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Table 2
Influence of the main parameters (magnetic turbulence level δB/B, coherence length lc, index of injection s with Emax = 10 PeV) on the upper limit of the fraction of mechanical energy converted into accelerated particles ξmax for NGC 2244 (Rosette Nebula) and NGC 1976 (Orion Nebula).
| ξmax(%) | ||||||
|
|
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| δB / B | l c | s | ||||
| Cluster | 10-2 | 102 | 0.5 pc | 2.0 pc | 1.5 | 2.5 |
|
|
||||||
| NGC 2244 | 5.95 | 5.10 | 5.88 | 5.88 | 16.06 | 0.85 |
| NGC 1976 | 7.53 | 1.28 | 6.29 | 7.34 | 23.12 | 0.90 |
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