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Fig. 5
Fraction of oxygen ionization states a) and nitrogen ionization states (b) and c)) versus X-ray luminosity flux, FX, for a dense WIM with n(e) = 10 cm-3 and Tk = 8000 K. Panel b) assumes the charge transfer rates of Lin et al. (2005) and panel c) those of Kingdon & Ferland (1996) – see text.
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