Fig. 10.
Local metallicity at the outskirts of galaxies as a function of the global H I mass fraction. Circles show the global H I mass fraction as a function of metallicity measurements outside of 0.7r90, r. The data points are colour coded according to their galactocentric radius normalised by r90, r. We note that some galaxies have multiple metallicity measurements outside of 0.7r90, r and would thus appear multiple times. The number in the lower left corner provides the Spearman correlation coefficient.
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