Stark Broadening of Co II Lines in Stellar Atmospheres

Zlatko Majlinger, Milan S. Dimitrijević and Vladimir A. Srećković
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Zlatko Majlinger: Astronomical Observatory, Volgina 7, 11060 Belgrade, Serbia
Milan S. Dimitrijević: Astronomical Observatory, Volgina 7, 11060 Belgrade, Serbia
Vladimir A. Srećković: Institute of Physics Belgrade, University of Belgrade, 11001 Belgrade, Serbia

Data, 2020, vol. 5, issue 3, 1-9

Abstract: Data for Stark full widths at half maximum for 46 Co II multiplets were calculated using a modified semiempirical method. In order to show the applicability and usefulness of this set of data for research into white dwarf and A type star atmospheres, the obtained results were used to investigate the significance of the Stark broadening mechanism for Co II lines in the atmospheres of these objects. We examined the influence of surface gravity (log g), effective temperature and the wavelength of the spectral line on the importance of the inclusion of Stark broadening contribution in the profiles of the considered Co II spectral lines, for plasma conditions in atmospheric layers corresponding to different optical depths.

Keywords: atomic data; stark broadening data; line profiles; Co II; white dwarfs; A-type stars (search for similar items in EconPapers)
JEL-codes: C8 C80 C81 C82 C83 (search for similar items in EconPapers)
Date: 2020
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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