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Fig. 10

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Oxygen abundances of 12 + log (O/H) obtained with O3N2 for run1, and with R23 (M91) for run2, versus R/R25 in each galaxy. Dashed lines indicate the fits to all measured values, and solid lines show the best fits within the bulge region. For run1 galaxies, black lines indicate the N2 fit, cyan lines the O3N2 fit, and blue line the SB1 fit. For run2 galaxies, black lines show the R23 (M91) fit, blue lines the Z94 fit, green lines the KD03 fit, and red lines the P05 fit.

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