Calculation of damping constant of Fraunhofer lines in the solar atmosphere

Details Calculation of damping constant of Fraunhofer lines in the solar atmosphere Calculation of damping constant of Fraunhofer lines in the solar atmosphere

Sep 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000kfnts...3..453y&link_type=abstract

Kinematika i Fizika Nebesnykh Tel, Suppl, no. 3, p. 453-455

Physics

Scientific paper

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

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