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Issue A&A
Volume 388, Number 1, June II 2002
Page(s) L17 - L19
Section Letters
DOI http://dx.doi.org/10.1051/0004-6361:20020568



A&A 388, L17-L19 (2002)
DOI: 10.1051/0004-6361:20020568

Letter

Observation of the linear polarization in the flare with a powerful surge

N. M. Firstova1 and L. K. Kashapova2

1  Institute of Solar-Terrestrial Physics, Siberian Branch, Russian Academy of Sciences, Irkutsk, PO Box 4026, Russia
2  Institute of Solar-Terrestrial Physics, Siberian Branch, Russian Academy of Sciences, Irkutsk, PO Box 4026, Russia
    e-mail: lkk@iszf.irk.ru

(Received 3 July 2001 / Accepted 12 April 2002 )

Abstract
An investigation of the linear polarization in the flare with a powerful surge revealed an unusual behavior of the Stokes parameter profiles along the dispersion. We discuss the probability that photons propagating from the flare and passing through the surge generate a linearly polarized radiation of the surge.


Key words: sun: flare -- polarization

Offprint request: N. M. Firstova, first@iszf.irk.ru




© ESO 2002


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