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Fig. 7

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Close-up of the region around He II (left side of each sub-figure) and around CIV (right side of each sub-figure) for each of the broad He II emitters. In the pairs of panels, the red line shows a Gaussian fit to either He II or CIV. When a single Gaussian is not enough to reproduce the CIV absorption, we add a second Gaussian in emission (shown in blue); the resulting profile, mimicking a P-Cygni profile, is shown in green. The number in the right-side panels is the ratio between the flux of the C IV component in emission and the flux of He II.

This figure is made of several images, please see below:

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