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Fig. 7.
Ionization state of iron and oxygen across the corona for τcor = 20 and χ = 0.753 (top) and 1.35 (bottom). The other parameters are fixed to Tbb = 105 K, ξ0 = 103 erg s−1 cm, and nH = 1012 cm−3. We note that for χ = 1.350, oxygen is fully ionized throughout the entire corona.
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