Fig. E.2
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Spectroscopic analysis of HD 112863 A using the Hα chromospheric index. Top: Measured Hα chromospheric index of the host star HD 112863 as a function of time. Bottom: Corresponding Lomb-Scargle periodogram. The two black horizontal lines show the 1% (bottom) and the 0.1% (top) FAPs and demonstrate that there are no significant periodic signals in the Hα chromospheric indicator.
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