Journal
ASTRONOMY & ASTROPHYSICS
Volume 382, Issue 3, Pages 1070-1080Publisher
EDP SCIENCES S A
DOI: 10.1051/0004-6361:20011694
Keywords
methods : statistical; sun : flares; sun : X-rays
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A statistical analysis of almost 50 000 soft X-ray (SXR) flares observed by GOES during the period 1976{2000 is presented. On the basis of this extensive data set, statistics on temporal properties of soft X-ray flares, such as duration, rise and decay times with regard to the SXR are classes is presented. Correlations among distinct are parameters, i.e. SXR peak flux, fluence and characteristic times, and frequency distributions of are occurrence as function of the peak flux, the fluence and the duration are derived. We discuss the results of the analysis with respect to statistical are models, the idea of coronal heating by nanoflares, and elaborate on implications of the obtained results on the Neupert effect in solar flares.
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