Fourier analysis of rotationally broadened stellar spectra.

Details Fourier analysis of rotationally broadened stellar spectra. Fourier analysis of rotationally broadened stellar spectra.

Aug 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995pobeo..50...75j&link_type=abstract

Publications de l'Observatoire Astronomique de Beograd, No. 50, p. 75 - 80

Astronomy and Astrophysics

Astrophysics

3

Line Broadening: Radiation Mechanisms, Line Broadening: Stellar Atmospheres

Scientific paper

A complex combination of physical processes affecting mainly the shape of a spectral line formed in stellar atmosphere can be better distinguished at low Fourier frequencies than in the profile itself. Considering the analysis of stellar rotationally broadened line as a typical example of those astrophysical problems where it is more advantageous to use the Fourier transform of the profile, the author presents a method for determination of stellar projected rotational velocity and limb-darkening coefficient.

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