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Fig. 12.


Variation with temperature of the FWHM of the resonance lines of Mg perturbed by He collisions. Bottcher et al. (1975), circle), Reggami & Bouledroua (2011) Set I (green downward-pointing triangle), Reggami & Bouledroua (2011) Set II (blue upward-pointing triangle), Alekseev (2014; see footnote) (plus), this work (star), and a power-law fit (magenta line). The rates are in units of 10−9 s−1 cm−3.

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