Fig. 14.
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Top, from left to right: relation between intensity ratios CIV/HeIIλ1640, AlIII/HeIIλ1640 and CIV/HeIIλ1640 BC computed with specfit and with profile ratio technique described in Sect. 5.1.1. Bottom: comparison of intensity ratios for (SiIV + OIV]])/HeIIλ1640 for the BLUE component. Sources with the largest discrepancy from the equality line are identified.
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