Fig. A.1

continued. Here and in the following panels, the Sn abundance is set to the value matching the Sn iv lines. Nickel was included at the abundance determined by the Ni iii lines, thus the Ni ii lines appear too strong and were excluded from the fits (see Sect. 4.3.4). The broad feature at around 1345 Å is an artifact (blemish) from the STIS detector.
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