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Atoms 2018, 6(2), 15; https://doi.org/10.3390/atoms6020015

Stark Broadening of Cr III Spectral Lines: DO White Dwarfs

1
Astronomical Observatory, Volgina 7, 11060 Belgrade 38, Serbia
2
LERMA, Observatoire de Paris, PSL Research University, CNRS, Sorbonne Universities, UPMC, Paris 06, 5 Place Jules Janssen, 92195 Meudon CEDEX, France
3
Institut für Astro- und Teilchenphysik, Universität Innsbruck, Technikerstr. 25/8, A-6020 Innsbruck, Austria
Current address: Astronomical Observatory, Volgina 7, 11060 Belgrade 38, Serbia.
*
Author to whom correspondence should be addressed.
Received: 7 March 2018 / Revised: 24 March 2018 / Accepted: 26 March 2018 / Published: 3 April 2018
(This article belongs to the Special Issue Spectral Line Shapes in Plasmas II)
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Abstract

Using the modified semiempirical method of Dimitrijević and Konjević, Stark widths have been calculated for six Cr III transitions, for an electron density of 10 17 cm 3 and for temperatures from 5000–80,000 K. Results have been used for the investigation of the influence of Stark broadening on spectral lines in cool DO white dwarf atmospheres. Calculated Stark widths will be implemented in the STARK-B database, which is also a part of the Virtual Atomic and Molecular Data Center (VAMDC). View Full-Text
Keywords: Stark broadening; line profiles; atomic data; DO white dwarfs; stellar spectra Stark broadening; line profiles; atomic data; DO white dwarfs; stellar spectra
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Dimitrijević, M.S.; Chougule, A. Stark Broadening of Cr III Spectral Lines: DO White Dwarfs. Atoms 2018, 6, 15.

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