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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.

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