Fig. A.1

Relative percentage increase of the integrated line fluxes of Hnα RLs compared to the H23α, ΔS, for four components: the blue and red main laser peaks (blue and red thin lines), and the two new blueshifted components with respect to the blue and red laser peaks (magenta and green thick lines). In the upper right corner we show the radial velocity ranges (in units of km s-1) integrated within each component.
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