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Table 5
Input parameters for the Meudon PDR code.
| Parameter | Value | |
|
|
||
| G 0 | Radiation field intensity | 5 × 105 |
|
External radiation field intensity | 100 |
| A V | Total cloud depth | 50 mag |
| Extinction | Standard Galactic | |
| R V | AV/EB − V | 3.1 |
| ζ | Cosmic ray ionization rate | 5 × 10-17 s-1 |
| a min | Dust minimum radius | 3 × 10-7 cm |
| a max | Dust maximum radius | 3 × 10-5 cm |
| α | MRN dust size distribution index | 3.5 |
| He/H | Helium abundance | 0.1 |
| O/H | Oxygen abundance | 3.2 × 10-4 |
| C/H | Carbon abundance | 1.3 × 10-4 |
| N/H | Nitrogen abundance | 7.5 × 10-5 |
| S/H | Sulfur abundance | 1.8 × 10-5 |
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