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Table H.1

Priors for the joint modeling of RV and photometric data with juliet in Sect. 7

Parameter prior description
Stellar parameters:
ρ* (kg/m3) 𝒩 (479.768,40) Stellar density
Planet parameters
P (d) 𝒰(135,155) Period of HD88986 b
Tc-2400000 (d) 𝒩(2458891.6,5) Center of the transit time for HD88986 b
K (m s−1) 𝒰(0, 10) RV semi-amplitude forHD88986 b
e 𝒰(0, 0.9) Eccentricity
ω (°) 𝒰(0, 360) Argument of periastron
b 𝒰(0, 1) Transit impact parameter
RP/R* 𝒰(0,1) Planet-to-star radius ratio
Drift on SHOPHIE+:
A (m s−1) 𝒰(−5,5) Linear RV drift
Q (m s−1) 𝒰(−5,5) Quadratic RV drift
QP-GP on SOPHIE+:
BGP (m s−1) 𝒥(10−5,100) Amplitude of the GP kernel
CGP (m s−1) 10−20 (fixed) Constant scaling term of the GP kernel
Prot (d) 𝒩(29, 3) Rotation period of the GP kernel
LGP (d) 𝒥 (10−20,300) Correlation time-scale of the GP kernel
SOPHIE instrumental Parameters:
σS OPHIE+ (m s−1) log 𝒰(1e − 3,100.) RV jitter
muS OPHIE+ (m s−1) 𝒰(28995,29196) Instrumental offset
TESS instrumental parameters:
DTESS 1.0 (fixed) Dilution factor
MTESS 𝒩(0.,1) Relative flux offset
σTESS log 𝒰(0.1,1000.) Extra jitter term
q 𝒰(0,1) Linear limb-darkening

Notes. The prior labels of 𝒩, 𝒰, log 𝒰 indicate normal, uniform, and uniform logarithms of distributions.

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