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Table 4
Estimated physical properties and molecular abundances of the P1 to P10 positions in IRDC G28.37+00.07.
| Parameter | P1 | P2 | P3 | P4 | P5 | P6 | P7 | P8 | P9 | P10 |
|---|---|---|---|---|---|---|---|---|---|---|
| RA (J2000) | 18:42:46.687 | 18:42:50.709 | 18:42:49.490 | 18:42:52.583 | 18:42:53.970 | 18:43:00.610 | 18:42:54.636 | 18:42:55.289 | 18:42:50.591 | 18:42:47.860 |
| Dec (J2000) | -4:04:08.830 | -4:03:14.763 | -4:02:21.514 | -4:02:44.647 | -4:02:31.320 | -4:01:32.639 | -4:00:52.451 | -4:01:21.835 | -4:02:47.469 | -4:03:08.458 |
| Σ (g cm−2) | 0.394 | 0.438 | 0.330 | 0.322 | 0.336 | 0.130 | 0.239 | 0.270 | 0.315 | 0.171 |
| 0.270 | 0.296 | 0.265 | 0.267 | 0.259 | 0.187 | 0.193 | 0.195 | 0.164 | 0.116 | |
| Nh (1023 cm−2) | 1.68 | 1.87 | 1.41 | 1.38 | 1.44 | 0.56 | 1.02 | 1.15 | 1.35 | 0.73 |
| 1.15 | 1.26 | 1.13 | 1.14 | 1.11 | 0.80 | 0.83 | 0.83 | 0.70 | 0.50 | |
| nH (104 cm−3) | 10.50 | 11.70 | 8.84 | 8.65 | 9.02 | 3.48 | 6.39 | 7.21 | 8.46 | 4.58 |
| 7.19 | 7.88 | 7.06 | 7.12 | 6.94 | 4.99 | 5.16 | 5.21 | 4.38 | 3.11 | |
| tff(yr) | 1.3 × 105 | 1.3 × 105 | 1.5 × 105 | 1.5 × 105 | 1.5 × 105 | 2.3 × 105 | 1.7 × 105 | 1.6 × 105 | 1.5 × 105 | 2.0 × 105 |
| Av,tot (mag) | 88.4 | 98.4 | 74.2 | 72.6 | 75.8 | 29.2 | 53.7 | 60.5 | 71.1 | 38.5 |
| 60.7 | 66.6 | 59.6 | 60.1 | 58.3 | 42.1 | 43.4 | 43.9 | 36.9 | 26.1 | |
| Āv (mag) | 22.1 | 24.6 | 18.6 | 18.2 | 19.0 | 7.3 | 13.4 | 15.1 | 17.8 | 9.6 |
| 15.2 | 16.6 | 14.9 | 15.0 | 14.6 | 10.5 | 10.9 | 11.0 | 9.2 | 6.5 | |
| T (K) | 11.8 | 13.1 | 13.5 | 13.4 | 13.8 | 14.1 | 14.9 | 13.6 | 13.3 | 13.6 |
| [C18O] (10−8) | 4.77 ± 1.47 | 4.31 ± 1.33 | 4.86 ± 1.50 | 5.19 ± 1.60 | 5.58 ± 1.72 | 11.00 ± 3.40 | 6.68 ± 2.06 | 5.79 ± 1.79 | 5.13 ± 1.58 | 6.43 ± 1.98 |
| [CO] (10−5) | 1.52 ± 0.56 | 1.37 ± 0.51 | 1.54 ± 0.57 | 1.65 ± 0.61 | 1.77 ± 0.65 | 3.51 ± 1.29 | 2.12 ± 0.78 | 1.84 ± 0.68 | 1.63 ± 0.60 | 2.05 ± 0.75 |
| [H13CO+] (10−11) | 1.02 ± 0.31 | 1.11 ± 0.34 | 0.87 ± 0.27 | 0.97 ± 0.30 | 1.02 ± 0.32 | 1.52 ± 0.48 | 0.84 ± 0.26 | 0.69 ± 0.22 | 0.96 ± 0.30 | 1.36 ± 0.42 |
| [HCO+] (10−10) | 4.11 ± 1.51 | 4.48 ± 1.64 | 3.49 ± 1.28 | 3.89 ± 1.43 | 4.10 ± 1.52 | 6.11 ± 2.27 | 3.37 ± 1.25 | 2.77 ± 1.04 | 3.84 ± 1.41 | 5.45 ± 2.01 |
| [HC18O+] (10−12) | 1.96 ± 0.69 | 1.84 ± 0.67 | 1.88 ± 0.74 | 1.64 ± 0.65 | 2.19 ± 0.78 | 1.40 ± 0.36 | ||||
| [HCO+] (10−10) | 6.23 ± 2.54 | 5.84 ± 2.43 | 5.96 ± 2.64 | 5.23 ± 2.31 | 6.98 ± 2.86 | 4.45 ± 1.45 | ||||
| [N2H+] (10−10) | 0.55 ± 0.17 | 1.79 ± 0.56 | 1.53 ± 0.47 | 1.52 ± 0.47 | 1.10 ± 0.34 | 2.62 ± 0.81 | 0.91 ± 0.28 | 0.80 ± 0.25 | 1.14 ± 0.35 | 1.47 ± 0.46 |
| [HN13C] (10−11) | 1.41 ± 0.43 | 1.61 ± 0.50 | 1.85 ± 0.57 | 1.64 ± 0.51 | 1.24 ± 0.39 | 2.85 ± 0.89 | 0.94 ± 0.30 | 0.91 ± 0.29 | 1.41 ± 0.44 | 1.88 ± 0.59 |
| [HNC] (10−10) | 5.65 ± 2.08 | 6.47 ± 2.37 | 7.43 ± 2.73 | 6.59 ± 2.43 | 4.97 ± 1.84 | 11.40 ± 4.24 | 3.79 ± 1.43 | 3.67 ± 1.38 | 5.66 ± 2.09 | 7.54 ± 2.80 |
| [HCN] (10−11) | 11.10 ± 3.44 | 10.30 ± 3.22 | 5.86 ± 1.88 | 8.16 ± 2.57 | 8.53 ± 2.69 | 26.60 ± 8.29 | 10.10 ± 3.28 | 10.50 ± 3.33 | 7.66 ± 2.40 | 10.00 ± 3.32 |
| [HNCO] (10−10) | 2.17 ± 0.74 | 4.29 ± 1.45 | 4.15 ± 1.41 | 3.45 ± 1.18 | 2.74 ± 0.94 | 1.91 ± 0.72 | 1.78 ± 0.64 | 1.40 ± 0.51 | 3.47 ± 1.18 | 4.32 ± 1.49 |
| [H2CO] (10−11) | 3.89 ± 1.26 | 10.40 ± 3.33 | 7.33 ± 2.37 | 7.66 ± 2.47 | 6.98 ± 2.25 | 3.31 ± 1.19 | 2.76 ± 0.94 | 2.19 ± 0.73 | 9.16 ± 2.95 | 9.94 ± 3.21 |
| [CH3OH] (10−9) | 0.52 ± 0.18 | 1.73 ± 0.60 | 1.74 ± 0.61 | 1.33 ± 0.46 | 1.26 ± 0.44 | 0.49 ± 0.18 | 0.45 ± 0.16 | 0.33 ± 0.12 | 1.54 ± 0.54 | 1.93 ± 0.67 |
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