Table 6.
Physical properties of the molecular emission detected towards Cep E-A.
| Species | Trot (K) | N (1015 cm−2) | X (10−9) |
|---|---|---|---|
| 13CH3OH | 27.3 ± 5.3 | 7.0 ± 2.2 | 17.5 ± 5.5 |
| CH2DOH | 20.2 ±1.2 | 17.7 ± 2.5 | 44.3 ± 6.3 |
 |
14.0 ± 2.4 | 0.5 ± 0.2 | 1.3 ± 0.5 |
| H2CCO | 19.6 ± 1.2 | 3.2 ± 0.5 | 8.0 ± 1.3 |
| CH3OCH3 | 37.9 ± 1.9 | 14.4 ± 1.5 | 36.0 ± 3.8 |
| HCOOCH3 | 29.8 ± 6.8 | 10.2 ± 2.5 | 25.5 ± 6.2 |
| HCOOH | 30 | 0.32 ± 0.12 | 0.8 ± 0.3 |
| 60 | 0.34 ± 0.13 | 0.9 ± 0.3 | |
| CH3CHO | 30 | 4.1 ± 1.0 | 10.3 ± 2.5 |
| 60 | 5.0 ± 1.2 | 12.5 ± 3.0 | |
| CH3COCH3 | 30 | 3.3 ± 0.8 | 8.3 ± 2.0 |
| 60 | 1.0 ± 0.2 | 2.5 ± 0.5 | |
| HNCO | 30 | 0.64 ± 0.15 | 1.6 ± 0.4 |
| 60 | 0.64 ± 0.15 | 1.6 ± 0.4 | |
| NH2CHO | 30 | 0.18 ± 0.04 | 0.5 ± 0.1 |
| 60 | 0.18 ± 0.04 | 0.5 ± 0.1 | |
| CH3CN | 32.2 ± 4.4 | 1.4 ± 0.5 | 3.5 ± 1.2 |
| C2H5CN | 30 | 0.42 ±0.18 | 1.1 ± 0.5 |
| 60 | 0.18 ± 0.07 | 0.5 ± 0.2 |
Notes. Columns are: rotational temperature, column density, and molecular abundances relative to H2. An H2 column density of 4.0 × 1023 cm−2 was adopted (see text). A source size of 1.2″ and 0.7″ was assumed for 
and the other COMs emission, respectively.
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