Fig. 7.
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O++ and O+ ionic abundances as a function of metallicity measured from the Pettini & Pagel (2004) O3N2 calibration. Our measurements of MaNGA data are compared to ionic abundances that are reproduced by employing the emission line fluxes reported in Guseva et al. (2011), Curti et al. (2017), and Berg et al. (2020). The ionic abundances, global and radially binned, are available online (see Tables B.5 and B.6).
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