Oscillation and tidal resonance phenomena in the Beta Lyrae system

Details Oscillation and tidal resonance phenomena in the Beta Lyrae system Oscillation and tidal resonance phenomena in the Beta Lyrae system

Mar 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990pazh...16..240k&link_type=abstract

Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 16, March 1990, p. 240-246. In Russian. In Russian. In Russian.

Astronomy and Astrophysics

Astronomy

1

Eclipsing Binary Stars, Stellar Magnetic Fields, Stellar Oscillations, Stellar Spectra, Tidal Waves, Emission Spectra, H Alpha Line, Magnetic Field Configurations, Resonant Frequencies

Scientific paper

In the Beta Lyrae system, oscillations in H-alpha emission lines and magnetic field variations with a period of 1.85 d have been observed. It is suggested that these oscillations and variations are related to the excitation of quadrupole fundamental eigenmodes in the bright component of the binary system. This excitation is the result of a resonant interaction between the modes and the tidal wave, due to asynchronized orbital and rotational periods.

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