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Spectral variations of flare hard X-rays
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SYSNO ASEP 0125069 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Spectral variations of flare hard X-rays Author(s) Hudson, H. S. (US)
Fárník, František (ASU-R) RID, ORCIDSource Title Solar variabiliy: from core to outer frontiers, 1 / Wilson A.. - Noordwijk : ESA Publication Division, 2002 Pages s. 261-264 Number of pages 4 s. Action European Solar Physics Meeting /10./ Event date 09.09.2002-14.09.2002 VEvent location Praha Country CZ - Czech Republic Event type WRD Language eng - English Country NL - Netherlands Keywords flares ; X-rays ; corona Subject RIV BN - Astronomy, Celestial Mechanics, Astrophysics R&D Projects GA205/02/0980 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z1003909 - ASU-R Annotation The authors report on a set of eight solar hard X-ray bursts corresponding to M-class flares and well-observed with the RHESSI and HXRS instruments. They find that the impulsive phases of these events invariably show the soft-hard-soft spectral pattern in which the power-law spectral index anticorrelates with the flux. Workplace Astronomical Institute Contact Anežka Melichárková, bibl@asu.cas.cz, Tel.: 323 620 326 Year of Publishing 2003
Number of the records: 1