Investigation of the damping constant of Fraunhofer lines of the solar atmosphere

Details Investigation of the damping constant of Fraunhofer lines of the solar atmosphere Investigation of the damping constant of Fraunhofer lines of the solar atmosphere

Aug 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001kfnt...17..365y&link_type=abstract

Kinematika i Fizika Nebesnykh Tel, vol. 17, no. 4, p. 365-371

Physics

Scientific paper

Reliable data on spectral line damping are required to determine the chemical content of stellar atmospheres. We propose explicit expressions for the damping constant which take into account several mechanisms influencing the broadening of spectral lines. We calculate the damping constant for some spectral lines under different temperatures with allowance made for inelastic collisions. Using the most correct and empirically tested method of spectral line investigations, we calculate the damping constant for spectral lines of the iron group in the solar atmosphere.

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