AbstractThe GOES X3.9 flare on 03 November 2003 at ∼09:45 UT was observed from metric to millimetric wavelengths by the Nançay Radioheliograph (NRH), the Radio Solar Telescope Network (RSTN) and by radio instruments operated by the Institute of Applied Physics (University of Bern). This flare was simultaneously observed and imaged up to several 100keV by the RHESSI experiment. The time profile of the X-ray emission above 100keV and of the radio emissions shows two main parts, impulsive emission lasting about 3min and long duration emission (partially observed by RHESSI) separated in time by 4min. We shall focus here on the modulations of the broad-band radio continua and of the X-ray emissions observed in the second part of the flare. The observations suggest that gyrosynchrotron emission is the prevailing emission mechanism even at decimetric wavelengths for the broad-band radio emission. Following this interpretation, we deduce the density and the magnetic field of the decimetric sources and briefly comment on possible interpretations of the modulations.


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    Titel :

    Modulations of broad-band radio continua and X-ray emissions in the large X-ray flare on 03 November 2003


    Beteiligte:
    Dauphin, C. (Autor:in) / Vilmer, N. (Autor:in) / Lüthi, T. (Autor:in) / Trottet, G. (Autor:in) / Krucker, S. (Autor:in) / Magun, A. (Autor:in)

    Erschienen in:

    Advances in Space Research ; 35 , 10 ; 1805-1812


    Erscheinungsdatum :

    2005-04-29


    Format / Umfang :

    8 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Schlagwörter :



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