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Дата изменения: Unknown Дата индексирования: Sun Apr 10 17:25:02 2016 Кодировка: Поисковые слова: http news.cosmoport.com 2002 05 16 6.htm |
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Sources of polarized radiation with unusual spectral features
discovered in the Sun.
In the framework of the study of solar active regions that produce
powerful flares the researchers from the RATAN-600 radio telescope
have detected sources with features in the form of a sharp decrease
in the intensity of polarized radiation in various parts of the
recorded frequency range (2-16GHz), sometimes changing the sign
of polarization. Modeling of the phenomenon indicates the presence
of a hot coronal loop at the heights of about 10Mm (the height of
the transition region is about 2-5Mm). The magnetic field strength
of the hot region was measured at 360-450 gauss.
In collaboration with St. Petersburg State University
(Contacts: Bogod V.M.)
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