Coronal waves: hot structure and footprint of CME

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Coronal waves hot structure and footprint of CME
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(No Transcript)
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Be Thick Thin
1010 K gtTemperature gt 104 K, SXI filter ratio
gives 3-6 106 K
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Last brightening is footprint of CME leg
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Modelexpanding flux rope
projection view
top view
Electric current shell formed in the dynamic
phase when uz lt cA
weaker stronger J sheets
Delannée et al. (in press)
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Model in multipolar magnetic field
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Conclusions

• Coronal waves are hot structures.
• They stop at coronal hole, where the CME leg
  footprint is.
• They are possibly signature of opening of
  magnetic field lines near the solar surface.