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Table 5
Extracted astrochemical parameters of the best models in R, UR and XR regions, using observed abundances of [CO],[HCO+] and [N2H+] as Case 1, and all observed abundances as Case 2.
| XR | UR | R | ||
|---|---|---|---|---|
| [ζ/t/nh/T/Av/χ2] | [ζ/t/nh/T/Av/χ2] | [ζ/t/nh/T/Av/χ2] | ||
| P1 | Case 1 | 1.0e-18/1.70e5/1.0e5/15/20/0.11 | 1.0e-18/1.70e5/1.0e5/15/50/0.11 | 1.0e-19/2.00e7/2.2e4/20/5/0.10 |
| Case 2 | 4.6e-18/1.26e7/1.0e5/15/20/56.95 | 1.0e-18/1.00e8/2.2e5/20/10/37.75 | 4.6e-18/1.00e8/1.0e6/30/50/8.56 | |
| P2 | Case 1 | 2.2e-18/2.00e5/1.0e5/15/20/0.69 | 1.0e18/4.17e5/4.6e4/15/50/0.17 | 2.2e-19/2.24e6/1.0e4/15/5/0.02 |
| Case 2 | 2.2e-17/4.47e6/1.0e5/15/20/60.82 | 1.0e-16/1.45e5/2.2e5/10/10/42.64 | 1.0e-17/5.62e7/1.0e6/30/50/16.26 | |
| P3 | Case 1 | 2.2e-18/1.95e5/1.0e5/15/20/0.97 | 1.0e-18/3.98e5/4.6e4/15/10/0.49 | 2.2e-19/2.09e6/1.0e4/15/5/0.17 |
| Case 2 | 1.0e-17/6.92e6/1.0e5/15/20/66.17 | 2.2e-18/5.25e7/2.2e5/20/10/47.71 | 4.6e-18/1.00e8/1.0e6/30/50/18.56 | |
| P4 | Case 1 | 2.2e-18/1.91e5/1.0e5/15/20/0.86 | 1.0e-18/3.89e5/4.6e4/15/10/0.31 | 2.2e-19/2.00e6/1.0e4/15/5/0.03 |
| Case 2 | 1.0e-17/6.92e-17/1.0e5/15/20/64.20 | 2.2e-18/5.13e7/2.2e5/20/10/43.41 | 4.6e-18/1.00e8/1.0e6/30/50/15.68 | |
| P5 | Case 1 | 2.2e-18/1.74e5/1.0e5/15/20/0.48 | 1.0e-18/3.55e5/4.6e4/15/10/0.21 | 4.6e-19/7.59e5/2.2e4/15/5/0.13 |
| Case 2 | 1.0e-17/7.24e6/1.0e5/15/20/64.38 | 2.2e-18/5.13e7/2.2e5/20/10/43.08 | 4.6e-18/1.00e8/1.0e6/30/50/12.58 | |
| P6 | Case 1 | 4.6e-18/2.88e5/4.6e4/15/7/2.47 | 1.0e-18/7.24e5/2.2e4/15/5/1.73 | 4.6e-19/1.66e6/1.0e4/15/5/1.33 |
| Case 2 | 4.6e-17/2.51e5/4.6e4/15/7/53.73 | 4.6e-19/1.48e7/2.2e4/20/5/13.31 | 4.6e-19/1.48e7/2.2e4/20/5/13.31 | |
| P7 | Case 1 | 1.0e-18/3.31e5/4.6e4/15/10/0.72 | 2.2e-19/8.32e5/2.2e4/15/20/0.39 | 1.0e-19/2.00e6/1.0e4/15/7/0.21 |
| Case 2 | 2.2e-18/2.45e7/4.6e4/15/10/58.95 | 1.0e-18/1.00e8/1.0e5/20/7/39.32 | 4.6e-18/1.00e8/1.0e6/30/50/11.61 | |
| P8 | Case 1 | 4.6e-19/3.80e5/4.6e4/15/10/0.43 | 2.2e-19/8.13e5/2.2e4/15/7/0.27 | 1.0e-19/1.95e6/1.0e4/15/5/0.04 |
| Case 2 | 2.2e-18/2.45e7/4.6e4/15/10/55.88 | 1.0e-19/7.76e6/2.2e4/15/7/37.03 | 4.6e-18/1.00e8/1.0e6/30/50/12.06 | |
| P9 | Case 1 | 2.2e-18/1.78e5/1.0e5/15/20/0.48 | 1.0e-18/3.63e5/4.6e4/15/10/0.27 | 1.0e-19/2.34e6/1.0e4/15/100/0.12 |
| Case 2 | 1.0e-17/7.08e6/1.0e5/15/20/63.83 | 2.2e-18/5.13e7/2.2e5/20/10/44.47 | 4.6e-18/1.00e8/1.0e6/30/50/13.95 | |
| P10 | Case 1 | 2.2e-18/3.16e5/4.6e4/15/10/0.51 | 4.6e-19/7.94e5/2.2e4/15/20/0.20 | 2.2e-19/1.91e6/1.0e4/15/100/0.06 |
| Case 2 | 4.6e-18/1.38e7/4.6e4/15/10/60.40 | 2.2e-17/5.01e5/4.6e4/10/7/38.31 | 4.6e-18/1.00e8/1.0e6/30/50/14.36 | |
| Notes. The extracted parameters are ζ (s−1), time (yr), nH (cm−3), T (K), Av (mag) and x2, respectively from left to right. For the Case 2 in the XR region, we have excluded the models with higher ζ (>1.0e-14 s−1). Hence the models which could give us early time solution (<1.0e4 yr) were eliminated in consequence. | ||||
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