Open Access
Table A.2
32S/34S isotope ratios derived through the double isotope method with the J = 2−1 and J = 3−2 transitions of C34S and 13CS.
| Source | VLSR | RGC | Optical depth J = 2−1 | Corrections for optical depth | 32S/34S | ||||
|---|---|---|---|---|---|---|---|---|---|
| (km s−1) | (kpc) | CS | C34S | 13CS | f1 | f2 | 2−1 | 3−2 | |
| WB89-380 | −86.62 | 14.19 ± 0.92 | 3.111 ± 0.598 | 0.135 ± 0.137 | 0.035 ± 0.000 | 1.1 | 1.0 | 21.20 ± 4.01 | 24.98 ± 4.69 |
| WB89-391 | −85.93 | 14.28 ± 0.94 | 5.189 ± 0.996 | 0.223± 0.226 | 0.058 ± 0.001 | 1.1 | 1.0 | 24.39 ± 4.64 | 20.98 ± 4.04 |
| W3OH | −46.96 | 9.64 ± 0.03 | 8.520 ± 1.671 | 0.310±0.003 | 0.128± 0.001 | 1.2 | 1.1 | 26.15 ± 4.87 | 31.42 ± 5.85 |
| Orion-KL | 8.24 | 8.54 ± 0.00 | 6.035 ± 1.189 | 0.166±0.002 | 0.096±0.001 | 1.1 | 1.0 | 24.75 ± 5.24 | 25.41 ± 4.86 |
| PointC1 | −64.18 | 1.46 ± 0.15 | 0.588 ± 0.128 | 0.037± 0.000 | 0.021 ± 0.000 | 1.0 | 1.0 | 19.40 ± 4.55 | … |
| G359.13+00.03 | −2.03 | 2.12 ± 1.14 | 5.526 ± 1.188 | 0.420±0.004 | 0.179± 0.002 | 1.2 | 1.1 | 14.34 ± 4.11 | … |
| SgrC | −44.31 | 0.24 ± 0.07 | 0.538 ± 0.123 | 0.048 ± 0.000 | 0.025 ± 0.000 | 1.0 | 1.0 | 12.81 ± 2.95 | … |
| SgrC | 70.06 | 0.15 ± 0.03 | 0.406 ± 0.094 | 0.031 ± 0.000 | 0.019±0.000 | 1.0 | 1.0 | 14.87 ±3.38 | … |
| +20 km s−1 cloud | 6.80 | 0.03 ± 0.03 | 4.523 ± 1.030 | 0.293± 0.003 | 0.200±0.002 | 1.2 | 1.1 | 14.65 ± 3.20 | 15.13 ± 3.31 |
| G359.61−00.24 | 19.33 | 5.51 ± 0.15 | 4.307 ± 0.874 | 0.219± 0.002 | 0.092±0.001 | 1.1 | 1.0 | 18.75 ± 3.66 | 21.66 ± 4.20 |
| +50 km s−1 cloud | 46.78 | 0.02 ± 0.04 | 3.096 ± 0.717 | 0.203± 0.002 | 0.147 ± 0.001 | 1.1 | 1.1 | 14.46 ± 3.20 | 14.59 ± 3.23 |
| CloudD | 23.32 | 0.67 ± 0.17 | 0.641 ± 0.144 | 0.040± 0.000 | 0.026±0.000 | 1.0 | 1.0 | 14.47 ± 3.16 | … |
| G000.37+00.03 | 39.98 | 0.19 ± 2.88 | 5.508 ± 1.266 | 0.283± 0.003 | 0.254± 0.003 | 1.1 | 1.1 | 15.78 ±4.38 | … |
| G0.25 | 10.68 | 0.76 ± 0.53 | 1.590 ± 0.352 | 0.102± 0.001 | 0.061 ± 0.001 | 1.1 | 1.0 | 14.52 ± 3.20 | … |
