Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983a%26as...52..181m&link_type=abstract
Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 52, April 1983, p. 181-192. Research supported by the U.S. D
Astronomy and Astrophysics
Astrophysics
12
Electron Scattering, Iron, Solar Flares, Solar Spectra, Solar X-Rays, Atomic Spectra, Atomic Structure, Electron Transitions, Line Spectra, Solar Maximum Mission
Scientific paper
The atomic data presented here and in Bhatia and Mason (1980) allow the calculation of theoretical intensity ratios for all the EUV, UV, and X-ray lines from Fe XX. Tabulations are presently given for the transitions between levels in the 2s2 2p3, 2s2 2p2 3s, and 2s2 2p2 3d configurations of Fe(19+), and electron collision strengths are calculated by means of the 'distorted wave' approximation. In addition to the theoretical X-ray line intensity ratios, new spectral line identifications from a solar flare are presented.
Bhatia Anand K.
Mason Harris E.
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