Influence of Stark broadening of ionized chromium spectral lines in Ap-star atmospheres,The European Physical Journal D

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Influence of Stark broadening of ionized chromium spectral lines in Ap-star atmospheres
The European Physical Journal D ( IF 1.5 ) Pub Date : 2021-08-26 , DOI: 10.1140/epjd/s10053-021-00244-y
Abeer Almodlej ₁ , Nabil Ben Nessib _{1,

2} , Milan S. Dimitrijević ₃

Affiliation

Abstract

The influence of Stark broadening in ionized chromium spectral lines observed in stellar atmospheres of Ap stars is considered. We have calculated the fitting coefficients of these lines and used them to compare Stark broadening and thermal Doppler widths for the conditions in the atmosphere of the Ap-star HD 188041. We also studied the influence of the Stark broadening on a synthetic profile of a line in the spectrum of this star.