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Table 1.
Derived column density and 14N/15N ratio.
| Species | Ntot (cm−2) | 14N/15N |
|---|---|---|
| N2D+ | (5.4 ± 0.3) × 1012 | – |
| N15ND+ | <7.0 × 109 | >730 |
| 15NND+ | <6.5 × 109 | >780 |
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