Table 1 M-dwarf orbiting, potentially habitable planets with Teq < 273 K
From: Liquid water on cold exo-Earths via basal melting of ice sheets
Exoplanet | Teq (K) | Surface gravity (m s−2) | MEarth | REarth | GEL of H2O* (km) | Age of the star (Gyr)Reference | |
|---|---|---|---|---|---|---|---|
Reference | Earth | 255 | 9.81 | 1 | 1 | 4.5 | 4.6 |
1 | Proxima Cen b | 257 | 10.6 | 1.27 | 1.08 | 6.36 | \({4.8}_{-1.4}^{+1.1}\)79 |
2 | GJ 1061 d | 247 | 12.14 | 1.64 | 1.15 | 7.24 | \({7}_{-0.5}^{+0.5}\)80 |
3 | TRAPPIST-1 e | 258 | 7.98 | 0.69 | 0.92 | 4.76 | \({7.6}_{-2.2}^{+2.2}\)59 |
4 | Kepler-442 b | 263 | 12.68 | 2.36 | 1.35 | 7.56 | \({2.9}_{-0.2}^{+8.1}\)81 |
5 | GJ 667 C f | 249 | 11.82 | 2.54 | 1.45 | 7.05 | \({3.5}_{-1.5}^{+1.5}\)82 |
6 | TRAPPIST-1 f | 225 | 9.41 | 1.04 | 1.04 | 5.61 | \({7.6}_{-2.2}^{+2.2}\)59 |
7 | Teegarden’s Star c | 225 | 10.04 | 1.11 | 1.04 | 5.99 | \({7}_{-3}^{+3}\)83 |
8 | Kepler-1229 b | 217 | 12.68 | 2.54 | 1.4 | 7.56 | \({1.2}_{-0.3}^{+0.7}\)84 |
9 | Kepler-186 f | 212 | 12.23 | 1.71 | 1.17 | 7.29 | \({4.0}_{-0.6}^{+0.6}\)81 |
10 | GJ 667 C e | 213 | 11.82 | 2.54 | 1.45 | 7.05 | \({3.5}_{-1.5}^{+1.5}\)82 |
11 | TRAPPIST-1 g | 204 | 10.12 | 1.32 | 1.13 | 6.03 | \({7.6}_{-2.2}^{+2.2}\)59 |
12 | LHS 1140 b | 235 | 23.22 | 6.38 | 1.64 | 13.85 | \({5}_{-0}^{+2.4}\)85 |
