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Table A.3
Parameters of the identified NH2D cores: size, temperature, mass, density, and deuterium fractionation.
| Sources | FWHM | Reff | Tkin |  |
Mvir | αvir |  |
 |
 |
 |
Dfrac |
|---|---|---|---|---|---|---|---|---|---|---|---|
| No. | (arcsec) | (pc) | (K) | (M⊙) | (M⊙) | (pc) | (1014cm−2) | (1014cm−2) | (1022cm−2) | (105cm−3) | [NH2D]/[NH3] |
| G18.17 | |||||||||||
| 1 | 5.09 | 0.055 | 15.2 ± 1.1 | 14.5 ± 1.3 | 6.3 ± 0.3 | 0.43 ± 0.04 | 30.0 ± 2.4 | 28.5 ± 3.0 | 11.9 ± 1.0 | 6.3 ± 0.5 | 1.05 ± 0.14 |
| 2 | 5.09 | 0.055 | 17.1 ± 2.3 | 7.3 ± 1.1 | 4.4 ± 0.5 | 0.61 ± 0.11 | 9.4 ± 2.0 | 19.6 ± 3.3 | 5.9 ± 0.9 | 3.1 ± 0.5 | 0.48 ± 0.13 |
| 3 | 4.11 | 0.045 | 17.6 ± 2.7 | 6.5 ± 1.1 | 2.8 ± 0.5 | 0.43 ± 0.10 | 3.1 ± 0.6 | 8.4 ± 3.1 | 8.1 ± 1.4 | 5.3 ± 0.9 | 0.36 ± 0.15 |
| 4 | 5.90 | 0.064 | 15.9 ± 1.0 | 15.7 ± 1.1 | 10.6 ± 1.0 | 0.68 ± 0.08 | 25.0 ± 2.8 | 18.4 ± 2.1 | 9.6 ± 0.7 | 4.3 ± 0.3 | 1.36 ± 0.22 |
| 5 | 4.53 | 0.049 | 14.2 ± 1.7 | 8.2 ± 1.1 | 6.7 ± 1.5 | 0.81 ± 0.21 | 17.9 ± 3.5 | 27.1 ± 3.8 | 8.5 ± 1.1 | 5.0 ± 0.7 | 0.66 ± 0.16 |
| 6 | 3.34 | 0.036 | 17.7 ± 1.6 | 6.4 ± 0.6 | 12.7 ± 2.0 | 1.97 ± 0.37 | 22.8 ± 5.7 | 18.2 ± 2.3 | 12.2 ± 1.2 | 9.8 ± 1.0 | 1.25 ± 0.35 |
| 7 | 4.70 | 0.051 | 15.7 ± 1.7 | 7.4 ± 0.9 | 4.9 ± 1.1 | 0.67 ± 0.17 | 2.7 ± 0.7 | 11.0 ± 1.6 | 7.1 ± 0.9 | 4.0 ± 0.5 | 0.25 ± 0.07 |
| 8 | 5.19 | 0.056 | 17.2 ± 2.0 | 11.4 ± 1.5 | 5.1 ± 1.7 | 0.45 ± 0.16 | 9.2 ± 2.7 | 12.0 ± 3.3 | 8.9 ± 1.2 | 4.6 ± 0.6 | 0.77 ± 0.31 |
| 9 | 3.63 | 0.039 | 17.4 ± 2.3 | 6.5 ± 1.0 | 4.8 ± 0.7 | 0.73 ± 0.15 | 7.1 ± 1.6 | 10.6 ± 1.9 | 10.5 ± 1.5 | 7.8 ± 1.1 | 0.67 ± 0.19 |
| 10 | 3.96 | 0.043 | 14.2 ± 1.3 | 8.2 ± 0.9 | 8.4 ± 2.9 | 1.03 ± 0.37 | 20.4 ± 3.6 | 21.2 ± 3.1 | 11.1 ± 1.2 | 7.5 ± 0.8 | 0.96 ± 0.22 |
