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astro-ph2003
The ionization equilibrium of iron in H II regions
M. Rodriguez, R. H. Rubin
We study the ionization equilibrium of Fe using photoionization models that incorporate improved values for the ionization and recombination cross-sections and the charge-exchange…
astro-ph1999
Fluorescence of [Fe II] in H II regions
M. Rodriguez
A study of [Fe II] lines at various positions within the H II regions M42 and M43 is presented. The relative intensities of selected optical [Fe II] lines are shown to be correlate…