Fig. 1

Photoionization cross section of the 3d64s2 a 5D ground term of neutral iron. The upper panel shows the current cross section (solid line) and those of Kelly (1972; dashed line), Verner et al. (1993; dotted line), and Reilman & Manson (1979; square dots). The lower panel shows the cross section of B97 instead of the present one.
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