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CHAOS. III. GAS-PHASE ABUNDANCES IN NGC 5457

  • Authors: Kevin V. Croxall, Richard W. Pogge, Danielle A. Berg, Evan D. Skillman, and John Moustakas

2016 The Astrophysical Journal 830 4.

  • Provider: AAS Journals

Caption: Figure 12.

Left: the ratio of Ar++/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 fraction derived by Thuan et al. (1995). Right: the ratio of Ar++/O++ as a function of the ionization fraction of oxygen.

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