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| What radio emissions originate from HXR (looptop) |
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| source
? |
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| Why is the whole active region involved? |
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| - | active
region as a system |
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| - | flare
as a global phenomena |
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| Why is there sometimes no decimeteric |
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| radiation? |
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| no beams visible |
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| no shocks visible |
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| no trapped particles visible |
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| Eidgenössische Technische Hochschule Zürich |
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| Swiss
Federal Institute of Technology,
Zürich |
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