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Table 2
Typical PDR model output.
| Type of output | Specific quantities | Examples |
|---|---|---|
| Spatial structure (per position) | Physical conditions | Gas and dust temperature |
| Local FUV radiation field strength | ||
| Local photo-dissociation and photo-ionization rates | ||
| Heating and cooling rates | ||
| Energy level population of species of interest | ||
| Chemical conditions | Gas phase abundances of all included chemical species | |
| Possibly grain surface abundances | ||
| Ice mantle composition | ||
| Local chemical formation & Reaction rates | ||
| Integrated quantities | Column densities | Integrated across position grid |
| Spectral line emission | IR and FIR line emission | |
| Possibly UV and FUV emission (spatially resolved or averaged over an assumed telescope beam) | ||
| Continuum emission | Dust continuum emission (spectrally resolved or total) | |
| Possibly UV continuum emission | ||
| Spectral line optical depths | ||
| Possibly time evolution | All | Time-dependent output |
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