| G18.21 | |||||||||||
| 1 | 5.89 | 0.062 | 15.8 ± 2.5 | 13.0 ± 2.4 | 7.6 ± 1.3 | 0.59 ± 0.14 | 9.2 ± 2.9 | 43.6 ± 8.4 | 8.5 ± 1.6 | 4.0 ± 0.7 | 0.21 ± 0.08 |
| 2 | 5.79 | 0.061 | 15.0 ± 1.4 | 14.6 ± 1.5 | 8.3 ± 2.0 | 0.57 ± 0.14 | 9.9 ± 3.1 | 46.9 ± 5.9 | 9.9 ± 1.0 | 4.8 ± 0.5 | 0.21 ± 0.07 |
| 3 | 4.71 | 0.049 | 14.3 ± 1.5 | 6.6 ± 0.8 | 3.6 ± 0.7 | 0.55 ± 0.13 | 3.8 ± 1.9 | 10.2 ± 2.7 | 6.8 ± 0.8 | 4.0 ± 0.5 | 0.37 ± 0.21 |
| 4 | 4.74 | 0.050 | 13.5 ± 1.1 | 7.1 ± 0.7 | 10.7 ± 1.8 | 1.51 ± 0.29 | 4.1 ± 1.2 | 42.8 ± 5.8 | 7.2 ± 0.7 | 4.2 ± 0.4 | 0.10 ± 0.03 |
| 5 | 4.98 | 0.052 | 15.8 ± 2.6 | 5.9 ± 1.1 | 1.6 ± 0.4 | 0.26 ± 0.08 | 7.4 ± 1.6 | 33.5 ± 6.8 | 5.4 ± 1.0 | 3.0 ± 0.6 | 0.22 ± 0.07 |
| 6 | 5.14 | 0.054 | 14.0 ± 1.1 | 6.8 ± 0.6 | 23.7 ± 5.7 | 3.48 ± 0.89 | 21.7 ± 6.9 | 34.9 ± 4.5 | 5.9 ± 0.5 | 3.2 ± 0.3 | 0.62 ± 0.21 |
| 7 | 6.17 | 0.065 | 13.4 ± 0.9 | 8.0 ± 0.6 | 10.5 ± 2.1 | 1.31 ± 0.28 | 15.2 ± 4.2 | 48.0 ± 3.7 | 4.8 ± 0.4 | 2.2 ± 0.2 | 0.32 ± 0.09 |
| 8 | 4.32 | 0.045 | 13.9 ± 1.1 | 6.8 ± 0.6 | 9.2 ± 1.2 | 1.34 ± 0.22 | 19.5 ± 4.9 | 28.0 ± 3.7 | 8.3 ± 0.8 | 5.4 ± 0.5 | 0.70 ± 0.20 |
| G23.97N | |||||||||||
| 1 | 5.58 | 0.076 | 14.3 ± 0.5 | 27.2 ± 1.2 | 6.9 ± 0.5 | 0.25 ± 0.02 | 31.9 ± 3.7 | 29.4 ± 2.1 | 11.8 ± 0.5 | 4.5 ± 0.2 | 1.09 ± 0.15 |
| 2 | 4.97 | 0.068 | 18.3 ± 1.4 | 13.6 ± 1.2 | 7.1 ± 1.2 | 0.52 ± 0.10 | 6.9 ± 3.6 | 14.1 ± 1.6 | 7.4 ± 0.6 | 3.2 ± 0.3 | 0.49 ± 0.26 |
| G23.98 | |||||||||||
| 1 | 5.53 | 0.075 | 15.2 ± 0.9 | 11.5 ± 0.8 | 6.6 ± 1.4 | 0.58 ± 0.13 | 13.0 ± 1.9 | 21.2 ± 1.8 | 5.1 ± 0.4 | 2.0 ± 0.1 | 0.62 ± 0.11 |
| 2 | 5.33 | 0.073 | 15.2 ± 2.5 | 11.5 ± 2.2 | 4.0 ± 0.9 | 0.35 ± 0.10 | 10.7 ± 2.3 | 21.6 ± 4.1 | 5.4 ± 1.0 | 2.2 ± 0.4 | 0.50 ± 0.15 |
| G23.44 | |||||||||||
