Table 5
Column densities of C2H and c-C3 H2 in M8 and the Orion Bar.
| Species | Column densities log10(N) (cm−2) | |||
|---|---|---|---|---|
| Observed (a) | PDR model (b) | |||
| M8 | Orion | M8 | Orion | |
| C2H | 14.6 | 14.6 | 15 | 14.1–14.8 |
| c-C3H2 | 13.5 | 13.1 | 14.6–14.9 | 12.2–12.9 |
Notes. (a) Values for M8, calculated from Table 4 and for the Orion Bar, obtained from Cuadrado et al. (2015, Table 7). (b) Values for M8, obtained from the modeling results presented in Sect. 4.4 and for the Orion Bar, obtained from Cuadrado et al. (2015, Table 7).
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