Fig. 6.
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Relative gas-phase Fe, O, and N abundance patterns. The position of M4327 in the log(Fe/O) vs 12+log(O/H) (left panel) and log(Fe/N) vs 12+log(N/H) (right panel) diagrams is compared with the distribution of local star-forming nebulae from the DESIRED project Méndez-Delgado et al. (2024), star-forming galaxies hosting WR features (López-Sánchez & Esteban 2010), extremely metal-poor galaxies with signatures of WR activity (J1205+4551, Izotov et al. 2017; J0811+4730, Izotov et al. 2018; J1631+4426, Kojima et al. 2021), and with the Sunburst Arc at z ∼ 2.37 (Rivera-Thorsen et al. 2024). Notably, almost all galaxies with WR signatures are characterized by an Fe-enhancement in the gas-phase compared to the average trend of local nebulae.
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