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Table 8

Best-fitted solution for the planetary system orbiting HD 31527.

Param. Units HD31527b HD31527c HD31527d
P (d) 16.5535 51.2053 271.6737
K (m s−1) 2.72 2.51 1.25
e 0.10 0.04 0.24
ω (deg) 41.12 −23.25 179.00
TP (d) 55499.5453 55526.3434 55718.8091
TC (d) 55501.4585 55542.0635 55670.8324

Ar (AU) 0.1254 0.2663 0.8098
M. sini (MJup) 0.0329 0.0445 0.0372
M. sini (MEarth) 10.47 14.16 11.82

γHARPS (m s−1) 25739.7025
σ(OC) (m s−1) 1.41
log(Post) −439.4138

Notes. For each parameter, the median of the posterior distribution is considered, with error bars computed from the MCMC chains using a 68.3 % confidence interval. σOC corresponds to the weighted standard deviation of the residuals around the best solution. All the parameters probeb by the MCMC can be found in Table B.5.

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