Stark Widths of Ar II Spectral Lines in the Atmospheres of Subdwarf B Stars
Rafik Hamdi, Nabil Ben Nessib, Sylvie Sahal Bréchot and 1 more
Atoms · 2017
doi:10.3390/atoms5030026 (opens in a new tab)
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Abstract
Stark broadening parameters are of interest for many problems in astrophysics and laboratory plasmas investigation. Ar II spectral lines are observed in many kinds of stellar atmospheres such as the atmospheres of B-Type stars and subdwarf B stars. In this work, we present theoretical Stark widths for Ar II spectral lines. We use the impact semiclassical perturbation approach. Our results are compared with the available experimental values. Finally, the importance of the Stark broadening mechanism is studied in atmospheric conditions of subdwarf B stars.
Abstract licence: CC BY
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