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Table 3
Summary of the physical parameters defining the irradiation (G0, Teff) and the density profiles (n0, z0, γ) as well as the results of the dust property modelling (Ma_C/MH, amin,a-C, α).
| PDR | G0 | Teff [K] | D [pc] | Ma_C/MH | amin,a-C [nm] | α | n0 [H cm−3] | z0 [pc] | γ |
|---|---|---|---|---|---|---|---|---|---|
| IC63 | 1100 | 25 000 | 1 | (0.1 ± 0.01) × 10−2 | 0.70 ± 0.01 | −5 ± 0.1 | 1 × 105 | 0.004 | 2.5 |
| Horsehead | 100 | 35 000 | 3.5 | (0.02 ± 0.01) × 10−2 | 0.77 ± 0.03 | −6 ± 0.5 | 2 × 105 | 0.06 | 2.5 |
| Orion Bar | 26 000 | 38 000 | 0.25 | (0.0025 ± 0.0015) × 10−2 | <0.8 | < −5.5 | 1.5 × 105 | 0.025 | 2.5 |
| Diffuse ISM | 1 | − | − | 0.17 × 10−2 | 0.4 | −5 | − | − | − |
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