The Broadening of Spectral Lines by Collisions with Neutral Hydrogen Atoms in Cool Stars

Details The Broadening of Spectral Lines by Collisions with Neutral Hydrogen Atoms in Cool Stars The Broadening of Spectral Lines by Collisions with Neutral Hydrogen Atoms in Cool Stars

Sep 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aipc..938..111b&link_type=abstract

SPECTRAL LINE SHAPES IN ASTROPHYSICS: VI Serbian Conference on Spectral Line Shapes in Astrophysics (VI SCSLSA). AIP Conference

Astronomy and Astrophysics

Astrophysics

Atomic And Molecular Data, Spectra, And Spectral Parameters, Line Shapes, Widths, And Shifts, Abundances, Chemical Composition

Scientific paper

I review the theory of broadening of metallic spectral lines by neutral hydrogen atom collisions developed by Anstee, Barklem and O'Mara. I discuss why the theory works, while is able to retain the wide range of applicability needed for astrophysical applications. I discuss the present status of large scale calculations for many spectral lines for neutral and singly ionized species. Some examples of application to analysis of cool star spectra will be discussed.

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