Table 6
Four runs with different GP priors done with juliet for modeling the activity of YZ Ceti.
| Run | Priors | σGP [m s−1 ] | αGP [10−4 d−2 ] | ΓGP [m s−1] | PGP [d] |  |
max |
eb |
|---|---|---|---|---|---|---|---|---|
| a | σGP:  |
 |
 |
 |
 |
 |
− 996.1 |  |
αGP:  |
[1.32, 2.01] | [0.003, 1930] | [0.0, 43.9] | [65.24, 70.00] | [0.00, 0.41] | |||
ΓGP:  |
||||||||
PGP:  |
||||||||
| b | σGP:  |
 |
 |
 |
 |
 |
− 997.4 |  |
αGP:  |
[1.09, 1.99] | [0.002, 0.942] | [3.2, 40.2] | [67.00, 69.98] | [0.00, 0.32] | |||
ΓGP:  |
||||||||
PGP:  |
||||||||
| c | σGP:  |
 |
 |
 |
 |
 |
− 997.2 |  |
αGP:  |
[1.04, 2.09] | [0.008, 0.094] | [2.4, 43.0] | [67.70, 68.71] | [0.00, 0.30] | |||
ΓGP:  |
||||||||
PGP:  |
||||||||
| d | σGP:  |
 |
 |
 |
 |
 |
− 995.4 |  |
αGP:  |
[1.31, 2.00] | [0.005, 1852] | [0.0, 45.5] | [66.72, 70.74] | [0.00, 0.40] | |||
ΓGP:  |
||||||||
PGP:  |
Notes. The prior labels 
and 
denote uniform and Jeffrey’s distributions. We also list the posteriors of the GP hyperparameters, the log evidence and maximum likelihood achieved by the sampling, and the median from the posterior of the eccentricity for the innermost planet. Error bars denote the 68% posterior credibility intervals. We report the 95% highest-density interval within square brackets.
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