Analysis of the bisector inverse span (panels on the left side) and the index (panels on the right side). Upper panels: the indicators as a function of time, the seasonal medians with the first and third quartiles indicated in red. Middle panels: GLS periodograms of the indexes, the rotational period of the star is indicated with a red vertical line. The 1% and 0.1% FAP levels are displayed as dashed and dotted horizontal lines, respectively. Lower panels: indicators as a function of RV, after removing the signal of Pr 0211b. The best fit is represented by the dashed red line