| G0.25 | 38.59 | 0.37 ± 0.04 | 1.269 ± 0.290 | 0.091 ±0.001 | 0.057± 0.001 | 1.0 | 1.0 | 14.79 ± 3.43 | 15.72 ± 3.98 |
| G000.31−00.20 | 18.43 | 5.25 ± 0.36 | 2.876 ±0.585 | 0.158± 0.002 | 0.063 ± 0.001 | 1.1 | 1.0 | 15.71 ± 3.47 | 15.97±3.54 |
| SgrB2 | 53.93 | 0.44 ± 0.70 | 3.404 ± 0.780 | 0.207±0.002 | 0.154± 0.002 | 1.1 | 1.1 | 17.47 ±3.83 | 17.83 ± 3.91 |
| SgrB2 | 80.88 | 0.41 ± 0.02 | 1.318 ± 0.304 | 0.083 ± 0.001 | 0.062±0.001 | 1.0 | 1.0 | 17.09 ± 3.78 | 16.40 ± 3.65 |
| G1.28+0.07 | 98.64 | 0.30 ± 0.03 | 0.991 ± 0.225 | 0.048 ± 0.000 | 0.043 ± 0.000 | 1.0 | 1.0 | 12.45 ± 2.92 | … |
| G1.28+0.07 | 177.50 | 0.18 ± 0.00 | 0.817 ± 0.187 | 0.049± 0.000 | 0.037± 0.000 | 1.0 | 1.0 | 15.65 ± 3.66 | … |
| SgrD | −15.20 | 2.93 ± 3.62 | 6.357 ± 1.342 | 0.422±0.004 | 0.183± 0.002 | 1.2 | 1.1 | 14.41 ± 2.92 | 18.67±3.79 |
| SgrD | 40.31 | 0.76 ± 0.18 | 1.060 ± 0.238 | 0.072± 0.001 | 0.043 ± 0.000 | 1.0 | 1.0 | 15.48 ± 3.42 | 13.16 ± 2.99 |
| SgrD | 63.37 | 0.45 ± 0.07 | 0.448 ± 0.102 | 0.024± 0.000 | 0.020±0.000 | 1.0 | 1.0 | 15.62 ± 4.08 | … |
| G001.00−00.23 | 0.97 | 2.94 ± 7.03 | 9.963 ± 2.102 | 0.486± 0.005 | 0.286±0.003 | 1.3 | 1.2 | 13.02 ± 3.60 | … |
| Clump2 | 14.19 | 4.20 ± 1.65 | 2.093 ± 0.428 | 0.085 ± 0.001 | 0.048 ± 0.000 | 1.0 | 1.0 | 37.16 ± 7.62 | … |
| Clump2 | 80.82 | 1.06 ± 0.10 | 1.500 ± 0.331 | 0.084±0.001 | 0.057± 0.001 | 1.0 | 1.0 | 19.46 ± 4.19 | 14.69 ± 3.70 |
| Clump2 | 141.00 | 0.60 ± 0.03 | 1.982 ± 0.445 | 0.113±0.001 | 0.082±0.001 | 1.1 | 1.0 | 25.43 ± 5.70 | … |
| PointD1 | 117.60 | 1.24 ± 0.07 | 0.340 ± 0.075 | 0.026± 0.000 | 0.012± 0.000 | 1.0 | 1.0 | 14.02 ± 2.99 | … |
| G006.79−00.25 | 20.88 | 4.75 ± 0.25 | 10.743 ± 2.200 | 0.529± 0.005 | 0.247± 0.002 | 1.3 | 1.1 | 18.09 ± 3.53 | 21.30 ± 4.16 |
| G007.47+00.05 | −14.58 | 12.35 ± 2.49 | 4.106 ± 0.794 | 0.146±0.001 | 0.052±0.001 | 1.1 | 1.0 | 26.53 ± 5.92 | 29.52 ± 6.31 |
| G010.32−00.15 | 12.00 | 5.34 ± 0.29 | 5.185 ± 1.054 | 0.252± 0.003 | 0.112±0.001 | 1.1 | 1.1 | 19.19 ±3.73 | 21.62 ± 4.20 |
