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Table 10.
Best four-parameter fit of a quasi-periodic GP model obtained in our analysis of the stellar activity from the SPIRou Bℓ data of the M dwarfs in our sample without a clear periodic variation detection.
| Star | Mean Bℓ | White noise | Amplitude | rms |  |
Number of visits | Rotation period from literature | Reference |
|---|---|---|---|---|---|---|---|---|
| μ [G] | σ [G] | α [G] | [G] | Prot [d] | ||||
| Priors | 𝒰(−∞, + ∞) | 𝒰(0, +∞) | 𝒰(0, +∞) | |||||
| Gl 338B |
 |
 |
 |
4.4 | 1.03 | 58 | 16.66 | Sabotta et al. (2021) |
| Gl 617B |
 |
 |
 |
8.2 | 0.71 | 142 | ||
| Gl 412A |
 |
 |
 |
9.7 | 1.23 | 174 | 100.9 ± 0.3 | Suárez Mascareño et al. (2018) |
| Gl 480 |
 |
 |
 |
11.0 | 1.28 | 104 | ||
| Gl 436 |
 |
 |
 |
7.5 | 0.81 | 85 | 44.09 ± 0.08 | Bourrier et al. (2018) |
| Gl 408 |
 |
 |
 |
9.1 | 0.79 | 168 | ||
| Gl 317 |
 |
 |
 |
11.9 | 0.97 | 76 | ||
| GJ 4063 |
 |
 |
 |
11.4 | 0.96 | 204 | 40.2 ± 0.8 | Díez Alonso et al. (2019) |
| GJ 1012 |
 |
 |
 |
15.9 | 0.99 | 135 | ||
| GJ 1148 |
 |
 |
 |
13.9 | 0.81 | 101 | 71.5 ± 5.1 | Díez Alonso et al. (2019) |
| PM J08402+3127 |
 |
 |
 |
18.8 | 0.98 | 139 | 118 ± 14 | Díez Alonso et al. (2019) |
| Gl 725B |
 |
 |
 |
10.7 | 0.75 | 209 | ||
| GJ 1105 |
 |
 |
 |
13.5 | 0.93 | 161 | ||
| Gl 445 |
 |
 |
 |
17.4 | 0.97 | 90 | ||
| PM J21463+3813 |
 |
 |
 |
20.7 | 0.84 | 176 | ||
| Gl 447 |
 |
 |
 |
14.9 | 1.13 | 57 | 165.1 ± 0.8 | Suárez Mascareño et al. (2016) |
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