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Table 3
Stars with X-ray activity level and derived rotation periods.
| Name | Spectral typea | Teff | log Lx | log Lx∕Lbol | Derived Prot |
|---|---|---|---|---|---|
| (K) | (erg s−1) | (days) | |||
| TYC 2710-691-1 | −0.5 | 3867 ± 71 | 28.89 ± 0.12 | − 3.61 ± 0.15 | 34.0 ± 6.0 |
| GJ 9793 | 0.0 | 3881 ± 70 | 28.80 ± 0.18 | − 3.82 ± 0.24 | 15.0 ± 3.0 |
| NLTT 53166 | 0.0 | 3832 ± 70 | 28.58 ± 0.08 | − 3.80 ± 0.12 | 55.0 ± 9.0 |
| TYC 3720-426-1 | 0.0 | 3822 ± 70 | 29.18 ± 0.08 | − 3.29 ± 0.17 | 8.0 ± 1.0 |
| GJ 272 | 1.0 | 3747 ± 68 | 27.50 ± 0.21 | − 4.71 ± 0.23 | 41.0 ± 7.0 |
| GJ 895 | 1.5 | 3748 ± 68 | 27.20 ± 0.21 | − 5.07 ± 0.23 | 24.0 ± 5.0 |
| GJ 3014 | 1.5 | 3695 ± 69 | 27.95 ± 0.11 | − 4.20 ± 0.15 | 24.0 ± 5.0 |
| GJ 414B | 2.0 | 3661 ± 68 | 27.52 ± 0.23 | − 4.65 ± 0.24 | 62.0 ± 10.0 |
| GJ 3117A | 2.5 | 3549 ± 68 | 27.23 ± 0.19 | − 4.78 ± 0.21 | 22.0 ± 4.0 |
| GJ 70 | 2.5 | 3511 ± 68 | 27.41 ± 0.03 | − 4.46 ± 0.14 | 46.0 ± 8.0 |
| GJ 26 | 2.5 | 3484 ± 68 | 27.18 ± 0.17 | − 4.66 ± 0.23 | 27.0 ± 5.0 |
| GJ 408 | 2.5 | 3472 ± 68 | 26.93 ± 0.21 | − 4.86 ± 0.26 | 58.0 ± 10.0 |
| GJ 2128 | 2.5 | 3518 ± 68 | 27.60 ± 0.18 | − 4.21 ± 0.24 | 85.0 ± 15.0 |
| GJ 793 | 3.0 | 3461 ± 68 | 27.77 ± 0.03 | − 3.99 ± 0.18 | 34.0 ± 6.0 |
Notes. Rotation values are from Suárez Mascareño et al. (2018), while Lx and Lbol values are computed in this work. (a)Spectral type = − 0.5–3.0 corresponds to K7.5–M3.0 spectral types.
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