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Table · dataset · 2012

Stark broadening of Sn III spectral lines

Listed in IVOA Registry (Virtual Observatory)

The determination of the Stark broadening parameters of Sn ions is useful for astrophysicists interested in the determination of the density of electrons in stellar atmospheres.

Description

In this paper, we report on the calculated values of the Stark broadening parameters for 171 lines of SnIII arising from 4d^10^5sns (n=6-9), 4d^10^5snp (n=5, 6), 4d^10^5p^2^, 4d^10^5snd (n=5-7), 4d^10^5s4f and 4d^10^5s5g. Stark linewidths and line shifts are presented for an electron density of 10^23^m^-3^ and temperatures T=11000-75000K.

These have been calculated using a semi-empirical approach, with a set of wavefunctions obtained from Hartree-Fock relativistic calculations, including core polarization effects. The results obtained have been compared with available experimental data. These can be used to consider the influence of Stark broadening effects in A-type stellar atmospheres.

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Catalogue records · 2

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Astronomical sciences 71%
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