Theoretical study of the Stark width and shift parameters of PbIII lines: predictions and regularities

Details Theoretical study of the Stark width and shift parameters of PbIII lines: predictions and regularities Theoretical study of the Stark width and shift parameters of PbIII lines: predictions and regularities

Mar 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008mnras.385..261a&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 385, Issue 1, pp. 261-268.

Astronomy and Astrophysics

Astronomy

2

Atomic Data, Atomic Processes

Scientific paper

Semiclassical approximate values of the Stark parameters for several lines of PbIII are reported in this paper. The parameters were calculated using a set of wavefunctions obtained from Hartree-Fock relativistic calculations. Stark widths for 122 lines of PbIII arising from 5d106snp (n = 6,7,8), 5d106sns (n = 7,8,9) and 5d106snd (n = 6,7) configurations have been calculated in this way. Stark widths and shifts are presented as a function of temperature for an electron density of 1017 cm-3. Our results are compared with available experimental data. These atomic data are relevant to the analysis of isotopic abundances of PbIII found in the atmospheres of the star χ Lupy and several subdwarf B and OB stars.

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