Fig. 1
Upper panel: periodogram derived from the ASAS database for Proxima Centauri second aperture, binned to 1 day. Lower panel: periodogram derived from the HST data discussed in Benedict et al. (1998). FAP values for the strongest peaks were calculated and are shown as the dotted lines. Both periodograms are computed using the using the Numerical Recipes Lomb-Scargle routine.
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