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Fig. 8.

Fig. 8. Refer to the following caption and surrounding text.

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Relationship between log λL5100 and the width of the Fe II lines. In panel (a), red points mark objects in which the combined contribution of Fe IIincons and Fe IIILR exceeds 40 % of the total Fe II flux, whereas blue points denote sources in which this contribution falls below the same threshold. The distribution of objects with REdd smaller and larger than 0.2 is shown in panel (b).

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