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Table 3
System parameters.
| Parameter | Symbol | Unit | Value |
|
|
|||
| Model parameters: | |||
| Orbital period | P | d | 2.9036747 ± 0.0000068 |
| Epoch of mid-transit | T c | HJD, UTC | 2 455 738.84974 ± 0.00070 |
| Transit duration | T 14 | d | 0.2091 ± 0.0019 |
| Planet-to-star area ratio |  / |
... | 0.00443 ± 0.00015 |
| Transit impact parameter | b | ... | 0.39 ± 0.14 |
| Stellar orbital velocity semi-amplitude | K ∗ | km s-1 | 0.2361 ± 0.0037 |
| System velocity | γ | km s-1 | 7.7941 ± 0.0015 |
| Velocity offset between CORALIE and SOPHIE | γ COR−SOPH | m s-1 | 41.6 ± 1.6 |
| Stellar effective temperature | T ∗,eff | K | 6059 ± 98 |
| Stellar metallicity | [Fe/H] | dex | + 0.140 ± 0.080 |
| ... | km1/2 s−1/2 |
|
|
| ... | km1/2 s−1/2 | 1.08 ± 0.50 | |
| Derived parameters: | |||
| Ingress/egress duration | T12 = T34 | d | 0.0152 ± 0.0023 |
| Orbital inclination angle | i P | ° | 84.9 ± 2.2 |
| Orbital eccentricity (adopted) | e | ... | 0 |
| Orbital eccentricity (3-σ upper-limit) | ... | ... | 0.060 |
| Projected stellar rotation velocity† | vsini∗ | km s-1 | 9.89 ± 0.48 |
| Sky-projected obliquity | λ | ° | 20.1 ± 9.7 |
| Stellar mass | M ∗ | M ⊙ | 1.559 ± 0.070 |
| Stellar radius | R ∗ | R ⊙ | 2.26 ± 0.17 |
| log (stellar surface gravity) | log g∗ | (cgs) | 3.920 ± 0.050 |
| Stellar density | ρ ∗ | ρ ⊙ | 0.135 ± 0.024 |
| Planet mass | M P | M Jup | 2.242 ± 0.080 |
| Planet radius | R P | R Jup | 1.46 ± 0.13 |
| log (planet surface gravity) | log gP | (cgs) | 3.378 ± 0.059 |
| Planet density | ρ P | ρ J | 0.71 ± 0.16 |
| Scaled orbital major semi-axis | a/R∗ | ... | 4.39 ± 0.27 |
| Orbital major semi-axis | a | AU | 0.04619 ± 0.00069 |
| Planet equilibrium temperature (uniform heat redistribution) | T P,A = 0 | K | 2049 ± 73 |
Notes.
(†)
We impose a Bayesian prior of vsini∗ = 9.4 ± 0.5 km s-1 obtained from our spectral analysis (Sect. 3.1). The following constant values are used: AU = 1.49598 × 1011 m; R⊙ = 6.9599 × 108 m; M⊙ = 1.9892 × 1030 kg; RJup = 7.1492 × 107 m; MJup = 1.89896 × 1027 kg; ρJ = 1240.67 kg m-3.
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