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Table A.2
Gaussian fitting parameters (integrated intensity, velocity, FWHM, and intensity of HCO+, HNC, and C18O) with masking absorption dip toward the selected cores in the IRDCs.
| Core | SHCO+ | VHCO+ | ΔVHCO+ | IHCO+ | SHNC | VHNC | ΔVHNC | IHNC | SC18O | VC18O | ΔVC18O | IC18O |
| K km s-1 | km s-1 | km s-1 | K | K km s-1 | km s-1 | km s-1 | K | K km s-1 | km s-1 | km s-1 | K | |
|
|
||||||||||||
| G31-1 | 47.84 ± 0.57 | 95.25 ± 0.03 | 7.13 ± 0.05 | 6.31 ± 0.08 | 30.30 ± 0.39 | 95.04 ± 0.03 | 5.78 ± 0.05 | 4.92 ± 0.08 | 16.19 ± 0.65 | 95.79 ± 0.04 | 3.80 ± 0.11 | 4.01 ± 0.18 |
| G31-2 | 52.60 ± 0.73 | 94.65 ± 0.03 | 6.37 ± 0.04 | 7.76 ± 0.08 | 27.31 ± 0.39 | 94.44 ± 0.03 | 5.73 ± 0.05 | 4.48 ± 0.08 | 18.21 ± 1.11 | 95.41 ± 0.04 | 5.18 ± 0.15 | 3.30 ± 0.11 |
| G31-3 | 16.21 ± 0.16 | 93.67 ± 0.02 | 4.12 ± 0.05 | 3.69 ± 0.09 | 12.43 ± 0.17 | 93.89 ± 0.02 | 3.53 ± 0.05 | 3.31 ± 0.08 | 3.79 ± 0.01 | 94.59 ± 0.11 | 4.69 ± 0.06 | 0.76 ± 0.12 |
| G31-3 | 13.28 ± 0.16 | 99.68 ± 0.02 | 4.30 ± 0.06 | 2.90 ± 0.09 | 12.27 ± 0.17 | 99.29 ± 0.03 | 4.57 ± 0.07 | 2.52 ± 0.08 | 9.49 ± 0.14 | 98.72 ± 0.03 | 3.59 ± 0.04 | 2.48 ± 0.12 |
| G31-4 | 34.69 ± 0.61 | 96.60 ± 0.02 | 6.22 ± 0.07 | 5.24 ± 0.08 | 31.29 ± 0.71 | 96.81 ± 0.04 | 5.05 ± 0.05 | 5.82 ± 0.09 | 14.74 ± 3.03 | 97.10 ± 0.07 | 3.81 ± 0.25 | 3.64 ± 0.12 |
| G31-5 | 12.44 ± 0.83 | 96.22 ± 0.05 | 5.46 ± 0.21 | 2.14 ± 0.08 | 6.83 ± 0.14 | 96.42 ± 0.05 | 4.79 ± 0.10 | 1.34 ± 0.09 | 4.91 ± 0.13 | 96.62 ± 0.04 | 3.13 ± 0.10 | 1.47 ± 0.11 |
| G31-6 | 45.70 ± 0.35 | 95.15 ± 0.02 | 6.55 ± 0.03 | 6.55 ± 0.08 | 33.09 ± 0.47 | 95.26 ± 0.04 | 5.81 ± 0.05 | 5.35 ± 0.09 | 26.85 ± 0.84 | 96.56 ± 0.02 | 4.47 ± 0.08 | 5.65 ± 0.12 |
| G31-7 | 16.56 ± 0.60 | 94.85 ± 0.08 | 5.32 ± 0.09 | 2.92 ± 0.08 | 5.86 ± 0.09 | 93.50 ± 0.02 | 3.13 ± 0.06 | 1.76 ± 0.09 | 9.80 ± 0.82 | 95.47 ± 0.08 | 4.08 ± 0.18 | 2.26 ± 0.13 |
| G31-8 | 19.26 ± 0.36 | 95.11 ± 0.04 | 7.60 ± 0.11 | 2.38 ± 0.08 | 14.85 ± 0.41 | 95.37 ± 0.05 | 5.41 ± 0.09 | 2.58 ± 0.08 | 10.17 ± 0.46 | 96.48 ± 0.07 | 4.24 ± 0.13 | 2.25 ± 0.11 |
| G31-9 | 25.45 ± 0.26 | 95.83 ± 0.03 | 7.24 ± 0.07 | 3.30 ± 0.08 | 15.43 ± 0.15 | 96.38 ± 0.03 | 6.30 ± 0.08 | 2.30 ± 0.08 | 8.17 ± 0.13 | 97.55 ± 0.03 | 3.81 ± 0.08 | 2.01 ± 0.12 |
