X-Ray Emission from Flare Collapsing Trap |
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Authors: | Marian Karlický |
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Institution: | (1) Astronomical Institute of the Academy of Sciences of the Czech Republic, CZ-25165 Ondřejov, Czech Republic |
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Abstract: | An acceleration process in the collapsing magnetic trap, formed in the flare with cusp magnetic field topology, is described.
Computations show that high-energy electrons are accumulated in the central part of the collapsing magnetic trap due to an
increase of their pitch angles. The effect explains in a natural way the formation of X-ray loop-top sources. Then, using
the model with the collapsing trap and considering only the adiabatic heating process, a possible explanation for the motion
of the X-ray loop-top source observed at the beginning of some cusp-type flares is presented. |
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Keywords: | solar flares X-ray emission loop-top sources |
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