Table 2:
Calculated abundance ratios between selected singly deuterated and normal isotopologues.
| Species |
 |
XD/XH abundance ratio |
| |
|
50 K |
60 K |
70 K |
| |
cm-3 |
WC |
LM |
WC |
LM |
WC |
LM |
|
H3+ |
105 |
2.5(-3) |
3.0(-3) |
1.3(-3) |
1.5(-3) |
8.1(-4) |
8.6(-4) |
| |
106 |
2.5(-3) |
3.0(-3) |
1.3(-3) |
1.5(-3) |
8.1(-4) |
8.6(-4) |
| |
107 |
2.5(-3) |
3.0(-3) |
1.3(-3) |
1.5(-3) |
8.1(-4) |
8.6(-4) |
| CH3+ |
105 |
2.7(-2) |
4.4(-2) |
1.3(-2) |
1.5(-2) |
6.1(-3) |
6.6(-3) |
| |
106 |
3.7(-2) |
4.6(-2) |
1.4(-2) |
1.6(-2) |
6.4(-3) |
6.6(-3) |
| |
107 |
4.0(-2) |
4.6(-2) |
1.5(-2) |
1.6(-2) |
6.5(-3) |
6.6(-3) |
| C2H2+ |
105 |
7.5(-2) |
0.21 |
6.0(-2) |
0.14 |
3.9(-2) |
6.3(-2) |
| |
106 |
0.16 |
0.23 |
0.11 |
0.15 |
5.7(-2) |
6.5(-2) |
| |
107 |
0.19 |
0.24 |
0.13 |
0.15 |
6.2(-2) |
6.6(-2) |
| HCO+ |
105 |
8.9(-4) |
1.2(-3) |
4.8(-4) |
5.6(-4) |
2.9(-4) |
3.2(-4) |
| |
106 |
8.6(-4) |
1.1(-3) |
4.5(-4) |
5.1(-4) |
2.7(-4) |
3.0(-4) |
| |
107 |
1.2(-3) |
1.0(-3) |
6.7(-4) |
4.9(-4) |
4.1(-4) |
2.9(-4) |
| N2H+ |
105 |
8.0(-4) |
9.8(-4) |
4.2(-4) |
4.7(-4) |
2.6(-4) |
2.8(-4) |
| |
106 |
8.0(-4) |
9.6(-4) |
4.2(-4) |
4.7(-4) |
2.6(-4) |
2.7(-4) |
| |
107 |
8.2(-4) |
9.6(-4) |
4.3(-4) |
4.7(-4) |
2.6(-4) |
2.7(-4) |
| HCN |
105 |
3.1(-3) |
9.1(-3) |
1.2(-3) |
2.8(-3) |
5.1(-4) |
1.1(-3) |
| |
106 |
6.3(-3) |
1.7(-2) |
2.1(-3) |
4.7(-3) |
8.2(-4) |
1.9(-3) |
| |
107 |
9.4(-3) |
2.5(-2) |
3.0(-3) |
6.6(-3) |
1.0(-3) |
2.7(-3) |
| HNC |
105 |
2.7(-3) |
3.3(-3) |
1.2(-3) |
1.2(-3) |
5.8(-4) |
5.9(-4) |
| |
106 |
5.4(-3) |
3.2(-3) |
2.4(-3) |
1.2(-3) |
1.1(-3) |
6.0(-4) |
| |
107 |
5.4(-3) |
3.1(-3) |
2.2(-3) |
1.2(-3) |
9.4(-4) |
6.1(-4) |
| H2O |
105 |
3.1(-4) |
5.9(-4) |
1.6(-4) |
2.6(-4) |
9.9(-5) |
1.5(-4) |
| |
106 |
3.7(-4) |
5.2(-4) |
1.9(-4) |
2.4(-4) |
1.2(-4) |
1.4(-4) |
| |
107 |
5.6(-4) |
4.9(-4) |
3.0(-4) |
2.3(-4) |
1.9(-4) |
1.4(-4) |
| H2CO |
105 |
1.7(-2) |
2.1(-2) |
8.3(-3) |
8.6(-3) |
3.9(-3) |
3.6(-3) |
| |
106 |
2.5(-2) |
2.2(-2) |
1.2(-2) |
1.2(-2) |
4.8(-3) |
4.7(-3) |
| |
107 |
4.3(-2) |
2.6(-2) |
2.6(-2) |
1.8(-2) |
8.7(-3) |
7.0(-3) |
| NH3 |
105 |
2.2(-3) |
1.4(-3) |
1.6(-3) |
6.5(-4) |
1.3(-3) |
3.5(-4) |
| |
106 |
2.2(-3) |
1.2(-3) |
1.5(-3) |
5.9(-4) |
1.2(-3) |
3.5(-4) |
| |
107 |
3.6(-3) |
1.2(-3) |
1.6(-3) |
5.7(-4) |
9.5(-4) |
3.4(-4) |
| C2H |
105 |
3.9(-2) |
3.9(-2) |
3.2(-2) |
2.1(-2) |
2.1(-2) |
9.8(-3) |
| |
106 |
3.6(-2) |
3.0 (-2) |
2.7(-2) |
1.4 (-2) |
1.4(-2) |
6.7(-3) |
| |
107 |
2.5(-2) |
2.5(-2) |
1.2(-2) |
1.0(-2) |
5.9 (-3) |
5.1(-3) |
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