https://doi.org/10.1140/epjd/s10053-021-00244-y
Regular Article – Atomic Physics
Influence of Stark broadening of ionized chromium spectral lines in Ap-star atmospheres
1
Department of Physics and Astronomy, College of Sciences, King Saud University, Riyadh, Saudi Arabia
2
GRePAA, INSAT, Centre Urbain Nord, University of Carthage, Tunis, Tunisia
3
Astronomical Observatory, Volgina 7, 11060, Belgrade 38, Serbia
4
Observatoire de Paris, Université PSL, CNRS, LERMA, Sorbonne Université, 92190, Meudon, France
Received:
25
March
2021
Accepted:
10
August
2021
Published online:
26
August
2021
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.
© The Author(s), under exclusive licence to EDP Sciences, SIF and Springer-Verlag GmbH Germany, part of Springer Nature 2021
