Fig. C.2.
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Diagram showing the metallicity ranges found in our sample using different methods throughout the paper. The green bar represents metallicity from X-ray/EUV models. Note that the X-ray/EUV method is limited to metallicities below 1 Z⊙. The pink bar shows pAGB stars results, the red bar indicates Te metallicities. The magenta bar shows LINER O3N2 measurements, while the gray bar correspond to results from HII O3N2 calibration.
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