| G31-10 | 27.12 ± 0.28 | 93.39 ± 0.02 | 5.00 ± 0.05 | 5.10 ± 0.10 | 20.50 ± 0.28 | 93.71 ± 0.02 | 4.69 ± 0.06 | 4.11 ± 0.11 | 14.77 ± 0.32 | 93.64 ± 0.03 | 3.79 ± 0.09 | 3.66 ± 0.20 |
| G31-11 | 16.71 ± 0.23 | 96.36 ± 0.03 | 5.18 ± 0.06 | 3.03 ± 0.09 | 13.29 ± 0.18 | 96.39 ± 0.03 | 4.21 ± 0.07 | 2.97 ± 0.10 | 12.91 ± 0.17 | 96.22 ± 0.02 | 3.01 ± 0.05 | 4.02 ± 0.17 |
| G31-12 | 11.59 ± 0.29 | 94.72 ± 0.04 | 4.18 ± 0.07 | 2.61 ± 0.10 | 6.85 ± 0.11 | 95.72 ± 0.02 | 2.73 ± 0.06 | 2.36 ± 0.11 | 6.21 ± 0.31 | 95.29 ± 0.04 | 2.81 ± 0.17 | 2.08 ± 0.19 |
| G31-13 | 2.62 ± 0.10 | 97.03 ± 0.04 | 2.64 ± 0.13 | 0.93 ± 0.09 | 3.06 ± 0.09 | 96.51 ± 0.03 | 2.03 ± 0.08 | 1.42 ± 0.11 | 4.43 ± 0.15 | 96.54 ± 0.03 | 2.03 ± 0.08 | 2.05 ± 0.18 |
| G33-1 | 25.35 ± 1.12 | 106.40 ± 0.06 | 5.88 ± 0.16 | 4.05 ± 0.15 | 20.13 ± 0.45 | 106.00 ± 0.05 | 4.69 ± 0.08 | 4.03 ± 0.16 | 6.20 ± 0.25 | 106.60 ± 0.07 | 3.69 ± 0.18 | 1.58 ± 0.23 |
| G33-4 | 12.90 ± 0.61 | 106.30 ± 0.15 | 7.20 ± 0.24 | 1.68 ± 0.15 | 10.82 ± 0.44 | 106.20 ± 0.07 | 4.97 ± 0.18 | 2.05 ± 0.16 | 6.50 ± 0.27 | 106.40 ± 0.09 | 4.39 ± 0.21 | 1.39 ± 0.23 |
| G33-7 | 4.83 ± 0.29 | 107.00 ± 0.16 | 5.55 ± 0.36 | 0.82 ± 0.15 | 4.27 ± 0.32 | 106.50 ± 0.14 | 4.19 ± 0.28 | 0.96 ± 0.15 | 6.80 ± 0.69 | 106.30 ± 0.10 | 2.62 ± 0.14 | 2.44 ± 0.23 |
| G33-8 | 14.03 ± 0.43 | 104.70 ± 0.12 | 7.58 ± 0.19 | 1.74 ± 0.14 | 9.55 ± 0.62 | 103.80 ± 0.23 | 6.75 ± 0.32 | 1.33 ± 0.15 | 11.29 ± 1.04 | 104.60 ± 0.11 | 6.41 ± 0.42 | 1.66 ± 0.22 |
| G33-9 | 7.13 ± 0.33 | 105.40 ± 0.16 | 7.16 ± 0.31 | 0.94 ± 0.14 | 4.38 ± 0.84 | 106.10 ± 0.28 | 3.57 ± 0.34 | 1.15 ± 0.15 | 3.83 ± 0.23 | 106.70 ± 0.09 | 3.22 ± 0.23 | 1.12 ± 0.23 |
| G33-11 | 14.93 ± 0.45 | 105.20 ± 0.13 | 8.37 ± 0.20 | 1.67 ± 0.15 | 9.58 ± 0.27 | 104.70 ± 0.10 | 7.45 ± 0.24 | 1.21 ± 0.16 | 10.15 ± 0.64 | 105.30 ± 0.16 | 6.81 ± 0.35 | 1.40 ± 0.23 |
| G34-1 | 19.42 ± 0.23 | 58.85 ± 0.03 | 5.28 ± 0.06 | 3.45 ± 0.09 | 26.62 ± 0.15 | 58.07 ± 0.01 | 4.48 ± 0.03 | 5.58 ± 0.10 | 8.21 ± 0.19 | 57.31 ± 0.04 | 3.41 ± 0.09 | 2.27 ± 0.15 |
| G34-2 | 29.70 ± 1.25 | 57.82 ± 0.11 | 9.89 ± 0.21 | 2.82 ± 0.10 | 27.25 ± 0.31 | 57.81 ± 0.03 | 5.76 ± 0.05 | 4.44 ± 0.11 | 20.89 ± 0.22 | 56.98 ± 0.02 | 4.12 ± 0.04 | 4.76 ± 0.15 |
