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SUMMARY:Emission measure distributions of solar eruptive events - Dr. Iain
  Hannah (University of Glasgow)
DTSTART:20131126T130000Z
DTEND:20131126T140000Z
UID:TALK48163@talks.cam.ac.uk
CONTACT:Dr. Jaroslav Dudik
DESCRIPTION:The current wealth of temperature sensitive solar observations
  presents a unique opportunity to study energy release in solar eruptive e
 vents (flares and CMEs). Data from SDO and Hinode gives an unprecedented v
 iew of dynamical heating in the solar atmosphere but to\nfully exploit thi
 s resource the underlying thermal properties of the emitting plasma (Emiss
 ion Measure Distribution\, EDM) needs to be recovered. This is difficult a
 s it is an ill-posed inverse problem and\, in the case of SDO/AIA\, there 
 is an overwhelming amount of data. Our recently implemented regularized in
 version method (Hannah & Kontar A&A 2012\, 2013) can quickly and robustly 
 find the EMD solution (and its uncertainties)\, with the resulting EM maps
  allowing the temperature and density evolution to be studied both spatial
 ly and temporally. I will present EMDs of flares\, microflares and eruptio
 ns\, discussing the thermal and heating properties\, as well as comparing 
 this to the non-thermal energy input derived from RHESSI hard X-ray observ
 ations.
LOCATION:MR14\,  Centre for Mathematical Sciences\, Wilberforce Road\, Cam
 bridge
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