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Table 5
Priors and outcomes of the model of planets b and c from analysing spectroscopic series with a multi-dimensional GP framework (Case 3).
| GP framework parameters | |||
|---|---|---|---|
| Parameter | Unit | Prior | Value |
Uncorrelated RV jitter  |
m s−1 | … |  |
RV offset  |
m s−1 | … |  |
Uncorrelated BIS jitter  |
m s−1 | … |  |
BIS offset  |
m s−1 | … |  |
Uncorrelated  |
… |  |
|
 |
… | −4.4137 ± 0.0030 | |
Uncorrelated Hα jitter  |
… | 0.0017 ± 0.0002 | |
Hα offset  |
… | 0.1513 ± 0.0004 | |
Uncorrelated FWHM jitter  |
km s−1 | … | 0.046 ± 0.004 |
FWHM offset  |
km s−1 | … | 11.37 ± 0.01 |
Uncorrelated WCCF jitter  |
km s−1 | … |  |
WCCF offset  |
km s−1 | … | 3.505+0.003 |
| Multidimensional GP parameters (Rajpaul et al. 2015) | |||
| Vc | m s−1 | 𝒰(−100.0, 100.0) |  |
| Vr | m s−1 | 𝒰(0.0, 100.0) |  |
| Bc | m s−1 | 𝒰(−100.0, 100.0) |  |
| Br | m s−1 | 𝒰(−100.0, 100.0) |  |
 |
𝒰(−0.1, 0.1) | −0 011 ± 0 002 | |
| L2c (Hα) | 𝒰(−0.1, 0.1) | −0.0015 ± 0.0003 | |
| L3c (FWHM) | km s−1 | 𝒰(−0.5, 0.5) |  |
| L4c (WCCF) | km s−1 | 𝒰(−0.02, 0.02) | −0.014 ± 0.002 |
| Stellar activity (RV + activity indexes) | |||
| Parameter | Unit | Prior | Value |
| Rotational period (Prot) | days | 𝒩(7.34, 0.15) | 7.37 ± 0.03 |
| Decay Timescale of activity (Pdec) | days | 𝒰(10.0, 2000.0) |  |
| Coherence scale (w) | 𝒰(0.01, 0.60) | 0.36 ± 0.03 | |
| Planet b | |||
| Parameter | Unit | Prior | Value |
| Orbital period (Pb) | days | 𝒩 (10.590547, 0.000012) | 10.590547 ± 0.000012 |
| Central time of the first transit (T0,b) | BTJD | 𝒩 (2616.49232, 0.00022) | 2616.49232 ± 0.00022 |
| Orbital eccentricity (eb) | 𝒩 (0.00, 0.098) | ⩽ 0.13 | |
| Argument of periastron (ωb) | deg | … |  |
| Semi-major axis to stellar radius ratio (ab/R⋆) | … | 20.2 ± 0.3 | |
| Orbital semi-major axis (ab) | au | … | 0.0988 ± 0.0004 |
| RV semi-amplitude (Kb) | m s−1 | 𝒰 (0.01, 100.0) |  |
| Planetary mass (Mp,b) | M⊕ | … |  |
| Planet c | |||
| Parameter | Unit | Prior | Value |
| Orbital period (Pc) | days | 𝒩 (4.77271, 0.00016) | 4.77270 ± 0.00016 |
| Central time of the first transit (T0c) | BTJD | 𝒩 (2628.6178, 0.0009) | 2628.6178 ± 0.0009 |
| Orbital eccentricity (ec) | 𝒩 (0.00, 0.098) | ⩽0.14 | |
| Argument of periastron (ωc) | deg | … |  |
| Semi-major axis to stellar radius ratio (ac/R⋆) | … | 11.9 ± 0.2 | |
| Orbital semi-major axis (ac) | au | … | 0.0581 ± 0.0002 |
| RV semi-amplitude (Kc) | m s−1 | 𝒰 (0.01, 100.0) |  |
| Planetary mass (Mp,c) | M⊕ | … |  |
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