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Fig. 2

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sdB hybrid pulsator TIC 169285097 (Gmag = 10.92) observed in Sector 2 by TESS. Panel 1 (top): original (DQUALITY = 0 datapoints) PDC-SAP light curve (blue) and light curve after the stellar oscillations were removed (red). Panel 2 (middle): injection-and-recovery test on the original light curve. Panel 3 (bottom): injection-and-recovery test on the processed light curve by FELIX. In panels 2 and 3, injected planets have radii in the range of 0.5–3.5 R (steps of 0.37 R) and orbital periods of 0.5–10 days (steps of 0.2 day). For each combination of radius and orbital period, we analysed four epochs (or phases), that is, each panel evaluates 760 scenarios computed with our tool MATRIX. Drops in detection at ~6, 8, and 10 days in period are target induced, probably due to noise correlation at these precise periods.

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