| 1 | 3.18 | 0.054 | 18.1 ± 2.6 | 16.9 ± 2.8 | 27.2 ± 3.7 | 1.61 ± 0.34 | 27.5 ± 6.3 | 73.6 ± 10.8 | 14.3 ± 2.3 | 7.6 ± 1.2 | 0.37 ± 0.10 |
| 2 | 3.15 | 0.054 | 19.9 ± 3.6 | 15.2 ± 3.1 | 7.3 ± 1.1 | 0.48 ± 0.12 | 22.0 ± 4.5 | 44.0 ± 8.1 | 13.1 ± 2.7 | 7.1 ± 1.4 | 0.50 ± 0.13 |
| 3 | 4.32 | 0.074 | 15.2 ± 1.2 | 20.7 ± 1.8 | 12.4 ± 1.4 | 0.60 ± 0.08 | 16.6 ± 3.5 | 46.3 ± 3.9 | 9.5 ± 0.8 | 3.7 ± 0.3 | 0.36 ± 0.08 |
| 4 | 2.26 | 0.039 | 22.3 ± 4.8 | 13.4 ± 3.2 | 4.5 ± 0.8 | 0.34 ± 0.10 | 8.5 ± 2.7 | 50.3 ± 10.3 | 22.4 ± 5.3 | 16.8 ± 4.0 | 0.17 ± 0.06 |
| 5 | 3.40 | 0.058 | 16.0 ± 2.3 | 19.4 ± 3.2 | 4.9 ± 0.6 | 0.25 ± 0.05 | 24.1 ± 3.4 | 23.8 ± 4.0 | 14.3 ± 2.4 | 7.2 ± 1.2 | 1.01 ± 0.22 |
| 6 | 2.43 | 0.042 | 21.1 ± 1.8 | 14.3 ± 1.4 | 11.7 ± 2.2 | 0.82 ± 0.17 | 24.2 ± 8.3 | 50.2 ± 4.5 | 20.6 ± 2.0 | 14.4 ± 1.4 | 0.48 ± 0.17 |
| 7 | 2.32 | 0.040 | 15.3 ± 2.0 | 20.5 ± 3.0 | 2.6 ± 1.2 | 0.13 ± 0.06 | 15.5 ± 4.6 | 46.8 ± 6.5 | 32.5 ± 4.8 | 23.8 ± 3.5 | 0.33 ± 0.11 |
| 8 | 2.50 | 0.043 | 39.5 ± 12.9 | 7.3 ± 2.5 | 1.0 ± 0.4 | 0.14 ± 0.06 | 11.3 ± 3.8 | 30.4 ± 9.1 | 9.9 ± 3.4 | 6.8 ± 2.3 | 0.37 ± 0.14 |
| 9 | 2.69 | 0.046 | 16.1 ± 1.8 | 19.3 ± 2.4 | 6.5 ± 3.0 | 0.34 ± 0.16 | 1.4 ± 0.8 | 28.3 ± 3.6 | 22.8 ± 2.8 | 14.4 ± 1.8 | 0.05 ± 0.03 |
| 10 | 2.97 | 0.051 | 20.4 ± 3.1 | 14.8 ± 2.5 | 4.1 ± 2.0 | 0.28 ± 0.14 | 20.8 ± 7.6 | 61.4 ± 9.4 | 14.3 ± 2.4 | 8.2 ± 1.4 | 0.34 ± 0.13 |
| G23.97S | |||||||||||
| 1 | 3.81 | 0.052 | 17.9 ± 2.8 | 14.5 ± 2.5 | 9.1 ± 2.0 | 0.63 ± 0.18 | 1.6 ± 0.6 | 62.0 ± 9.8 | 13.3 ± 2.3 | 7.4 ± 1.3 | 0.03 ± 0.01 |
| 2 | 4.04 | 0.055 | 18.3 ± 1.9 | 14.1 ± 1.6 | 7.7 ± 1.6 | 0.55 ± 0.13 | 7.0 ± 1.2 | 84.1 ± 8.8 | 11.5 ± 1.3 | 6.1 ± 0.7 | 0.08 ± 0.02 |
| 3 | 2.82 | 0.039 | 17.3 ± 2.2 | 15.1 ± 2.1 | 2.7 ± 0.7 | 0.18 ± 0.05 | 16.7 ± 3.6 | 28.5 ± 4.9 | 25.3 ± 3.6 | 19.1 ± 2.7 | 0.59 ± 0.16 |
