Solar Extreme Events of 2003:
Fundamental Science and Applied Aspects

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SOLAR ENERGETIC PARTICLES IN OCTOBER - NOVEMBER, 2003.
Kuznetsov S.N., Kudela K., Kurt V. G. , Myagkova I.N., Podorolsky A.N, Yushkov B.Yu.,

Active region (AR) NOAA 0486 was the source of the most intensive recent flares during the time period from the end of October to the beginning of the November, 2003. Nine large flares (class X in soft X-ray) have taken place in this AR during this time interval - from October, 23 when this AR appeared from the eastern limb of the Sun to November, 04 when it disappeared behind the western limb. Set of instruments on board Russian solar observatory CORONAS-F (altitude 500 km, inclination 83 degree) permit us to measure high energy neutral emissions - X-ray and gamma ray emission 0.05- 200 MeV and neutrons with the energies >20 MeV, and charged solar particles fluxes - protons with the energies 1-90 MeV and electrons 0.03-110 MeV and ions. We analysed these data together with SOHO, ACE and GOES ones to study the peculiarities of solar energetic particles movement in dependence of flare power and its position at the solar disk.





Skobeltsyn Institute of Nuclear Physics, Moscow State University, 2004