The Oscillation Modes of epsilon CEP and tau Peg

Details The Oscillation Modes of epsilon CEP and tau Peg The Oscillation Modes of epsilon CEP and tau Peg

May 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996aas...188.5901h&link_type=abstract

American Astronomical Society, 188th AAS Meeting, #59.01; Bulletin of the American Astronomical Society, Vol. 28, p.917

Astronomy and Astrophysics

Astronomy

Scientific paper

Asteroseismology of delta Scuti stars offers an attractive prospect for determining the interior properties of main sequence and slightly more evolved A- and F-type stars. Here we present detailed identifications of oscillation modes in the rapidly rotating delta Scuti stars epsilon Cep and tau Peg based on extensive observations carried out at two North American sites. Using cross-correlation and Fourier techniques we analyze the line-profile variations and the variations in the line-profile moments. A solution to the mode spectrum is sought using a genetic-based search algorithm and a line profile simulation model to reproduce the observed variations.

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