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Impulsive Phase High Energy Coronal Sources in Three RHESSI Flares View all project descriptions by submitter

Qingrong Chen Submitted: 17-Feb-2010 10:29

We are carrying out hard X-ray imaging and spectroscopic analysis of three solar flares observed by RHESSI on 2002 October 31, 2003 November 3, and 2005 September 8 that have coronal sources above 50 keV in addition to intense footpoint sources during the impulsive phase. These high energy coronal sources are mainly resolved by the Pixon and MEM_NJIT methods. The 2003 November 3 flare (X3.9 class) shows a loop top source up to 100-150 keV about 6-8" separated from the thermal loop, and another coronal source up to ~60-80 keV above the loop top. The 2002 October 31 flare has two coronal sources above the limb. The 2005 September 08 flare has two flaring loops resolved in hard X-ray and EUV.

Participants: Qingrong Chen, Vahe Petrosian

Project Status: Paper in preparation Go to main RHESSI project descriptions page  Derivation of Stochastic Acceleration Model Characteristics from RHESSI flares  Edit Entry 

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