TESS light curve of HD 93963 A. In-transit data points of the 3.65 d and the 1.04 d candidate are marked in yellow and blue, respectively. Upper panel: PDC-SAP flux (grey) and detrending model (red), as obtained with citlalicue (Sect. 2.2). The arrows point to the repeated maxima we identified in the light curve: the purple arrows points to the maximum at ~1905 (BJD-2457000) and at its repetition at ~1918 (BJD-2457000). The green arrows point to the second maxima, that appears at ~1911 (BJD-2457000) and at ~1924 (BJD-2457000). Lower panel: detrended flux.