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DTSTART:19960101T000000 END:STANDARD BEGIN:STANDARD TZNAME:GMT TZOFFSETFROM:+0100 TZOFFSETTO:+0000 DTSTART:19961027T020000 RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU END:STANDARD END:VTIMEZONE BEGIN:VEVENT DTSTAMP:20260428T021526Z DTSTART;VALUE=DATE-TIME:20140310T150000 DTEND;VALUE=DATE-TIME:20140310T160000 SUMMARY:Larisa Kashapova\, On energy release during the ā€œflatā€ gradual ph ase of faint solar flares. TZID:Europe/London UID:20140310-094d43d5437c167b0143aee5d40b638d@warwick.ac.uk CREATED:20140120T090534Z DESCRIPTION:Dr Larisa Kashapova (Institute for Solar-Terrestrial Physics of SB RAS\, Irkutsk\, Russia) We present results of study and discussion of problems concerning the processes of the energy release and transpor t during gradual phases of solar flares. The most well-known object of g radual phase investigation is long-duration events (LDEs). They are char acterized by emission of the anomalously long-lived hot coronal plasma d uring several hours after the impulse phase. Observed phenomena could be either a result of a significant suppression of the thermal conductivit y or a continuous energy input. Also\, it could be a combination of both mechanisms. We found two C-class flares that showed an extraordinary lo ng flat emission in the X-ray flux curves in the 3-12 keV energy band. T he "flat emission" period was also observed at EUV and microwaves. The q uasi-periodic pulsations were detected in the evolution of the electron temperature. Analysis of the oscillations in microwave and ultraviolet e mission during the 7 June 2012 flare supports hypothesis that the wave e nergy\, coming from the sunspot to the flare site\, can keep up the plas ma emission by suppressing the plasma thermal conductivity. The prelimin ary analysis of the 21 July 2013 flare are presented. The results of bot h analyses are discussed from the point of view of different mechanisms explaining LDEs and the role of wave energy in them. LOCATION: CATEGORIES:CFSA Seminar LAST-MODIFIED:20140120T090534Z ORGANIZER;CN=Ben McMillan: END:VEVENT END:VCALENDAR