| G010.62−00.33 | −3.68 | 5.49 ± 0.56 | 2.809 ± 0.570 | 0.170±0.002 | 0.060±0.001 | 1.1 | 1.0 | 15.67 ± 3.52 | 18.19 ± 4.57 |
| G011.10−00.11 | 29.91 | 4.26 ± 0.21 | … | … | … | … | … | … | 19.39 ± 5.60 |
| G013.71−00.08 | 46.81 | 4.59 ± 0.18 | … | … | … | … | … | … | 17.28 ±4.84 |
| G015.66−00.49 | -5.54 | 3.99 ± 0.50 | 2.177 ± 0.451 | 0.096±0.001 | 0.055 ± 0.001 | 1.0 | 1.0 | 31.04 ± 8.76 | 22.91 ± 5.41 |
| G016.86−02.15 | 17.60 | 5.97 ± 0.47 | 5.396 ± 1.089 | 0.244± 0.002 | 0.110± 0.001 | 1.1 | 1.1 | 22.62 ± 4.36 | 24.20 ± 4.66 |
| G017.02−02.40 | 19.91 | 6.40 ± 0.36 | 4.005 ± 0.805 | 0.191 ± 0.002 | 0.078 ± 0.001 | 1.1 | 1.0 | 20.71 ± 3.98 | 23.03 ± 4.42 |
| G017.63+00.15 | 22.41 | 6.77 ± 0.04 | 3.027 ± 0.606 | 0.126± 0.001 | 0.057± 0.001 | 1.1 | 1.0 | 18.19 ± 3.84 | 22.05 ± 4.91 |
| G018.34+01.76 | 33.53 | 6.31 ± 0.07 | 2.168 ± 0.436 | 0.109± 0.001 | 0.043 ± 0.000 | 1.1 | 1.0 | 18.72 ± 3.60 | 21.29 ± 4.08 |
| G019.00−00.02 | 59.71 | 4.55 ± 0.84 | 2.031 ± 0.417 | 0.117± 0.001 | 0.048 ± 0.000 | 1.1 | 1.0 | 21.11 ± 5.23 | … |
| G019.36−00.03 | 26.40 | 5.58 ± 0.49 | 7.251 ± 1.470 | 0.381 ± 0.004 | 0.153± 0.002 | 1.2 | 1.1 | 17.51 ± 3.39 | 20.09 ± 3.89 |
| G022.35+00.06 | 84.17 | 4.49 ± 1.46 | 3.948 ± 0.811 | 0.200± 0.002 | 0.094± 0.001 | 1.1 | 1.0 | 13.31 ± 3.31 | 17.13±4.21 |
| G023.20−00.37 | 77.61 | 4.64 ± 0.43 | 6.823 ± 1.399 | 0.341 ± 0.003 | 0.159± 0.002 | 1.2 | 1.1 | 22.17 ± 4.73 | 18.57 ± 3.76 |
| G023.38+00.18 | 75.57 | 4.22 ± 0.37 | 3.793 ± 0.783 | 0.148 ± 0.001 | 0.093 ± 0.001 | 1.1 | 1.0 | 18.72 ± 4.97 | … |
| G023.43−00.18 | 102.10 | 3.63 ± 0.49 | 5.077 ± 1.057 | 0.284± 0.003 | 0.133± 0.001 | 1.1 | 1.1 | 17.21 ± 3.43 | 18.44 ± 3.68 |
| G024.63−00.32 | 42.69 | 4.75 ± 0.53 | 4.346 ± 0.890 | 0.223± 0.002 | 0.100±0.001 | 1.1 | 1.1 | 25.42 ± 5.86 | … |
| G024.78+00.08 | 110.70 | 3.51 ± 0.15 | 14.485 ± 3.024 | 0.743± 0.007 | 0.386± 0.004 | 1.4 | 1.2 | 17.50 ± 3.48 | 20.84 ± 4.14 |
