Authors: Kevin V. Croxall, Richard W. Pogge, Danielle A. Berg, Evan D. Skillman, and John Moustakas
2016 The Astrophysical Journal8304.
Provider: AAS Journals
Caption: Figure 10.
Ratio of Ne++/O++ as a function of the ionization fraction of oxygen, O+/O for H II regions in NGC 5457. We also include the ionization corrections fractions derived by Dors et al. (2013).