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The Impulsive Phase in Solar Flares: Recent Multi-wavelength Results and their Implications for Microwave Modeling and Observations
Lyndsay Fletcher, Paulo J. A. Simoes
This short paper reviews several recent key observations of the processes occurring in the lower atmosphere (chromosphere and photosphere) during flares. These are: evidence for co…
Implosion of coronal loops during the impulsive phase of a solar flare
P. J. A. Simões, L. Fletcher, H. S. Hudson +1
We study the relationship between implosive motions in a solar flare, and the energy redistribution in the form of oscillatory structures and particle acceleration. The flare SOL20…
Impulsive Thermal X-ray Emission from a Low-lying Coronal Loop
Siming Liu, Youping Li, Lyndsay Fletcher
Understanding the relationship among different emission components plays an essential role in the study of particle acceleration and energy conversion in solar flares. In flares wh…
The emission measure distribution of impulsive phase flare footpoints
D. R. Graham, I. G. Hannah, L. Fletcher +1
The temperature distribution of the emitting plasma is a crucial constraint when studying the heating of solar flare footpoints. However, determining this for impulsive phase footp…
Propagation of Alfvénic Waves From Corona to Chromosphere and Consequences for Solar Flares
Alexander J. B. Russell, Lyndsay Fletcher
How do magnetohydrodynamic waves travel from the fully ionized corona, into and through the underlying partially ionized chromosphere, and what are the consequences for solar flare…