| G024.85+00.08 | 109.00 | 3.85 ± 0.23 | 5.589 ± 1.160 | 0.301 ± 0.003 | 0.143± 0.001 | 1.2 | 1.1 | 17.84 ± 3.76 | 17.87 ± 3.70 |
| G028.14−00.00 | 98.72 | 3.96 ± 0.21 | 3.678 ± 0.762 | 0.315± 0.003 | 0.093 ± 0.001 | 1.2 | 1.0 | 13.29 ± 3.64 | 14.86 ± 3.97 |
| G028.30−00.38 | 85.55 | 4.71 ± 0.26 | 4.379 ± 0.897 | 0.185 ± 0.002 | 0.101 ±0.001 | 1.1 | 1.1 | 20.14 ± 4.22 | 21.64 ± 4.55 |
| G028.39+00.08 | 78.01 | 4.83 ± 0.17 | 8.785 ± 1.797 | 0.320± 0.003 | 0.201 ± 0.002 | 1.2 | 1.1 | 22.33 ± 4.37 | 21.50 ± 4.19 |
| G028.83−00.25 | 87.19 | 4.50±0.48 | 7.885 ± 1.620 | 0.420±0.004 | 0.187± 0.002 | 1.2 | 1.1 | 17.23 ± 3.37 | 19.00±3.72 |
| G030.19−00.16 | 103.10 | 4.74 ± 0.11 | 3.792 ± 0.777 | 0.199± 0.002 | 0.087± 0.001 | 1.1 | 1.0 | 13.89 ± 3.24 | 17.04 ± 3.72 |
| G030.22−00.18 | 103.90 | 5.43 ± 0.26 | 2.214 ± 0.449 | 0.135± 0.001 | 0.047± 0.000 | 1.1 | 1.0 | 13.01 ± 3.94 | 32.85 ± 8.06 |
| G030.41−00.23 | 105.10 | 5.17 ± 0.20 | 2.345 ± 0.478 | 0.127± 0.001 | 0.052±0.001 | 1.1 | 1.0 | 23.09 ± 5.08 | 23.79 ± 5.42 |
| G030.70−00.06 | 89.94 | 4.20 ± 0.10 | 11.017 ± 2.274 | 0.495± 0.005 | 0.270± 0.003 | 1.3 | 1.1 | 21.56 ± 4.24 | 22.96 ± 4.51 |
| G030.74−00.04 | 91.83 | 5.76 ± 0.36 | 9.418 ± 1.905 | 0.437± 0.004 | 0.195 ±0.002 | 1.2 | 1.1 | 19.79 ± 3.82 | 22.80 ± 4.39 |
| G030.78+00.20 | 81.94 | 4.19 ± 0.05 | 6.244 ± 1.289 | 0.342±0.003 | 0.153± 0.002 | 1.2 | 1.1 | 15.01 ± 3.26 | 18.83 ± 3.91 |
| G030.81−00.05 | 98.90 | 5.73 ± 0.24 | 9.272 ± 1.876 | 0.337± 0.003 | 0.193 ±0.002 | 1.2 | 1.1 | 24.57 ± 4.74 | 25.88 ± 4.98 |
| G031.24−00.11 | 21.08 | 7.48 ± 2.00 | 3.306 ±0.658 | 0.135± 0.001 | 0.059 ± 0.001 | 1.1 | 1.0 | 24.86 ± 5.18 | 22.93 ± 4.53 |
| G032.74−00.07 | 37.21 | 4.55 ± 0.23 | 5.966 ± 1.225 | 0.254±0.003 | 0.140± 0.001 | 1.1 | 1.1 | 19.81 ± 3.89 | 22.14 ± 4.33 |
| G032.79+00.19 | 14.15 | 5.26 ± 1.57 | 3.793 ± 0.772 | 0.192± 0.002 | 0.083 ± 0.001 | 1.1 | 1.0 | 19.77 ±3.83 | 21.92 ± 4.25 |
| G034.41+00.23 | 57.73 | 5.99 ± 0.06 | 4.573 ± 0.923 | 0.211 ± 0.002 | 0.093 ± 0.001 | 1.1 | 1.0 | 21.42 ± 4.13 | 24.13 ± 4.64 |
