Atomic data from the IRON project

A new R-matrix calculation of rate coefficients for electron collisional excitation of $\ion{Fe}{xiii}$ is presented and compared to recent calculations of comparable complexity. At temperatures at which Fe12+ is typically found in the solar corona, the present results, which use the intermediate co...

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Published inAstronomy and astrophysics (Berlin) Vol. 511
Main Authors Storey, P. J., Zeippen, C. J.
Format Journal Article
LanguageEnglish
Published EDP Sciences 12.03.2010
Subjects
atomic data
Sun: corona
techniques: spectroscopic
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Summary:A new R-matrix calculation of rate coefficients for electron collisional excitation of $\ion{Fe}{xiii}$ is presented and compared to recent calculations of comparable complexity. At temperatures at which Fe12+ is typically found in the solar corona, the present results, which use the intermediate coupling frame transformation method, show significant differences compared to some earlier work. We use a large configuration interaction calculation with extensive correlation to assess the accuracy of our and earlier workers' scattering targets.
Bibliography:publisher-ID:aa12689-09
Full Tables 7 and 8 are only available in full in electronic form at the CDS via anonymous ftp to cdsarc.u-strasbg.fr (130.79.128.5) or via http://cdsweb.u-strasbg.fr/cgi-bin/qcat?J/A+A/511/A78
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other:2010A%26A...511A..78S
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ISSN:0004-6361
1432-0746
DOI:10.1051/0004-6361/200912689