Fig. 4.

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Different predictions from the simplest harmonic TTV models to the 2022 opposition (colored curves) and the previously published linear ephemeris (gray dotted line). The colored curves fit equally well to all data points (see Table A.4 for their coefficients). Transits in 2022 August are expected to occur 40−85 min later than predictions prior to the CHEOPS 2021 observations.
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