Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001mnras.328..442m&link_type=abstract
Monthly Notices of the Royal Astronomical Society, Volume 328, Issue 2, pp. 442-450.
Astronomy and Astrophysics
Astronomy
Atomic Processes, Plasmas, Radiation Mechanisms: Non-Thermal, Methods: Analytical, X-Rays: General
Scientific paper
Photoionization cross-sections out of the fine-structure levels (2s22p4 3P2,0,1) of the O-like Fe ion FeXIX have been reinvestigated. Data for photoionization out of each of these fine-structure levels have been obtained, where the calculations have been performed with and without the inclusion of radiation damping on the resonance structure in order to assess the importance of this process. Recombination rate coefficients are determined using the Milne relation, for the case of an electron recombining with N-like Fe ions (FeXX) in the ground state to form O-like Fe (FeXIX) existing in each of the fine-structure ground-state levels. Recombination rates are presented over a temperature range ~4.0<=logTe<=7.0, of importance to the modelling of X-ray emission plasmas.
Bell Kenneth L.
Gorczyca Thomas W.
Keenan Francis P.
McLaughlin Brendan M.
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