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Table 1
Best-fit continuum corrected column densities at Tex = 106 ± 13 K for all the isotopologues of formaldehyde.
| Species | Ntot (cm−2) |
|---|---|
| H2CO | 1.9 × 1018 |
| H213CO | 3.6 × 1016 |
| H2C17O | 7.2 × 1014 |
| H2C18O | 2.3 ± 0.1× 1015 |
| HDCO | 1.3 ± 0.2 × 1017 |
| HDC18O | ≤1.4 ± 0.4 × 1014 |
| D2CO | 1.6 × 1016 |
| D213CO | 2.2 × 1014 |
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