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Table 3
Intensity ratios from the observed 12C and 13C isotopomers.
| Source | Velocity component | Velocity range | HCO+/H13CO+ | HCN/H13CN | HNC/HN13C |
| LSR [kms-1] | [kms-1] | ratio of  |
ratio of  |
ratio of |
|
|
|
|||||
| Halo 1 | 100 | [50, 190] | 45.5 ± 5.4 | 13.5 ± 0.2 | ≥25.6 |
| 87 | [50, 97] | ≥73.9 | 25.8 ± 2.0 | ≥7.5 | |
| 117 | [97, 135] | 32 ± 3.7 | 11.3 ± 0.1 | ≥37.5 | |
| 144 | [135, 190] | 39.1 ± 24.7 | 16.7 ± 1.8 | ≥2.7 | |
| Halo 2 | −62 | [−115, −20] | 73.1 ± 36.5 | 14.6 ± 1.0 | ≥15.4 |
| left wing | [−115, −70] | ≥34.4 | 21.2 ± 3.3 | ≥8 | |
| right wing | [−70, −20] | 53.2 ± 26.1 | 11.6 ± 0.9 | ≥13.6 | |
| Halo 3 | −60 | [−120, −30] | 38 ± 5.0 | 13 ± 0.3 | ≥40.1 |
| left wing | [−120, −80] | 54.2 ± 37.7 | 19.2 ± 1.9 | ≥10.4 | |
| central peak | [−80, −30] | 35.7 ± 4.0 | 12 ± 0.2 | 48.3 ± 21.8 | |
| Halo 4 | 200 | [150, 250] | 28.3 ± 5.4 | 11.8 ± 0.9 | 14.9 ± 3.1 |
| peak | [150, 210] | 29.2 ± 7.5 | 11.7 ± 0.8 | 17.9 ± 3.9 | |
| right wing | [210, 250] | ≥10.6 | 12.4 ± 4.0 | 7.1 ± 3.4 | |
| Halo 5 | −50 | [−100, −40] | 13.8 ± 5.0 | 6.9 ± 0.3 | 22.8 ± 12 |
| Disk X1-1 | 180 | [140, 230] | 56 ± 6.4 | 10.8 ± 0.1 | 25.5 ± 7.5 |
| left wing | [140, 180] | 57.2 ± 7.5 | 11.6 ± 0.1 | ≥8 | |
| right wing | [180, 230] | 54.4 ± 11 | 9.9 ± 0.2 | 15.7 ± 4.4 | |
| Disk X2-1 | 95 | [50, 140] | 29 ± 1.6 | 12.1 ± 0.2 | 22.1 ± 2.7 |
| left wing | [50, 92] | 32.4 ± 3.7 | 13.9 ± 0.4 | 22.8 ± 4.0 | |
| right wing | [92, 140] | 27.3 ± 1.7 | 11.3 ± 0.2 | 21.7 ± 8.6 | |
| Disk X1-2 | 67 | [0, 100] | 42.1 ± 8.6 | 9.4 ± 0.1 | 9.9 ± 1.3 |
| Disk X2-2 | −43 | [−80, −20] | 21.7 ± 1.9 | 6.6 ± 0.1 | 13.1 ± 1.0 |
| Disk 1 | 66 | [35, 105] | 14.0 ± 2.8 | 13.1 ± 1.0 | 15.8 ± 3.6 |
| central peak | [35, 70] | 16.4 ± 4.6 | 23.1 ± 3.8 | ≥11.4 | |
| right wing | [70, 105] | 11.6 ± 3.4 | 7.8 ± 0.7 | 11.7 ± 2.7 | |
| Disk 2 | left wing | [0, 43] | ≥29.1 | 9.1 ± 0.2 | ≥21.9 |
| 55 | [43, 97] | 4.1 ± 0.1 | 3.5 ± 0.1 | 3.7 ± 0.1 | |
| right wing | [97, 135] | 16.1 ± 2.3 | 13.8 ± 1.3 | ≥2.6 | |
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