| G034.79−01.38 | 45.95 | 6.21 ± 0.09 | 13.430 ± 2.704 | 0.625± 0.006 | 0.267± 0.003 | 1.3 | 1.1 | 18.70 ± 3.60 | 22.32 ± 4.30 |
| G035.79−00.17 | 61.48 | 5.27 ± 0.43 | 4.295 ± 0.874 | 0.227 ± 0.002 | 0.094 ± 0.001 | 1.1 | 1.0 | 18.58 ±4.89 | 23.95 ± 5.17 |
| G036.11+00.55 | 76.15 | 5.45 ± 0.43 | 9.082 ± 1.844 | 0.416 ± 0.004 | 0.194 ± 0.002 | 1.2 | 1.1 | 16.78 ± 4.34 | 23.71 ± 5.64 |
| G037.42+01.51 | 43.87 | 6.78 ± 0.05 | 2.584 ± 0.517 | 0.118 ± 0.001 | 0.049 ± 0.000 | 1.1 | 1.0 | 21.29 ± 4.06 | 23.33 ± 4.45 |
| G038.11−00.22 | 83.12 | 5.55 ± 0.25 | 5.925 ± 1.201 | 0.277 ± 0.003 | 0.125 ± 0.001 | 1.1 | 1.1 | 21.63 ± 5.23 | 21.60± 5.00 |
| G040.28−00.21 | 73.65 | 6.02 ± 0.10 | 6.889 ± 1.390 | 0.348 ± 0.003 | 0.139 ± 0.001 | 1.2 | 1.1 | 19.54 ± 4.06 | 21.71 ± 4.32 |
| G040.42+00.70 | 12.50 | 8.46± 1.67 | 2.892 ± 0.571 | 0.194± 0.196 | 0.047 ± 0.000 | 1.1 | 1.0 | 16.43 ± 6.11 | 28.68 ± 6.15 |
| G040.62−00.13 | 32.84 | 8.24 ± 2.50 | 2.458 ± 0.486 | 0.108 ± 0.001 | 0.041 ± 0.000 | 1.1 | 1.0 | 25.95 ± 5.94 | 25.00± 6.17 |
| G043.03−00.45 | 57.54 | 5.84 ± 0.33 | 5.524 ± 1.116 | 0.229 ± 0.002 | 0.114± 0.001 | 1.1 | 1.1 | 22.25 ± 4.63 | 22.26 ± 4.50 |
| G045.45+00.06 | 58.08 | 6.41 ± 0.50 | 4.570 ± 0.918 | 0.211 ± 0.002 | 0.089 ± 0.001 | 1.1 | 1.0 | 24.64 ± 4.99 | 25.31 ± 5.02 |
| G045.49+00.12 | 60.59 | 5.96 ± 0.24 | 5.985 ± 1.208 | 0.174± 0.002 | 0.122± 0.001 | 1.1 | 1.1 | 14.53 ±3.84 | … |
| G045.80−00.35 | 59.12 | 6.08 ± 0.32 | 6.549 ± 1.320 | 0.300 ± 0.003 | 0.132± 0.001 | 1.2 | 1.1 | 16.95 ±3.98 | 22.31 ± 4.84 |
| G048.99−00.29 | 68.01 | 6.18 ± 0.02 | 2.061 ± 0.415 | 0.106 ± 0.001 | 0.041 ± 0.000 | 1.1 | 1.0 | 20.75 ± 4.21 | 21.64± 4.32 |
| G049.59−00.24 | 57.06 | 6.27 ± 0.02 | 2.366 ± 0.476 | 0.157 ± 0.158 | 0.047 ± 0.000 | 1.1 | 1.0 | 13.99 ±5.57 | 18.91 ± 5.12 |
| W51-IRS2 | 61.09 | 6.22 ± 0.06 | 2.989 ± 0.602 | 0.141 ± 0.001 | 0.059 ± 0.001 | 1.1 | 1.0 | 21.84 ± 4.18 | 23.81 ± 4.56 |
| G054.10−00.08 | 38.45 | 6.64 ± 0.04 | 4.402 ± 0.883 | 0.198 ± 0.002 | 0.084 ± 0.001 | 1.1 | 1.0 | 19.72 ± 4.24 | 21.14 ± 4.46 |
