Table 3
Summary of column densities in a 44″ beam.
| Molecule | Column density [cm-2] | Abundance w.r.t. H2 | |||||
| N(7 km s-1) | N(8 km s-1) | X(7 km s-1) | X(8 km s-1) | ||||
|
|
|||||||
| O2 | <1.2 × 1015(a) | (2.8–4.3) × 1015 | ≤5.7 × 10-9 | (1.3–2.1) × 10-8 | |||
| C18O | (3.2–6.1) × 1014 | (1.8–2.3) × 1015 | (1.7–3.0) × 10-9 | (4.3–2.2) × 10-7 | |||
| NO | <1.9 × 1014(a) | 2.3 × 1014 | ≤9.0 × 10-10 | 2.3 × 10-8 | |||
|
|
|||||||
| H2 | 2.1 × 1023(b) | 1 × 1022(c) | ... | ... | |||
Notes. See text for the conditions used for the calculations.
Beam averaged H2 column density in a 44″ beam obtained from the model of Kristensen et al. (2012).
Computed using the average C18O column density and abundance ratios of CO/H2 = 10-4 and CO/C18O = 550 (Wilson & Rood 1994).
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