Stark Broadening in Compact Stars: Xe VI Lines

  • Milan S. Dimitrijević
  • Zoran Simić
  • Andjelka Kovačević
  • Aleksandar Valjarević
  • Sylvie Sahal-Bréchot


We will consider Stark broadening of non hydrogenic spectral lines in the impact approximation in compact stars: pre-white dwarf and white dwarf atmospheres. In order to show an example, Stark broadening parameters have been calculated, using the impact semiclassical perturbation approach for four Xe VI spectral lines. Obtained results have been used to demonstrate the influence of Stark broadening in DA and DB white dwarf atmospheres.

Key words

Stark broadening atomic data white dwarfs Xe VI. 



This work is part of the project 176002 (Influence of collisional processes on astrophysical plasma line shapes) supported by the Ministry of Education, Science and Technological Development of Serbia. This work has also been supported by the Paris Observatory, the CNRS and the PNPS (Programme National de Physique Stellaire, INSU-CNRS). This work was benefitted by a fruitful discussion with Dr. J. Larour concerning the interest of Xe ionized lines observed in high power lasers experiments. This discussion took place at the Annual 2015 ScientificMeeting of the Labex Plas@par, which is a part of the programme “Investissements d’avenir” under the reference ANR-11-IDEX-0004-02.


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Copyright information

© Indian Academy of Sciences 2015

Authors and Affiliations

  • Milan S. Dimitrijević
    • 1
    • 2
    • 3
  • Zoran Simić
    • 1
  • Andjelka Kovačević
    • 4
  • Aleksandar Valjarević
    • 5
  • Sylvie Sahal-Bréchot
    • 2
  1. 1.Astronomical ObservatoryBelgradeSerbia
  2. 2.LERMA, Observatoire de Paris, PSL Research University, CNRSSorbonne Universities, UPMC Univ. Paris 06Meudon CedexFrance
  3. 3.IHIS Techno ExpertsBelgrade-ZemunSerbia
  4. 4.Department of AstronomyFaculty of MathematicsBelgradeSerbia
  5. 5.Faculty of Natural Sciences and Mathematics, Department of GeographyUniversity of Kosovska MitrovicaKosovska MitrovicaSerbia

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