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Table 2
Coldest M dwarf hosts with measured Ly-α flux.
| Star | Type | Teff | FLyα |
| (K) | (erg s-1 cm-2) | ||
|
|
|||
| TRAPPIST-1 | M8 | 2550 ± 55[1] | 0.05 |
| GJ 1214 | M4.5 | 2935 ± 100[2] | 0.12 |
| Proxima Cen | M5.5 | 3050 ± 100[4] | 0.30 ± 0.06[5] |
| GJ 876 | M5 | 3062 ± 130[2] | 0.37 ± 0.04[3] |
Notes. Fluxes are given at 1 au from the stars.
Reference. [1]Gillon et al. (2016); [2]Loyd et al. (2016); [3] Youngblood et al. (2016); [4]Anglada-Escudé et al. (2016); [5]Wood et al. (2005).
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