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Fig. B.3
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Periodograms of the SPIRou activity indicators: FWHM, dLW, and chromatic velocity slope. The vertical dashed lines depict: in red, 6.02 days; in blue, the rotation period with its harmonic in green; in orange, the 18.7 days, and, in purple dots, 2.99 days. The horizontal dashed lines indicate the 1% and 0.1% FAP levels.
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