| G058.77+00.64 | 32.36 | 7.05 ± 0.06 | 2.964 ± 0.592 | 0.150 ± 0.002 | 0.055 ± 0.001 | 1.1 | 1.0 | 22.44 ±5.12 | 21.72 ± 4.74 |
| G059.83+00.67 | 34.70 | 7.07 ± 0.00 | 3.534 ± 0.706 | 0.176± 0.002 | 0.065 ± 0.001 | 1.1 | 1.0 | 18.31 ± 4.32 | 22.08 ± 4.58 |
| G060.57−00.18 | 4.84 | 8.29 ± 0.52 | 4.541 ± 0.898 | 0.140± 0.001 | 0.075 ± 0.001 | 1.1 | 1.0 | 23.60 ± 9.45 | 42.80± 12.23 |
| G071.31+00.82 | 9.00 | 8.02 ± 0.16 | 4.412 ± 0.874 | 0.195 ± 0.002 | 0.075 ± 0.001 | 1.1 | 1.0 | 17.34 ± 3.80 | 22.69 ± 4.66 |
| G071.52−00.38 | 10.65 | 7.82 ± 0.04 | 2.923 ± 0.580 | 0.117 ± 0.001 | 0.050 ± 0.001 | 1.1 | 1.0 | 14.12 ± 4.52 | … |
| G073.65+00.19 | −73.62 | 13.54± 2.90 | 3.881 ± 0.747 | 0.141 ± 0.001 | 0.045 ± 0.000 | 1.1 | 1.0 | 28.94 ± 6.82 | 31.38 ± 6.33 |
| G075.29+01.32 | −56.64 | 10.69± 0.58 | 3.360 ± 0.655 | 0.143 ± 0.001 | 0.047 ± 0.000 | 1.1 | 1.0 | 25.97 ±5.10 | 23.37 ± 4.50 |
| DR21 | −2.50 | 8.10 ± 0.00 | 6.458 ± 1.278 | 0.285 ± 0.003 | 0.108 ± 0.001 | 1.1 | 1.1 | 21.92 ± 4.12 | 24.85 ± 4.67 |
| G090.92+01.48 | −71.92 | 10.13 ± 0.63 | 3.569 ± 0.698 | 0.139 ± 0.001 | 0.052 ± 0.001 | 1.1 | 1.0 | 22.08 ± 4.36 | 26.30 ± 5.12 |
| G097.53+03.18 | −71.18 | 11.81 ± 0.70 | 4.859 ± 0.942 | 0.181 ± 0.002 | 0.063 ± 0.001 | 1.1 | 1.0 | 27.98 ± 5.21 | 28.27 ± 5.24 |
| G108.20+00.58 | −50.70 | 10.43 ± 0.48 | 1.816 ± 0.355 | 0.109 ± 0.110 | 0.026 ± 0.000 | 1.1 | 1.0 | 21.62 ± 5.66 | 21.84± 6.25 |
| G109.87+02.11 | −10.88 | 8.49 ± 0.01 | 2.944 ± 0.582 | 0.141 ± 0.001 | 0.048 ± 0.000 | 1.1 | 1.0 | 20.98 ± 3.97 | 22.24 ± 4.24 |
| NGC7538 | −57.12 | 9.47± 0.07 | 3.293 ± 0.646 | 0.136 ± 0.001 | 0.050 ± 0.000 | 1.1 | 1.0 | 23.92 ± 4.46 | 25.81 ± 4.81 |
Notes. Velocities were obtained from measurements of C34S, see Table A.3. The 32S/34S isotope ratios from the J = 2−1 transition are corrected for the optical depth effect and the ones in the 3−2 line without corrections of opacity.
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