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On the nature of optical oscillations on the flare stars

Published online by Cambridge University Press:  14 March 2005

E. G. Kouprianova ,
Y. T. Tsap ,
Y. G. Kopylova  and
A. V. Stepanov
E. G. Kouprianova
Affiliation:
Central Astronomical Observatory, Pulkovo, Russia, email: lioka@gao.spb.ru
Y. T. Tsap
Affiliation:
Crimean Astrophysical Observatory, email: yur@crao.crimea.ua
Y. G. Kopylova
Affiliation:
Central Astronomical Observatory, Pulkovo, Russia, email: lioka@gao.spb.ru
A. V. Stepanov
Affiliation:
Central Astronomical Observatory, Pulkovo, Russia, email: lioka@gao.spb.ru
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Abstract

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On the basis of an analogy between solar and stellar flares the optical oscillations with periods of tens of seconds observed on the EV Lac are analyzed. In terms of the diagnostic tool proposed by Zaitsev & Stepanov (1982) the main parameters of the flare loop was obtained. We concluded that source of the optical radiation is located at the loop footpoints and its pulsations are determined by the modulation of the flux of energetic particles.To search for other articles by the author(s) go to: http://adsabs.harvard.edu/abstract_service.html

Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2004 , Issue IAUS223 , June 2004 , pp. 391 - 392
Copyright
© 2004 International Astronomical Union