Open Access
Table C.3.
PAH ratios of Orion from the measurements described in Appendix B.
| Region | 6.2/7.7 μm | 11.3/7.7 μm | Ref. |
|---|---|---|---|
| PAH ratio | PAH ratio | ||
| (1) | (2) | (3) | (4) |
| Orion H II region | 0.35±0.05 | 0.63±0.05 | This work |
| (d = 0.224 pc to θ1 Ori C) | |||
| Orion atomic PDR | 0.34±0.05 | 0.31±0.03 | This work |
| Orion dissociation front 1 | 0.38±0.07 | 0.29±0.03 | This work |
| Orion dissociation front 2 | 0.37±0.06 | 0.35±0.04 | This work |
| Orion dissociation front 3 | 0.33±0.04 | 0.33±0.03 | This work |
| NGC 6552 (AGN) | 0.22±0.03 | 0.43±0.05 | García-Bernete et al. 2022d |
| NGC 7319 (AGN) | [0.22-0.31] | < 1.75 | García-Bernete et al. 2022d |
| NGC 7469 (AGN) | 0.31±0.04 | 0.53±0.05 | García-Bernete et al. 2022d |
| Average SF regions of NGC 3256 | 0.30±0.02 | 0.29±0.02 | Rigopoulou et al. 2024 |
| Average SF-ring of NGC 7469 | 0.29±0.06 | 0.23±0.05 | García-Bernete et al. 2022d |
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