Fig. 6.

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Carbon ionization equilibria including only ionization and recombination from/to excited levels, i.e., without DR suppression or photoionization, calculated for Log(ne/cm−3) = 7 (full lines), 9 (dashed lines), and 11 (dot-dashed lines), and for kappa distributions with κ = 2, 5, 10, and Maxwellian distribution. The different colours correspond to different ions.
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