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Fig. 8

image

Comparison between oxygen abundances determined through different calibrations based on the slit spectra of H II regions in nearby galaxies, the fibre SDSS spectra (with lines from the SDSS-A and SDSS-B catalogues), and the MaNGA spaxel spectra. The symbols represent the mean values of the differences for objects in bins of 0.05 dex in O/H, and the bars show the scatter of differences in these bins.

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