Gas-phase Fe/O and Fe/N abundances in star-forming regions - Relations between nucleosynthesis, metallicity, and dust

Open Access

Fig. 3

Comparison between the Fe-ICF models of Izotov et al. (2006) and Rodríguez & Rubin (2005) in our adopted sample of star-forming nebulae. Both schemes were derived from photoionization models and are based on the determination of the ionic abundance of Fe²⁺.

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