Stark-broadening calculations of singly ionized carbon spectral lines

被引：18

作者：

Larbi-Terzi, N. ^{[1
]}

Sahal-Brechot, S. ^{[2
]}

Ben Nessib, N. ^{[1
]}

Dimitrijevic, M. S. ^{[2
,3
,4
]}

机构：

[1] Univ Carthage, Grp Rech Phys Atom & Astrophys, Inst Natl Sci Appl & Technol, Ctr Urbain Nord, Tunis 1080, Tunisia

[2] UPMC, CNRS, Lab Etude Rayonnement & Mat Astrophys, Observ Paris,UMR 8112, F-92195 Meudon, France

[3] Astron Observ, Belgrade 11060 38, Serbia

[4] Isaac Newton Inst Chile, Yugoslavia Branch, Belgrade 11060, Serbia

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2012年 / 423卷 / 01期

关键词：

atomic data; atomic processes; line: profiles; white dwarfs; IMPACT THEORY; WIDTHS; PROFILES; SHIFT; IONS; ATMOSPHERES; ELECTRONS; PLASMA; ATOMS;

D O I：

10.1111/j.1365-2966.2012.20968.x

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Using the semiclassical perturbation approach in the impact approximation, we have obtained Stark-broadening parameters for 148 C ii multiplets. Energy levels and oscillator strengths are taken from the TOPbase data base. Results are obtained as a function of temperature for a set of perturber densities of 1014, 1017 and 1018 cm-3. In addition to electron-impact full half widths and shifts, Stark-broadening parameters due to singly ionized carbon impacts have been calculated. Thus, we have provided Stark-broadening data for the important charged perturbers in the atmospheres of carbon white dwarfs.

引用

页码：766 / 773

页数：8

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