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Table A.3

List of free parameters used in the PASTIS analysis of the light curves, radial velocities and SED with their associated prior and posterior distribution.

Parameter Prior Posterior

Orbital parameters
Orbital period P [d] 13.86375 ± 2.6 × 10-4
Epoch of first transit T0 [BJDTDB] – 2.45 × 106 7275.32991 ±6.3 × 10-4
Orbital eccentricity e β(0.867;3.03) 0.091 ± 0.089
Argument of periastron ω [°] 90
Inclination i [°] 89.35

Planetary parameters
Radial velocity amplitude K [m s-1] 5.5 ± 1.1
Planet-to-star radius ratio kr 0.0333 ±6.6 × 10-4

Stellar parameters
Effective temperature Teff [K] 5010 ± 50
Surface gravity log g [g cm-2] 4.60 ± 0.03
Iron abundance [Fe/H] [dex] –0.34 ± 0.03
Reddening E(BV) [mag] 0.019
Systemic radial velocity υ0 [km s-1] –21.6331 ± 9 × 10-4
Distance to Earth d [pc] 118.0 ± 3.6

Instrumental parameters
HARPS radial velocity jitter [m s-1] 3.1 ± 1.0
HARPS-N radial velocity jitter [m s-1] 3.2 ± 2.3
HARPS – HARPS-N radial velocity offset [m s-1] –4.2 ± 1.8
SED jitter [mag] 0.021 ± 0.019
K2 jitter [ppm] 41.2 ± 4.6
K2 contamination [ppt] 3.4

Notes. is a normal distribution with mean μ and width σ2, is a uniform distribution between a and b, is a normal distribution with mean μ and width σ2 multiplied with a uniform distribution between a and b, is a sine distribution between a and b, β(a;b) is a Beta distribution with parameters a and b, and is a power-law distribution of exponent n between a and b. The choice of prior for the orbital eccentricity is described in Kipping (2013).

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