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Table 2
Priors and best-fit results for the Gaussian process regression analysis of the chromospheric activity indicators extracted from the HARPS-N spectra of Gl15A.
| Jump parameter | Prior | Best-fit value | |
|---|---|---|---|
| CaII H&K | Hα | ||
| h |  (0,0.5) |
0.0020 ± 0.0002 | (7.1 ± 0.6) × 10−4 |
| λ [days] |  (0,10 000) |
62 |
90 ± 18 |
| w |  (0,1) |
0.068 |
0.070 ± 0.006 |
| θ [days] |  |
44.7 |
49.3 ± 0.2 |
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