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Comment on "Large Enhancement in High-Energy Photoionization of Fe XVII and Missing Continuum Plasma Opacity"

Blancard, C.; Colgan, J.; Cosse, Ph; Faussurier, G.; Fontes, C.J.; Gilleron, F.; Golovkin, I.; Hansen, Stephanie B.; Iglesias, C.A.; Kilcrease, D.P.; Macfarlane, J.J.; Pain, J.C.; Sherrill, M.; Wilson, B.G.

Recent R-matrix calculations claim to provide a significant enhancement in the opacity of Fe XVII due to atomic core excitations and assert that this enhancement is consistent with recent measurements of higher-than-predicted iron opacities. Here this comment shows that the standard opacity models which have already been directly compared with experimental data produce photon absorption cross-sections for Fe XVII that are effectively equivalent to the R-matrix opacities reported in.