Table 3
Global priors and best-fit values for the model and detrending parameters as described in Sect. 3, along with the derived parameters.
| Parameter | Unit | Prior | Best-fit value | |
|---|---|---|---|---|
| Global | ||||
| Fitted parameters | ||||
| Period | P | days | N(1.4811235,0.0000011)(a) | 1.48111949 ± 0.00000034 |
| Transit duration | T14 | days | U(0.13,0.2)(a) |  |
| Impact parameter | b | N(0.168,0.017) (b) |  |
|
| Sky-projected spin orbit angle | λ | deg | N(−85.78,0.46) (b) |  |
| Gravity-darkening coefficient | β | U(0.01, ∞), N(0.237,0.01) (d) |  |
|
| GP periodic timescale(*) (SHO) | ρSHO | days | U(0.2, 0.4) |  |
| Stellar inclination | i(*) | deg | U(0,180) | 47.1 ± 1.1 |
| Derived parameters | ||||
| Semi major axis | a | R* |  |
|
| Orbital inclination | i | deg |  |
|
| Stellar density | ρ | g cm−3 | N(0.256,0.33)(c) |  |
| GP damping timescale(*) (SHO) | τSHO | days |  |
|
| Stellar rotational period | Prot | hrs | U(4.61, ∞) (e) | 18.96 ± 0.34 |
| True spin orbit angle | Ψ | deg |  |
|
| Fixed parameters | Source | Value | ||
| Stellar radius | R* | R⊙ | This work (Sect. 2.4) | 2.379 |
| Effective/polar stellar temperature | Teff | K | Gaudi et al. (2017) | 10170 |
| Projected rotational velocity | v sin i(*) | km s−1 | Borsa et al. (2019) | 111.8 |
| Eccentricity | e | assumed | 0 | |
| Argument of periastron | ω | deg | assumed | 90 |
| Fluid number | α | Morris et al. (2022) | 0.6 | |
| Drag frequency | ωdrag | Morris et al. (2022) | 4.5 | |
| Highest present spherical mode | lmax | Morris et al. (2022) | 1 | |
| GPAmplitude(*) (SHO) | σSHO | ppm | 100 | |
| GP Amplitude(*) (Matérn) | σMatern | ppm | 200 | |
| GP timescale(*) (Matérn) | ρMatern | days | 12 |
Notes. The reported errors are the 16th and 84th percentile interval for every parameter. (*) is for parameters that are only shared between CHEOPS and TESS. Priors based on previous results from (a)Wong et al. (2020), (b)Borsa et al. (2019), (c)this work (see Sect. 2.4),(d)Claret (2016),(e)restricted by break-up velocity.
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