A programme for electron-impact broadening parameter calculations of ionized rare-earth element lines

Details A programme for electron-impact broadening parameter calculations of ionized rare-earth element lines A programme for electron-impact broadening parameter calculations of ionized rare-earth element lines

1998-05-15

arxiv.org/abs/astro-ph/9805204v1

Astronomy and Astrophysics

Astrophysics

3 pages, no figure, to appear in: Proc. of the 26th workshop of the European Working Group on CP stars, eds. P. North, A. Schn

Scientific paper

In order to provide atomic data needed for astrophysical investigations, a set of electron-impact broadening parameters for ionized rare-earth element lines should be calculated. We are going to calculate the electron-impact broadening parameters for more than 50 transitions of ionized rare-earth elements. Taking into account that the spectra of these elements are very complex, for calculation we can use the modified semiempirical approach - MSE or simplified MSE. Also, we can estimate these parameters on the basis of regularities and systematic trends.

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