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Table A.1

Priors for the fit to TESS WASP-121 photometry, based on results from previous analysis by Delrez et al. 2016.

Parameter Symbol Prior Units
Orbital period P d
Transit epoch (BJDTDB −2 457 000) T0 BJDTDB
Planet-to-star radii ratio Rp∕R⋆
Scaled semi-major axis ap∕R⋆
Orbital inclination ip deg
Argument of periastron ω deg
Eccentricity e
Nightside temperature TN K
Sub-/anti-stellar points temperature contrast ΔTDN K
Radiative-to-advective timescale ratio ξ
Quadratic limb-darkening coefficients u1
u2
Flux scaling coefficient Cs

Notes. The notation correspond to a normal distribution of mean μ and variance σ2, while corresponds to a uniform distribution of lower bound a and higher bound b.

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