Table 2
Stellar parameters for the spectra shown in Fig. 2.
| Star | Type |  |
 |
HR(3) |  |
 |
|---|---|---|---|---|---|---|
| GJ 1214 | M4 V | 26.56 | 26.70 | 0.72 | 0.18(a) | 0.21(a) |
| GJ832 | M1.5 V | 27.49 | 27.60 | 0.76 | 0.44(b) | 0.44(b) |
| HD 85512 | K5 V | 27.94 | 28.60 | 0.22 | 0.69(b) | 0.69(b) |
| HD 40307 | K2.5 V | 28.39 | 29.25 | 0.14 | 0.79(b) | 0.72(b) |
| HD 97658 | K1 V | 28.51 | 29.85 | 0.046 | 0.85(c) | 0.73(c) |
| Sun | G2 V | 27.80 | 31.34 | 2.89 × 10−4 | 1 | 1 |
Notes. (1) Logarithm of ionizing (hv ≥ 13.6 eV) luminosity in erg s−1. (2) Logarithm of He I(23 S) ionizing (4.8 ≤ hv < 13.6 eV) luminosity in erg s−1. (3) Hardness ratio LXUV/LFUV. (4) Stellar mass in M⊙. (5) Stellar radius in R⊙.
References. (a) Cloutier et al. (2021); (b) Stassun et al. (2019); (c) Ellis et al. (2021).
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