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Study on the onsets of solar energetic electron events

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Abstract

Fine time resolution observations of the angular distributions of the intensities of energetic electrons (220 ≤ E e ≤ 500 keV) by the IMP-7 and 8 spacecraft during the onsets of solar electron events and the technique of mapping the solar wind to the solar corona have been incorporated in this work in order to obtain the large-angle scattering distance of these particles under different configurations of the large scale structure of the interplanetary medium. It is found that in the presence of stream-stream interaction regions with compressed magnetic fields beyong 1 AU, the large-angle scattering is determined by the distance along the streamlines from the spacecraft to their intersection by a faster solar wind stream. In cases of diverging magnetic fields the estimated large-angle scattering distance exceeds 1 AU.

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Authors and Affiliations

  1. Demokritos University of Thrace, Xanthi, Greece

    E. T. Sarris, P. C. Trochoutsos & G. C. Anagnostopoulos

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  1. E. T. Sarris
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  2. P. C. Trochoutsos
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  3. G. C. Anagnostopoulos
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Sarris, E.T., Trochoutsos, P.C. & Anagnostopoulos, G.C. Study on the onsets of solar energetic electron events. Sol Phys 83, 51–61 (1983). https://doi.org/10.1007/BF00148242

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  • DOI: https://doi.org/10.1007/BF00148242

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