Joint session WG4/5 Points for discussion: - Soft-hard-soft spectral behaviour – again - Non-thermal pre-impulsive coronal sources - Very dense coronal loops (~ 10 11 cm -3 ) and other dense structures - Coronal sources that decrease in altitude (sometimes as footpoints approach), then increase - tiny inferred size of flare footpoints high beam flux and implications
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Joint session WG4/5 Points for discussion: - Soft-hard-soft spectral behaviour – again - Non-thermal pre-impulsive coronal sources - Very dense coronal.
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Joint session WG4/5
Points for discussion:
- Soft-hard-soft spectral behaviour – again
- Non-thermal pre-impulsive coronal sources
- Very dense coronal loops (~ 1011 cm-3) and other dense structures
- Coronal sources that decrease in altitude (sometimes as footpoints approach), then increase
- tiny inferred size of flare footpoints high beam flux and implications
30-50 keV intensity
30-50 keV / 20-30 keV intensity ratio
50-70 keV / 30-50 keV intensity ratio
Correlation between impulsive phase intensity and spectral hardness - ubiquitous