Open Access
Table 2.
Best six-parameter fit of a quasi-periodic GP model obtained in our analysis of the stellar activity from the SPIRou Bℓ data of the early-type M dwarfs in our sample.
| Star | Rotation period | Mean Bℓ | White noise | Amplitude | Decay time | Smoothing factor | rms |  |
Visits |
|---|---|---|---|---|---|---|---|---|---|
| Prot [d] | μ [G] | σ [G] | α [G] | l [d] | β | [G] | |||
| Priors | 𝒰(2, 300) | 𝒰(−∞, + ∞) | 𝒰(0, +∞) | 𝒰(0, +∞) | 𝒰(50, 1000) | 𝒰(0.25, 1.25) | |||
| Gl 846 |
 |
 |
 |
 |
 |
 |
6.1 | 1.05 | 188 |
| Gl 205 |
 |
 |
 |
 |
 |
 |
2.5 | 0.79 | 152 |
| Gl 410 |
 |
 |
 |
 |
 |
 |
7.6 | 0.86 | 126 |
| Gl 880 |
 |
 |
 |
 |
 |
 |
3.8 | 0.65 | 162 |
| Gl 514 |
 |
 |
 |
 |
 |
8.2 | 1.10 | 165 | |
| Gl 382 |
 |
 |
 |
 |
 |
6.7 | 1.11 | 114 |
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