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Table A.5

Inferred and derived parameters from the light-curve analysis (Sect. 4.1) for the one-planet model.

Parameter Priors Posteriors
Planet modeled parameters

Orbital period, Pb [days] 𝒢(1.8237371,0.0001) 1.8237306 ± 0.0000021
Time of mid-transit, T0,b −2400000 [days] 𝒢(59248.377773,0.1)
Orbital inclination, ib [deg.] 𝒰(40.0,90.0)
Planet radius, Rb [R] 𝒰(0.0,20.0)
Transit depth, Δb [ppt] (derived)
Orbit semi-major axis, ab [AU] (derived)
Relative orbital separation, ab/R (derived)
Transit duration, T14,b [hours] (derived)
Impact parameter, bb/R (derived)
Incident flux, Finc,b [Finc,⊕] (derived)

Stellar parameters

Stellar radius, R [R] 𝒯(0.671,0.015,0.1,1.2)
Stellar mass, M [M] 𝒯(0.734,0.014,0.1,1.2)
Stellar luminosity, L [L] (derived)
Limb-darkening u1, LCOHAL_gp 𝒯(0.592,0.05,0,1)
Limb-darkening u2, LCOHAL_gp 𝒯(0.141,0.05,0,1)
Limb-darkening u1, LCOHAL_ip 𝒯(0.539,0.05,0,1)
Limb-darkening u2, LCOHAL_ip 𝒯(0.155,0.05,0,1)
Limb-darkening u1, LCOHAL_rp 𝒯(0.7,0.05,0,1)
Limb-darkening u2, LCOHAL_rp 𝒯(0.078,0.05,0,1)
Limb-darkening u1, LCOHAL_zs 𝒯(0.416,0.05,0,1)
Limb-darkening u2, LCOHAL_zs 𝒯(0.195,0.05,0,1)
Limb-darkening u1, MEarth 𝒯(0.416,0.1,0,1)

Instrument-dependent parameters

LC level TESS07 𝒰(-20,20)
LC level TESS34 𝒰(-20,20)
LC level LCOHAL_gp 𝒰(-20,20)
LC level LCOHAL_ip 𝒰(-20,20)
LC level LCOHAL_rp 𝒰(-20,20)
LC level LCOHAL_zs 𝒰(-20,20)
LC level MEarth 𝒰(-200,200)
LC jitter TESS07 [ppm] 𝒰(0,4000)
LC jitter TESS34 [ppm] 𝒰(0,4000)
LC jitter LCOHAL_gp [ppm] 𝒰(0,4000)
LC jitter LCOHAL_ip [ppm] 𝒰(0,4000)
LC jitter LCOHAL_rp [ppm] 𝒰(0,4000)
LC jitter LCOHAL_zs [ppm] 𝒰(0,4000)
LC jitter MEarth [ppm] 𝒰(0,4000)

GP parameters

ησ,LC [ppm] ℒ𝒰(0.01,10000)
ηQ0 𝒰(-8.0,10)
ηρ [days] 𝒢(24.0,1)
ηδQ 𝒰(0.13,7.38)
ηf 𝒰(0,1)

Notes: 𝒢(µ, σ): Normal distribution with mean µ and width σ. 𝒰(a, b): Uniform distribution between a and b.

ℒ𝒰(a, b): Log-uniform distribution between a and b. 𝒯(µ, σ, a, b): Truncated normal distribution with mean µ and width σ, between a and b.

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