Simple formulae for estimating Stark widths and shifts of neutral atom lines

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Astronomical Spectroscopy, Line Spectra, Neutral Atoms, Spectral Line Width, Stark Effect, Electron Impact, Spectrum Analysis, Stellar Atmospheres

Scientific paper

Formulas for estimating Stark widths and shifts of neutral atom lines, based on the simple method of Freudenstein and Cooper (1978) and the GBKO semiclassical theory, are presented. For the calculations, most of the available personal computers are sufficient. Obtained formulas have been applied to He I and Mg I lines and results are compared with calculations of Benett and Griem (1971) and values obtained according to the method of Freudenstein and Cooper.

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