Abstract
Uncertainties of atomic data can compromise the interpretation of astronomical observations. Here, we discuss the case of low-temperature dielectronic recombination of iron ions in connection with X-ray spectra from active galactic nuclei, and we explain how new dielectronic recombination rate coefficients from storage-ring experiments have helped to remove previous inconsistencies in the astrophysical modeling of such spectra.
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Acknowledgements
We would like to thank our colleagues for fruitfully collaborating on the subject of the present review, in particular, Michael Lestinsky, Daniel Wolf Savin, Eike Schmidt, and Andreas Wolf. We thank Tim Kallman for providing his data in numerical form. Financial support by the Max-Planck-Society and the Deutsche Forschungsgemeinschaft is gratefully acknowledged.
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Müller, A., Schippers, S. (2012). Unravelling the Mysteries of Matter Surrounding Supermassive Black Holes. In: Shevelko, V., Tawara, H. (eds) Atomic Processes in Basic and Applied Physics. Springer Series on Atomic, Optical, and Plasma Physics, vol 68. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-25569-4_2
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