Table 4
Obtained column densities and D/H and D2/D ratios.
| Core number | c-C3H2 | c-C3HD | c-C3D2 | D/H | D/Hcorr | D2/D | D2/Dcorr |
|---|---|---|---|---|---|---|---|
| 264 | 1.8 ± 0.4×1013 | 4.4 ± 0.6×1011 | ≤5.7 ± 1.4×1010 | 0.024(0.006) | 0.012(0.003) | – | – |
| 317 | 5.0 ± 1.0×1012 | 2.0 ± 0.3×1011 | ≤6.6 ± 1.6×1010 | 0.040(0.010) | 0.020(0.005) | – | – |
| 321 | 6.3 ± 1.1×1012 | 6.6 ± 0.5×1011 | 7.4 ± 2.3×1010 | 0.103(0.019) | 0.052(0.010) | 0.112(0.036) | 0.224(0.071) |
| 326 | 8.0 ± 1.1×1012 | 1.5 ± 0.1×1012 | ≤5.4 ± 1.4×1010 | 0.185(0.031) | 0.092(0.015) | – | – |
| 413 | 8.1 ± 1.8×1013 | 2.1 ± 0.1×1012 | 9.5 ± 1.6×1010 | 0.026(0.006) | 0.013(0.003) | 0.045(0.008) | 0.090(0.017) |
| 504 | 1.8 ± 0.4×1013 | 1.1 ± 0.1×1012 | 1.3 ± 0.2×1011 | 0.065(0.017) | 0.032(0.009) | 0.118(0.020) | 0.236(0.040) |
| 615 | 2.1 ± 0.5×1013 | 4.3 ± 0.6×1011 | ≤5.1 ± 1.2×1010 | 0.020(0.006) | 0.010(0.003) | – | – |
| 627 | 1.7 ± 0.3×1013 | 5.4 ± 0.5×1011 | 9.3 ± 2.9×1010 | 0.031(0.006) | 0.016(0.003) | 0.173(0.056) | 0.347(0.112) |
| 709 | 1.6 ± 0.4×1013 | 4.0 ± 0.6×1011 | ≤4.6 ± 1.7×1010 | 0.024(0.006) | 0.012(0.003) | – | – |
| 715 | 9.4 ± 2.1×1012 | 2.1 ± 0.2×1011 | 5.8 ± 1.6×1010 | 0.022(0.006) | 0.011(0.003) | 0.276(0.084) | 0.552(0.168) |
| 746 | 1.6 ± 0.3×1013 | 7.2 ± 0.9×1011 | 1.0 ± 0.2×1011 | 0.044(0.010) | 0.022(0.005) | 0.142(0.038) | 0.285(0.075) |
| 752 | ≤4.2 ± 1.7×1012 | ≤3.1 ± 0.8×1011 | ≤5.6 ± 1.4×1010 | – | – | – | – |
| 768 | 4.3 ± 1.0×1013 | 4.2 ± 0.5×1011 | ≤5.0 ± 1.3×1010 | 0.010(0.003) | 0.005(0.001) | – | – |
| 799 | 2.8 ± 0.6×1013 | 6.0 ± 0.6×1011 | 9.8 ± 5.8×1010 | 0.022(0.005) | 0.011(0.003) | 0.164(0.098) | 0.328(0.197) |
| 800 | 3.0 ± 0.5×1013 | 1.9 ± 0.2×1012 | 1.6 ± 0.2×1011 | 0.064(0.012) | 0.032(0.006) | 0.084(0.013) | 0.169(0.027) |
| L1448 | – | 7.8 ± 1.9×1011 | 1.4 ± 0.3×1011 | – | – | 0.181(0.059) | 0.362(0.118) |
Notes. The ‘–’ symbol is used to indicate that towards the L1448 the c-C3H2 molecule was not targeted and also that some D/H and D2/D have not been able to be calculated due to one or more isotopologues not being detected. The D/H ratios have been corrected by dividing by two and the D2/D ones by multiplying by two. The upper limits correspond to the 3σ level.
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