CHEOPS observations of KELT-20 b/MASCARA-2 b: An aligned orbit and signs of variability from a reflective day side

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Table 4

KELT-20 b atmospheric retrieval.

Parameter	Priors	Retrieved without TESS	Retrieved with TESS
log₁₀(κ′)	𝒰(−8, −1)
log₁₀(γ)	𝒰 (−4, 2)
T_irr (K)	𝒰 (1000, 3500)
[M/H]	𝒰(−2, 2)
[C/H]	𝒰 (−2, 2)
[O/H]	𝒰 (−2, 2)

Notes. The reported values and uncertainties correspond to the median and 68% quantile of the marginal posterior distributions, respectively.

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