Fig. 9.

Metallicity – gas mass relation of SF dwarfs. The dashed line fits dwarfs located in the LV and Virgo cluster, most having precise Te oxygen abundance (Vaduvescu et al. 2007). The few TNG targets from A1367 and Hercules with available HI gas masses match this linear relation at the massive end. The cross in the upper left shows typical uncertainties in the two parameters.
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