Size Distributions of Solar Proton Events: Methodological and Physical Restrictionsстатья
Статья опубликована в высокорейтинговом журнале
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Дата последнего поиска статьи во внешних источниках: 8 января 2017 г.
Аннотация:Abstract. Based on the new Catalogue of solar proton events (SPEs) for the period of 1997-2009 (solar cycle 23) we re-visit the long-studied problem of SPE size distributions (SDs) in the context of those constructed for other solar flare parameters. Recent results on the problem of SDs of solar flares (SXR events) and solar proton events (SPEs) are briefly reviewed. Even cursory acquaintance with this research field reveals rather mixed and controversial picture. We concentrate on three main issues: 1) SPE size distribution for >10 MeV protons in solar cycle 23; 2) size distribution of > 1 GV proton events in 1942-2014; 3) variations of annual SPE numbers for >10 MeV protons at long-term scale (1955-2015). Different results are critically compared, and the most of works in this field is shown to suffer from arbitrary selection of data sets as well as from ignorance of underlying physical processes in the SPEs under consideration. New studies in this field should be made on more distinct physical and methodological bases. It is important to note evident similarity in SDs of solar flares and superflares on the Sun-like stars.