.553/6.901 | 0.274/110.5 |
| 1.80 | 40 | 86336.61 | 0.583 | 2.854 | 0.266 | 51.19 | 7.323 | 2.008/5.320 | 0.287/93.38 |
| 1.80 | 60 | 95708.15 | 0.673 | 2.184 | 0.203 | 34.15 | 7.323 | 1.653/4.428 | 0.354/82.24 |
| 2.54 | 20 | 89804.02 | 0.618 | 6.089 | 0.401 | 96.34 | 7.323 | 3.782/10.39 | 0.287/140.9 |
| 2.54 | 40 | 98753.16 | 0.698 | 4.770 | 0.314 | 72.27 | 7.323 | 2.761/7.584 | 0.280/108.5 |
| 2.54 | 60 | 111671.00 | 0.791 | 3.506 | 0.231 | 48.18 | 7.323 | 2.364/6.476 | 0.359/98.97 |
Notes. Values are given as time-averaged total energy release in the planet in TW or as time- and mantle-averaged values in pW kg−1 (planet-averaged in the case of tidal heating). For induction heating, two values are given in the last two columns: the time- and mantle-averaged heating values as well as the maximal (local) value during fastest stellar rotation.
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