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Table 1

Nominal parameterization of the planet–moon model to reproduce the transit shape suggested by Teachey et al. (2018).

Parameter Nominal value Description
rp 0.06 planet-to-star radius ratio
aB 0.9 au circumstellar semimajor axis of the planet–moon barycenter
b 0.1 planetary transit impact parameter
t0,B 61.51 d transit midpoint of the planet–moon barycenter
PB 287.35 d circumstellar orbital period of the planet–moon barycenter

R 1.8 R stellar radius
q1 0.6 first limb darkening coefficient
q2 0.2 second limb darkening coefficient

rs 0.02 moon-to-star radius ratio
as 1871 RJ orbital semimajor axis of the planet–moon binary
t0,s 1.86 d time of planet–moon conjunction

Notes. The no-moon model uses the same parameter set (excluding the moon parameters), except that R and aB are combined into a single parameter RaB.

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