Fig. A.2

Top: extrapolation of the planets semi-major axis until 2550 for the best model in red (Kepler-9b) and blue (Kepler-9c) and in grey areas the 99.74% confidence interval of 1000 randomly chosen good models for the different data sets. From light to dark grey: modelling of data sets I, II, and III. Second from top: extrapolation of the planets’ eccentricity. Third from top: extrapolation of the planets inclination. Fourth from top: extrapolation of the calculated impact parameter. Bottom: extrapolation of the calculated transit duration.
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