| G34-3 | 17.99 ± 0.23 | 60.81 ± 0.02 | 3.78 ± 0.05 | 4.47 ± 0.12 | 14.87 ± 0.14 | 59.70 ± 0.02 | 4.29 ± 0.05 | 3.26 ± 0.11 | 4.89 ± 0.12 | 58.67 ± 0.03 | 2.39 ± 0.07 | 1.92 ± 0.14 |
| G34-4 | 14.02 ± 0.52 | 57.35 ± 0.17 | 12.87 ± 0.46 | 1.02 ± 0.11 | 9.87 ± 0.15 | 56.65 ± 0.02 | 3.18 ± 0.06 | 2.92 ± 0.11 | 13.99 ± 0.31 | 57.52 ± 0.03 | 3.70 ± 0.07 | 3.55 ± 0.16 |
| G34-5 | 3.50 ± 0.18 | 57.89 ± 0.10 | 4.82 ± 0.30 | 0.68 ± 0.10 | 6.84 ± 0.14 | 57.88 ± 0.03 | 3.07 ± 0.07 | 2.09 ± 0.10 | 6.41 ± 0.12 | 57.73 ± 0.02 | 2.28 ± 0.05 | 2.64 ± 0.14 |
| G34-6 | 3.76 ± 0.11 | 59.50 ± 0.03 | 2.22 ± 0.09 | 1.59 ± 0.11 | 6.55 ± 0.12 | 58.61 ± 0.03 | 3.18 ± 0.07 | 1.94 ± 0.11 | 6.39 ± 0.13 | 58.17 ± 0.02 | 2.24 ± 0.05 | 2.69 ± 0.17 |
| G34-7 | 1.74 ± 0.11 | 59.48 ± 0.07 | 2.41 ± 0.20 | 0.68 ± 0.10 | 4.54 ± 0.15 | 58.21 ± 0.04 | 3.26 ± 0.12 | 1.31 ± 0.10 | 7.25 ± 0.13 | 57.90 ± 0.02 | 2.36 ± 0.05 | 2.88 ± 0.15 |
| G34-8 | 1.73 ± 0.08 | 59.15 ± 0.04 | 1.83 ± 0.11 | 0.89 ± 0.10 | 5.42 ± 0.20 | 57.59 ± 0.04 | 3.32 ± 0.11 | 1.53 ± 0.10 | 11.44 ± 0.39 | 57.37 ± 0.03 | 2.73 ± 0.09 | 3.93 ± 0.24 |
| G34-9 | 5.68 ± 0.11 | 59.61 ± 0.02 | 2.69 ± 0.06 | 1.98 ± 0.10 | 8.91 ± 0.12 | 58.69 ± 0.02 | 3.52 ± 0.05 | 2.38 ± 0.10 | 5.61 ± 0.12 | 57.96 ± 0.02 | 1.89 ± 0.05 | 2.78 ± 0.15 |
| G35-4 | 8.93 ± 0.12 | 43.76 ± 0.02 | 2.90 ± 0.05 | 2.89 ± 0.10 | 8.17 ± 0.12 | 44.15 ± 0.02 | 3.04 ± 0.05 | 2.53 ± 0.10 | 5.41 ± 0.19 | 45.68 ± 0.06 | 2.84 ± 0.08 | 1.79 ± 0.13 |
| G35-5 | 9.05 ± 0.12 | 43.85 ± 0.03 | 4.13 ± 0.07 | 2.06 ± 0.09 | 9.66 ± 0.10 | 44.29 ± 0.02 | 3.71 ± 0.04 | 2.45 ± 0.09 | 3.32 ± 0.10 | 45.93 ± 0.03 | 2.27 ± 0.09 | 1.38 ± 0.12 |
| G35-6 | 7.72 ± 0.17 | 44.94 ± 0.05 | 4.72 ± 0.12 | 1.54 ± 0.09 | 6.17 ± 0.14 | 45.35 ± 0.02 | 2.40 ± 0.06 | 2.42 ± 0.08 | 7.82 ± 0.32 | 44.39 ± 0.03 | 2.44 ± 0.08 | 3.01 ± 0.14 |
| G35-7 | 11.81 ± 0.15 | 45.77 ± 0.02 | 4.01 ± 0.06 | 2.77 ± 0.09 | 8.52 ± 0.14 | 45.79 ± 0.02 | 2.71 ± 0.04 | 2.95 ± 0.09 | 7.34 ± 0.38 | 44.55 ± 0.04 | 2.47 ± 0.09 | 2.79 ± 0.15 |
| G35-8 | 8.33 ± 0.16 | 44.59 ± 0.04 | 4.15 ± 0.08 | 1.89 ± 0.09 | 5.81 ± 0.19 | 44.95 ± 0.04 | 2.59 ± 0.06 | 2.11 ± 0.09 | 3.37 ± 0.09 | 45.26 ± 0.02 | 1.57 ± 0.05 | 2.01 ± 0.13 |
