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Fig. 1


Largest Hα flare (black) in our CARMENES data. These ten spectra were taken between 2017-10-26 and 2017-11-01. The vertical line marks Hα at rest wavelength (λvac = 6564.61Å, grey dotted) and at a shift of γ = +68.375 km s−1 (grey dashed).

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