Fig. 2
Left panels: profiles of several emission lines, including Hα, CaII K and H, NaI D2 and D1, He5876, and He4026 at the three dates of minimum activity of Proxima Cen: BJD = 8021.4600 (red), 8023.4639 (green), and 8027.4785 (blue). These dates are marked with letter “A” in Fig. 1. Right panels: same lines at the dates of maximum of activity of Proxima Cen, i.e. BDJ = 7465.8823 (B; black), 3202.5647 (C; cyan), 5647.7300 (D; magenta) displayed in Fig. 1.
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