Fig. 13
Maps of total O/H+ using the ionisation correction factors to account for the presence of O+++ as provided by Torres-Peimbert & Peimbert (1977) (left), Kingsburgh & Barlow (1994) (centre), and Delgado-Inglada et al. (2014) (right). All the three maps display the same range in abundance in order to better compare the different ionisation correction schemes.
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