Stark Broadening of Spectral Lines of Multicharged Ions of Astrophysical Interest. II - Si IV Lines

M. S. Dimitrijevic , S. Sahal-Bréchot (1) , V. Bommier (2)

1 LERMA - Laboratoire d'Etude du Rayonnement et de la Matière en Astrophysique
2 LESIA (UMR_8109) - Laboratoire d'études spatiales et d'instrumentation en astrophysique

Using a semi-classical approach, we have calculated electron-, proton-, and ionized helium-impact line widths and shifts for 40 Si IV multiplets. The comprehensive set of obtained data has also been used for investigation of Stark broadening parameter regularities within spectral series.

Mots clés: line profile; atomic data; Stark broadening

Domaines: Physique [physics]; Astrophysique [astro-ph]; Astrophysique stellaire et solaire [astro-ph.SR]

M. S. Dimitrijevic, S. Sahal-Bréchot, V. Bommier. Stark Broadening of Spectral Lines of Multicharged Ions of Astrophysical Interest. II - Si IV Lines. Astronomy and Astrophysics - A&A, 1991, Astronomy and Astrophysics Supplement Series, 89 (3), pp.591-598. ⟨hal-02393475⟩