| 4 | 3.04 | 0.042 | 31.9 ± 6.8 | 7.7 ± 1.7 | 3.2 ± 1.0 | 0.41 ± 0.16 | 19.4 ± 3.4 | 31.2 ± 10.9 | 11.1 ± 2.5 | 7.8 ± 1.8 | 0.62 ± 0.24 |
| G25.38 | |||||||||||
| 1 | 4.00 | 0.065 | 18.2 ± 1.6 | 23.8 ± 2.4 | 3.7 ± 0.7 | 0.16 ± 0.03 | 13.6 ± 3.5 | 24.9 ± 2.4 | 14.0 ± 1.4 | 6.2 ± 0.6 | 0.55 ± 0.15 |
| 2 | 3.14 | 0.051 | 16.2 ± 1.5 | 27.2 ± 2.9 | 3.1 ± 0.5 | 0.11 ± 0.02 | 17.6 ± 3.5 | 16.2 ± 2.1 | 25.9 ± 2.8 | 14.7 ± 1.6 | 1.09 ± 0.26 |
| 3 | 4.53 | 0.074 | 19.4 ± 3.1 | 22.2 ± 3.9 | 34.9 ± 7.3 | 1.57 ± 0.43 | 11.0 ± 4.9 | 40.8 ± 6.7 | 10.2 ± 1.8 | 4.0 ± 0.7 | 0.27 ± 0.13 |
| 4 | 3.16 | 0.052 | 16.1 ± 1.0 | 27.3 ± 1.9 | 3.7 ± 0.7 | 0.14 ± 0.03 | 17.2 ± 2.7 | 12.2 ± 1.1 | 25.7 ± 1.8 | 14.5 ± 1.0 | 1.41 ± 0.26 |
| G25.71 | |||||||||||
| 1 | 3.94 | 0.109 | 28.8 ± 6.7 | 32.8 ± 8.3 | 44.4 ± 11.6 | 1.35 ± 0.49 | 9.2 ± 3.5 | 69.8 ± 16.1 | 6.9 ± 1.7 | 1.8 ± 0.5 | 0.13 ± 0.05 |
| 2 | 4.57 | 0.126 | 15.7 ± 2.6 | 54.0 ± 10.0 | 6.0 ± 1.9 | 0.11 ± 0.04 | 0.6 ± 0.3 | 21.8 ± 3.8 | 8.5 ± 1.6 | 1.9 ± 0.4 | 0.03 ± 0.01 |
Notes. FWHM and
Reff : derived from NH2D core extraction by using the GAUSSCLUMPS. Tkin: estimated from the rotational temperature Trot
by using NH3 (1, 1) and (2, 2) transitions (Ott et al. 2011). 
,
, and
: estimated from the corresponding 3.5 mm continuum flux to each NH2D core size. 
: adopting the analyze routine described in Appendix of Pillai et al. (2007) to estimate the NH2D column density. 
: following the standard formulation in Bachiller et al. (1987) to estimate the NH3 column density. 
and
(MacLaren et al. 1988; Evans 1999): The Δvnth is the non-thermal line width for NH2D main line. Dfrac: deuterium fractionation is defined as 
.
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