AbstractVariation of the quasitrapped component of proton population in the energy range of 0.64 to 35 MeV that peaks over the minimum magnetic field equator has been studied in the thermospheric altitude range of 280 – 850 km using the results of investigations by German satellite AZUR (1969–1970), US S81-1 mission (1982), and Japanese EXOS-C mission (1984–1986). The quasitrapped perpendicular flux identified by their L-independence feature, has been converted to absolute proton population using the instrument response function. The absolute proton population during the solar maximum of 1982 is, at least, forty times larger than that during the solar minimum of 1984–1986, and three times larger than that during the comparatively weak solar maximum of 1969–1970.


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    Titel :

    Significant variation of proton population in the equatorial thermosphere


    Beteiligte:
    Miah, M.A. (Autor:in)

    Erschienen in:

    Advances in Space Research ; 14 , 9 ; 229-232


    Erscheinungsdatum :

    01.01.1994


    Format / Umfang :

    4 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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