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Table A.3
Velocity integration range for each line imaged in Fig. 3.
| Freq. | Transition | G28.34 S | IRDC 18530 | IRDC 18306 | IRDC 18308 |
| (MHz) | (km s-1– km s-1) | (km s-1– km s-1) | (km s-1– km s-1) | (km s-1– km s-1) | |
|
|
|||||
| 85 139.103 | OCS | 77.84–81.75 | × | 53.29–56.31 ∗ | 76.69–79.71 ∗ |
| 85 338.894 | c-C3H2 (21,2 → 10,1) | 76.92–79.89 | × | 53.51–55.49 | 76.91–78.49 |
| 85 457.300 | CH3C2H (50 → 40) | 77.98–80.42 | × | 54.95–56.05 | 76.84–79.36 |
| 85 926.278 | NH2D (11,1,0s → 10,1,0a) | 75.19–81.61 | 74.47–77.33 | 52.77–57.23 | 74.45–81.95 |
| 86 340.163 | H13CN (J = 1 → 0,F = 2 → 1) | 76.92–79.88 | 73.31–76.69 | 52.94–54.66 | 76.16–77.84 |
| 86 754.288 | H13CO+ (J = 1 → 0) | 76.86–79.94 | 74.89–76.91 | 53.77–55.83 | 77.16–79.25 |
| 86 846.960 | SiO (J = 2 → 1) | 75.98–80.81 | 74.39–77.41 ∗ | 53.29–56.31 ∗ | 75.49–78.51 ∗ |
| 87 090.850 | HN13C (J = 1 → 0) | 76.91–79.89 | 74.84–76.56 | 53.88–56.12 | 77.16–79.24 |
| 87 316.898 | C2H (N = 1 → 0,J = 3/2 → 1/2,F = 2 → 1) | 76.95–79.85 | 74.97–76.83 | 53.53–55.27 | 76.12–77.88 |
| 87 925.237 | HNCO (40,4 → 30,3) | 77.06–79.74 | 74.12–75.88 | 53.73–55.87 | 75.41–78.59 |
| 88 631.848 | HCN (J = 1 → 0,F = 2 → 1) | 77.23–79.56 | 73.4–78.4 | 53.5–56.1 | 76.62–79.78 |
| 89 188.525 | HCO+ (J = 1 → 0) | 77.18–79.62 | 73.4–78.4 | 53.24–56.35 | 76.52–79.89 |
| 90 663.568 | HNC (J = 1 → 0) | 77.11–79.69 | 74.28–77.52 | 53.33–56.27 | 76.78–79.61 |
| 90 979.023 | HC3N (J = 10 → 9) | 76.72–80.08 | 74.79–77.01 | 53.63–55.97 | 76.74–78.86 |
| 92 494.308 | 13CS (J = 2 → 1) | 78.47–81.53 | 74.39–77.41 ∗ | 54.43–55.57 | 77.49–80.51 ∗ |
| 93173.700 | N2H+ (J = 1 → 0,F1 = 2 → 1) | 76.93–79.87 | 74.98–76.82 | 53.86–55.74 | 77.19–79.21 |
| 218 222.192 | H2CO | 77.69–80.31 | 75.28–76.52 ∗ | 54.18–55.42 ∗ | 77.58–78.82 ∗ |
| 219 560.354 | C18O | 76.55–80.25 | 74.69–77.11 | 53.83–55.77 | 77.23–79.17 |
| 220 398.684 | 13CO (J = 2 → 1) | 75.98–80.81 | 74.01–77.79 | 53.24–56.35 | 76.83–79.58 |
| 224 714.385 | C17O (J = 2 → 1) | 76.54–80.26 | × | 53.77–55.83 | 76.89–79.5 |
Notes. 1. “×” denotes no observations in our dataset. 2. “∗” denotes a line having <4σ detections; the integration range is given from three channels in total around the systematic Vlsr at its rest frequency.
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