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Table 2
Normalized Lyα and X-ray fluxes of M dwarfs.
Star | Sp. T. | log RLyα | log RX(*) | σLX (dex) | N X |
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Lyα from HST | |||||
Proxima Cen | M6v | −3.88 | −3.58 | 0.31† | 10 |
AD Leo | M4.5v | −3.50 | −3.12 | 0.12† | 6 |
EV Lac | M3.5v | −3.77 | −2.70 | 0.41† | 8 |
AU Mic | M1v | −3.51 | −2.97 | 0.15† | 3 |
GJ 436 | M2.5v | −4.60 | −4.87 | 0.77§ | 3 |
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Lyα from IUE | |||||
AX Mic | M0v | −4.22 | −5.29 | 0.14† | 3 |
DT Vir | M2v | −3.27 | −3.15 | 0.41†,‡ | 5 |
GJ 887 | M2v | −4.05 | −5.13 | 0.15† | 2 |
GJ 411 | M2v | −4.44 | −5.05 | 0.35† | 4 |
AD Leo | M4.5v | −3.58 | −3.12 | 0.12† | 6 |
EV Lac | M3.5v | −2.74 | −2.70 | 0.41† | 8 |
YZ CMi | M4.5v | −3.21 | −3.06 | 0.03†,‡ | 2 |
V1216 Sgr | M3v | −3.34 | −4.13 | 1.10†,‡ | 3 |
V998 Ori | M3.5v | −2.95 | −3.08 | 0.18† | 2 |
Proxima Cen | M6v | −3.58 | −3.58 | 0.31† | 10 |
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