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Statistical Analysis of Extreme Electron Fluxes in the Radiation Belts

Published online by Cambridge University Press:  24 July 2018

Vanina Lanabere  and
Sergio Dasso
Vanina Lanabere
Affiliation:
Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Ciencias de la Atmósfera y los Océanos, Buenos Aires, Argentina email: [email protected]
Sergio Dasso
Affiliation:
Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Ciencias de la Atmósfera y los Océanos, Buenos Aires, Argentina email: [email protected] Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Física, Buenos Aires, Argentina CONICET - Universidad de Buenos Aires, Instituto de Astronomía y Física del Espacio, Buenos Aires, Argentina
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Abstract

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The main aim of this work is to study the frequency of extreme Space Weather events, in particular to analyse the tails of the daily averaged electron fluxes distribution function for different channels of energy between 0.249–1.192 MeV measured at ~ 600 km of altitude with the particle detector ICARE-NG/CARMEN-1 on board argentinian polar satellite SAC-D. An extreme value theory was applied to estimate the maximum values of the electron flux in the outer radiation belt for different return levels. We found that the cumulative distribution function of the extreme electron fluxes presents a finite upper limit in (1) the core of the outer radiation belt for the lower energy channels and (2) in the inner edge of the outer radiation belt for energy channels larger than 0.653 keV. The results presented in this work are important to characterise Space Weather conditions.

Keywords

interplanetary mediummethods: statistical(Sun:) solar-terrestrial relations
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 13 , Symposium S335: Space Weather of the Heliosphere: Processes and Forecasts , July 2017 , pp. 128 - 131
Copyright
Copyright © International Astronomical Union 2018 

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