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Table 3
Results of PAHTAT for the PDR with mixed mid-IR populations.
| Source | Integrated intensities [W m-2 sr-1] | PAH and eVSG fractions [%]a | Results | ||||||||
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| Iobs | Ibands | Icontinuum | Igas | PAH0 | PAH+ | PAHx | eVSG | S/Rb | feVSGc | AV | |
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| Horsehead | 8.3 × 10-6 | 4.1 × 10-6 | 3.7 × 10-6 | 3.9 × 10-7 | 32 | 2 | 1 | 64 | 238 | 0.78 | 6.5 |
| Ced 201 | 2.4 × 10-5 | 1.6 × 10-5 | 7.6 × 10-6 | 1.2 × 10-7 | 21 | 21 | 11 | 45 | 281 | 0.63 | ≲ 3 |
| IC 63 | 7.2 × 10-6 | 4.2 × 10-6 | 2.8 × 10-6 | 2.1 × 10-7 | 54 | 0 | 0 | 45 | 111 | 0.63 | ≲ 3 |
| P18 S | 4.8 × 10-5 | 3.2 × 10-5 | 1.5 × 10-6 | 3.5 × 10-7 | 48 | 18 | 10 | 22 | 303 | 0.37 | 10.0 |
| P18 N | 5.1 × 10-5 | 3.4 × 10-5 | 1.5 × 10-5 | 5.0 × 10-7 | 57 | 13 | 11 | 17 | 173 | 0.30 | 21.2 |
| Orion Bar | 9.9 × 10-3 | 3.9 × 10-3 | 5.8 × 10-3 | 4.8 × 10-5 | 59 | 32 | 0 | 8 | 161 | 0.15 | 8.9 |
Notes.
(c)
fraction of C atoms locked in eVSGs. See Eq. (4) for details.
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