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Fig. 2


Fractional ionization state of C+ to C4+ versus X-ray luminosity flux, FX, for n(e) = 0.01 cm-3(top), 1.0 cm-3(middle), and 10.0 cm-3(bottom) at Tkin = 8000 K, assuming a fully ionized region (n(H) = n(H2) = 0 cm-3).

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