Abstract Due to the lack of simultaneous high sensitivity/time resolution observations at mm- cm-λ and m-λ a program on such investigations has been carried out with data obtained by INPE at Itapetinga and by the Astronomical Observatory of Trieste. Preliminary results obtained by comparing mm-wave burst structures with 408, 327 and 237 MHz indicate that i) for majority of major time structures (time scales of the order of 1 sec) observed at 22 GHz bursts, corresponding type III bursts have been observed at 237 MHz, however ii) start times at mm-λ and m-λ are not often coincident at two wavelengths. These observations favour the hypothesis of (a) time dependent acceleration of energetic electrons and (b) burst emission is the response to a multiple injection of energetic electrons.


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    Titel :

    Association of time structures of solar bursts at millimetric and at metric waves


    Beteiligte:
    Sawant, H.S. (Autor:in) / Kaufmann, P. (Autor:in) / Correia, E. (Autor:in) / Costa, J.E.R. (Autor:in) / Zlobec, P. (Autor:in) / Messerotti, M. (Autor:in) / Fornasari, L. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    01.01.1984


    Format / Umfang :

    4 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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