| G35-9 | 7.69 ± 0.17 | 44.69 ± 0.02 | 2.47 ± 0.06 | 2.92 ± 0.09 | 5.45 ± 0.11 | 44.87 ± 0.02 | 2.46 ± 0.05 | 2.08 ± 0.09 | 5.85 ± 0.24 | 45.69 ± 0.08 | 2.85 ± 0.15 | 1.93 ± 0.13 |
| G35-10 | 6.14 ± 0.11 | 45.88 ± 0.03 | 3.94 ± 0.08 | 1.46 ± 0.09 | 4.69 ± 0.09 | 45.96 ± 0.02 | 2.54 ± 0.06 | 1.73 ± 0.09 | 4.01 ± 0.31 | 44.94 ± 0.09 | 2.15 ± 0.15 | 1.75 ± 0.14 |
| G35-11 | 4.96 ± 0.09 | 45.99 ± 0.03 | 3.26 ± 0.07 | 1.43 ± 0.09 | 3.02 ± 0.08 | 46.12 ± 0.03 | 2.27 ± 0.07 | 1.25 ± 0.09 | 5.32 ± 0.08 | 44.90 ± 0.01 | 1.45 ± 0.02 | 3.46 ± 0.12 |
| G38-1 | 14.86 ± 0.21 | 42.01 ± 0.02 | 3.79 ± 0.06 | 3.69 ± 0.13 | 11.54 ± 0.21 | 42.16 ± 0.02 | 2.81 ± 0.05 | 3.86 ± 0.12 | 13.28 ± 0.20 | 42.07 ± 0.02 | 2.35 ± 0.03 | 5.32 ± 0.17 |
| G38-2 | 8.06 ± 0.13 | 41.63 ± 0.02 | 3.12 ± 0.06 | 2.43 ± 0.11 | 5.50 ± 0.09 | 41.82 ± 0.02 | 2.34 ± 0.04 | 2.21 ± 0.10 | 8.20 ± 0.09 | 41.63 ± 0.01 | 1.38 ± 0.02 | 5.57 ± 0.14 |
| G38-3 | 12.19 ± 0.22 | 42.57 ± 0.04 | 4.44 ± 0.08 | 2.58 ± 0.12 | 6.07 ± 0.13 | 42.92 ± 0.03 | 2.93 ± 0.08 | 1.95 ± 0.12 | 6.44 ± 0.16 | 42.09 ± 0.03 | 2.77 ± 0.08 | 2.18 ± 0.17 |
| G38-4 | 5.83 ± 0.14 | 42.06 ± 0.04 | 3.11 ± 0.09 | 1.76 ± 0.12 | 3.97 ± 0.11 | 42.24 ± 0.03 | 2.07 ± 0.06 | 1.80 ± 0.12 | 6.08 ± 0.13 | 42.00 ± 0.02 | 1.61 ± 0.04 | 3.54 ± 0.18 |
| G38-5 | 6.30 ± 0.10 | 41.51 ± 0.01 | 1.86 ± 0.04 | 3.19 ± 0.11 | 4.54 ± 0.08 | 41.60 ± 0.01 | 1.58 ± 0.03 | 2.71 ± 0.10 | 3.29 ± 0.10 | 41.57 ± 0.02 | 1.50 ± 0.06 | 2.05 ± 0.15 |
| G53-1 | 34.47 ± 0.26 | 21.75 ± 0.02 | 4.00 ± 0.03 | 8.09 ± 0.13 | 14.32 ± 0.11 | 21.55 ± 0.01 | 2.63 ± 0.03 | 5.11 ± 0.10 | 8.80 ± 0.12 | 21.85 ± 0.02 | 2.59 ± 0.04 | 3.20 ± 0.14 |
| G53-2 | 13.89 ± 0.31 | 23.05 ± 0.03 | 3.37 ± 0.06 | 3.87 ± 0.13 | 7.78 ± 0.11 | 22.68 ± 0.01 | 1.89 ± 0.03 | 3.86 ± 0.12 | 5.00 ± 0.13 | 22.49 ± 0.03 | 2.01 ± 0.06 | 2.34 ± 0.17 |
| G53-4 | 4.22 ± 0.12 | 21.64 ± 0.03 | 2.33 ± 0.08 | 1.70 ± 0.12 | 3.64 ± 0.09 | 21.64 ± 0.02 | 1.32 ± 0.04 | 2.58 ± 0.12 | 3.51 ± 0.10 | 21.68 ± 0.02 | 1.20 ± 0.04 | 2.74 ± 0.17 |
Notes. The duplicated sources, for example, G31-3, indicate that the corresponding spectra have two velocity components within core size.
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