Solar energetic particle fluences from SOHO/ERNE |
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| Authors: | Eino Valtonen Esa Riihonen Iiro-Ville Lehtinen |
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| Institution: | 1.Space Research Laboratory, Department of Physics,University of Turku,Turku,Finland |
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| Abstract: | We have calculated integral fluences of solar protons and helium nuclei at 19 energy thresholds between 1.6 and 90 MeV/n from
the SOHO/ERNE measurements during the years 1996–2005. We have also calculated fluences of oxygen and iron in the energy range
from 10 up to a few hundred MeV/n for nineteen solar energetic particle (SEP) events. These are the first results of the work
aiming at a full employment of the ERNE data in investigating the fluence distributions of SEP events over the entire solar
activity cycle 23 and in deriving the total dose received on-board SOHO during its mission. Some instrumental problems are
identified and future developments are presented. |
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