Open Access
Table 1
Main properties of known planets (either confirmed or validated) within the optimistic habitable zone around late K-dwarfs (3800 K < Teff < 4600 K) as of May 2022.
| Planet | Period (days) | Rp (R⊕) | Mp (M⊕) | Gmag (mag) | Teff (K) | Discovery ref. |
|---|---|---|---|---|---|---|
| HIP 12961 b | 57.435 | – | 114 ± 22 | 9.6 | 3901 | Forveille et al. (2011) |
| K2-3d | 44.55646 | - | 6.48 ± 0.93 | 11.4785 | 3896 | Crossfield et al. (2015) |
| Kepler-1086 с | 161.5163345 | 2.94 ± 0.11 | – | 15.56 | 4350 | Morton et al. (2016) |
| Kepler-1318 b | 213.257663 | 3.11 ± 0.17 | – | 15.24 | 4598 | Morton et al. (2016) |
| Kepler-1410 b | 60.866168 | 1.78 ± 0.12 | – | 15.95 | 4092 | Morton et al. (2016) |
| Kepler-1540 b | 125.4131177 | 2.49 ± 0.19 | – | 14.08 | 4540 | Morton et al. (2016) |
| Kepler-283 с | 92.743711 | 1.82 ± 0.12 | – | 15.88 | 4351 | Rowe et al. (2014) |
| Kepler-298 d | 77.473633 | 2.5 ± 0.2 | – | 15.42 | 4465 | Rowe et al. (2014) |
| Kepler-440 b | 101.11141 | 1.86 ± 0.24 | – | 15.11 | 4134 | Torres et al. (2015) |
| Kepler-442 b | 112.3053 | 1.34 ± 0.11 | – | 14.93 | 4402 | Torres et al. (2015) |
| Kepler-61 b | 59.87756 | 2.15 ± 0.13 | – | 15.04 | 4017 | Ballard et al. (2013) |
| Kepler-991 b | 82.5342519 | 2.54 ± 0.13 | – | 15.15 | 4392 | Morton et al. (2016) |
Notes. These planets are shown in Fig. 1.
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