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Fig. 3.

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TTV diagrams of AU Mic b (upper panel) calculated with Tc = 2 458 330.38416 and Pmean = 8.4631427 d, and AU Mic c (lower panel) calculated with Tc = 9454.8973 and Pmean = 18.85882 d. We included TESS (red symbols), Spitzer (blue symbols), and CHEOPS (black symbols) measurements. The harmonic fit to AU Mic b data illustrates the most probable shape of a periodic TTV fitted to the data. This is shown to illustrate the trend of the distribution without any dynamical interpretation.

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