Table 4
Column densities and abundances of targetted molecules assuming LTE conditions.
| Fixed Trot | Trot = 8 K | Trot = 5 K | ||||
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| Molecule | N tot | Ntot/N(CH3OH)a | Ntot/N(H2)b | N tot | Ntot/N(CH3OH)a | Ntot/N(H2)b |
| (cm-2) | (cm-2) | |||||
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| trans-HCOOH | 2.6(+12) ± 6.6(+11) | 1.7(–2) | 7.9(–10) | 7.5(+12) ± 1.9(+12) | 5.0(–2) | 2.3(–9) |
| cis-HCOOH | 1.7(+11) ± 4.6(+10) | 1.1(–3) | 5.2(–11) | 4.7(+11) ± 1.3(+11) | 3.1(–3) | 1.4(–10) |
| HCOOH | 2.8(+12) ± 6.6(+11) | 1.8(–2) | 8.4(–10) | 8.0(+12) ± 1.9(+12) | 5.3(–2) | 2.4(–9) |
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| o-CH2CO | 2.1(+12) ± 4.2(+11) | 1.4(–2) | 6.4(–10) | 4.8(+12) ± 9.6(+11) | 3.2(–2) | 1.5(–9) |
| p-CH2CO | 6.2(+11) ± 1.8(+11) | 4.1(–3) | 1.9(–10) | 1.5(+12) ± 4.3(+11) | 1.0(–2) | 4.5(–10) |
| CH2CO | 2.7(+12) ± 4.6(+11) | 1.8(–2) | 8.2(–10) | 6.3(+12) ± 1.1(+12) | 4.2(–2) | 1.9(–9) |
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| AA-CH3OCH3 | 3.1(+11) ± 1.5(+11) | 2.1(–3) | 9.4(–11) | 4.2(+11) ± 2.0(+11) | 2.8(–3) | 1.3(–10) |
| EE-CH3OCH3 | 1.3(+12) ± 4.4(+11) | 8.7(–3) | 3.9(–10) | 1.7(+12) ± 6.1(+11) | 1.1(–2) | 5.2(–10) |
| AE-CH3OCH3 | 2.2(+11) ± 2.3(+11) | 1.5(–3) | 6.7(–11) | 2.9(+11) ± 1.6(+11) | 1.9(–3) | 8.8(–11) |
| EA-CH3OCH3 | 2.2(+11) ± 2.3(+11) | 1.5(–3) | 6.7(–11) | 2.9(+11) ± 1.6(+11) | 1.9(–3) | 8.8(–11) |
| CH3OCH3 | 2.1(+12) ± 5.7(+11) | 1.4(–2) | 6.2(–10) | 2.7(+12) ± 6.8(+11) | 1.8(–2) | 8.2(–10) |
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| CH3CCH | <7.3(+11) | 4.9(–3) | 2.2(–10) | <7.3(+12) | 4.9(–2) | 2.2(–9) |
| HCOCH2OH | <2.7(+11) | 1.8(–3) | 8.3(–11) | <7.3(+11) | 4.9(–3) | 2.2(–10) |
| aGg-(CH2OH)2 | <4.9(+11) | 3.2(–3) | 1.5(–10) | <2.3(+12) | 1.5(–2) | 7.0(–10) |
| gGg-(CH2OH)2 | <1.2(+12) | 8.2(–3) | 3.7(–10) | <3.5(+12) | 2.4(–2) | 1.1(–9) |
| C2H5OH | <4.1(+11) | 2.8(–3) | 1.3(–10) | <1.0(+12) | 6.7(–3) | 3.1(–10) |
| NH2CHO | <2.0(+10) | 1.3(–4) | 6.1(–12) | <5.4(+10) | 3.6(–4) | 1.6E(–11) |
| Rotational diagram | Free Trot | |||||
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| N tot | Ntot/N(CH3OH)a | Ntot/N(H2)b | T rot | |||
| (cm-2) | (K) | |||||
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| A-CH3CHO | 2.7(+12) ± 5.5(+11) | 1.8(–2) | 8.2(–10) | 5.7 ± 2.9 | ||
| E-CH3CHO | 2.5(+12) ± 4.6(+11) | 1.7(–2) | 7.6(–10) | 5.1 ± 0.3 | ||
| CH3CHO | 5.2(+12) ± 7.2(+11) | 3.5(–2) | 1.6(–9) | |||
Notes.
The abundance ratio relative to CH3OH is computed with the CH3OH column density derived from the RADEX analysis (N(CH3OH) = 1.2 × 1014 cm-2; see text).
The H2 column density is equal to 3.3 × 1021 cm-2 (Wirstrom et al. 2014).
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