Table 4
Influence of density n, size of acceleration region d, and scattering mean free path λ on spectral index of non-thermal electron distributions in the frame of the diffusive transport model.
| Density n | 5 × 109 | 4 × 1010 | 1011 |
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| δ C | 3.02 ± 0.01 | 2.84 ± 0.01 | 2.72 ± 0.01 |
| δFP, E> 50 keV | 2.02 ± 0.01 | 1.84 ± 0.01 | 1.77 ± 0.01 |
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| Size d (cm) | 2 × 108 | 6 × 108 | 12 × 108 |
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| δ C | 2.87 ± 0.01 | 2.84 ± 0.01 | 2.69 ± 0.01 |
| δFP, E> 50 keV | 1.63 ± 0.01 | 1.84 ± 0.01 | 2.14 ± 0.01 |
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| Lambda λ (cm) | 108 | 3 × 108 | 109 |
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| δ C | 2.70 ± 0.01 | 2.84 ± 0.01 | 2.96 ± 0.01 |
| δFP, E> 50 keV | 1.76 ± 0.01 | 1.84 ± 0.01 | 1.95 ± 0.01 |
Notes. The spectral indexes δC of the coronal spectra are measured with a linear regression between 25 and 65 keV; the spectral indexes δFP are measured in the same way between 50 keV and 100 keV. When n varies, d = 2 × 108 cm and λ = 3 × 108 cm; when d varies, n = 4 × 1010 cm-3 and λ = 3 × 108 cm; and when λ varies, n = 4 × 1010 cm-3 and d = 6 × 108 cm.
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