Importance of collisions with charged particles for stellar UV line shapes: Cd III

Details Importance of collisions with charged particles for stellar UV line shapes: Cd III Importance of collisions with charged particles for stellar UV line shapes: Cd III

Oct 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003pobeo..76..215m&link_type=abstract

Publications of the Astronomical Observatory of Belgrade (ISSN 0373-3742), No. 76, p. 215 - 220 (2003). In: IV Serbian Conferenc

Astronomy and Astrophysics

Astronomy

Spectral Lines, Stark Broadening, Cadmium, White Dwarfs

Scientific paper

Stark broadening parameters, widths and shifts, for 84 spectral lines of the doubly-ionized cadmium (Cd III) have been calculated using modified semiempirical approach (MSE). Influence of collisions with charged particles on Cd III UV stellar lines along HR diagram has been discussed. Compared to the Doppler broadening, influence of Stark broadening mechanism is more important for deeper atmospheric layers and for larger values of log g. Influence of the Stark widths for standard models of DA and DB white dwarfs has been also discussed.

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