Table 11:
Relative molecular abundances.
|
Source |
N(HCO+) |
N(CN) |
N(DCO+) |
| |
N(CO) |
N(HCN) |
N(HCO+) |
| LkCa 15 |
1.6(-5) |
7.9 |
<0.411 |
| TW Hya |
3.8(-4)1 |
7.1 |
0.035 |
| |
1.4(-4)2 |
|
|
| DM Taua |
5.3(-5) |
5.8 |
|
| DM Taub |
7.6(-5) |
18.4 |
|
| HD 163296 |
2.7(-5) |
>12.4 |
|
| MWC 480 |
1.5(-5) |
>11.7 |
|
| IRAS 16293-2422c |
3.6(-5) |
0.07 |
|
| TMC-1d |
1.0(-4) |
1.5 |
|
| Orion Bare |
2.0(-5) |
3.8 |
|
| IC 63f |
2.7(-5) |
0.7 |
|
References. a Dutrey et al. (1997); b from Table 7;
c Schöier et al. (2002); d Ohishi et al. (1992);
e Hogerheijde et al. (1995); f Jansen et al. (1995).
Notes. 1 Value derived from
H13CO+, assuming [12C]/[13C] = 60.
2 Value derived from HCO+.
|
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