Soft X-Ray Absorption by Fe to Fe in Active Galactic Nuclei

Abstract

A full set of calculations is presented for inner-shell n = 2 to 3 photoexcitation of the 16 iron charge states: Fe (Fe I) through Fe (Fe XVI). The blend of the numerous absorption lines arising from these excitations (mainly 2p 3d) forms an unresolved transition array (UTA), which has been recently identified as a prominent feature between 16 17 Å in the… (More)

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