Fig. 9
Differences between the oxygen abundances obtained with the different methods versus the galactocentric radius for each galaxy. R25 has been taken from HyperLeda. Residuals are with respect to R23 (M91) for run2 galaxies and to N2 for run1 galaxies. Crosses are oxygen abundances obtained from the O2Ne3 calibration, triangles from R23 (Z94), circles from KD03, squares from P05, diamonds from O3N2, and asterisks from SB1.
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