Astronomy and Astrophysics – Astrophysics
Scientific paper
Nov 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993a%26a...279..298h&link_type=abstract
Astronomy and Astrophysics (ISSN 0004-6361), vol. 279, no. 1, p. 298-309
Astronomy and Astrophysics
Astrophysics
400
Astronomical Models, Atomic Excitations, Collision Parameters, Electron Scattering, Electron Transitions, Fine Structure, Mathematical Models, Transition Probabilities, Infrared Space Observatory (Iso), Isoelectronic Sequence, Schroedinger Equation, Solar Spectra
Scientific paper
The IRON Project has the goal of computing on a large scale electron excitation cross sections and rates of astrophysical and technological importance, using the most reliable procedures curently available. Radiative transition probabilities and photoionization cross sections not known from other sources e.g. from the Opacity Project, will also be presented. Although the major effort will be for ions of the iron-group elements, other ions of astrophysical interest will also be included. In this introductory paper models and procedures to be used are summarized and the approximations are discussed. As an example of our computational procedures, typical results for fine structure transitions involving electron collisions with Fe XVIII ions and radiative data from Fe XVII are presented.
Berrington Keith A.
Eissner Werner
Hummer David G.
Pradhan Anil Kumar
Saraph Hannelore E.
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