Table 2
Parameters in the MCMC.
Parameters | Units | Priors |
---|---|---|
R⋆ | (R⊙) | 𝒩 (0.943, 0.010)(a) |
M⋆ | (M⊙) | 𝒩(0.905, 0.015)(a) |
u0 | – | 𝒩(0.58128, 0.1)(b) |
u1 | – | 𝒩(0.13712, 0.1)(b) |
t0 | (BJD-T0 (c)) | 𝒩(0, 0.01) |
P | (days) | 0.73654737(d) |
b | – | 𝒩(0.39, 0.03)(d) |
Rp/R⋆ | – | 𝒰[0.00187, 0.187] |
δocc | (ppm) | 𝒰[−100, 100] |
A | (ppm) | 𝒰[0, 1000] |
ϕ | (rad) | 𝒰[−π, π](*) |
X | – | 𝒩(µH, σH) |
Hyperparameters | Units | Hyperpriors |
---|---|---|
µH | – | 𝒩(β, σ,β) |
σH | – | Expon(λ =1) |
Notes. 𝒩 and 𝒰 represent a normal and uniform distribution, respectively. Expon refers to the exponential distribution. T0 = 2458932.56284 BJD is a reference mid-transit time, β are the linear regression coefficients of the systematics basis vectors, and σβ its uncertainties. (*)For visits 5, 6, 13, 17, 21, 23, 24, 25, and 28, the range of the uniform distribution is [0, 2π] to avoid bimodal posterior distributions in the phase offset angle.
References. (a)von Braun et al. (2011). (b)Claret (2021). (c)Morris et al. (2021). (d)Bourrier et al. (2018a).
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