Table A.1
Parameter inputs for the LTE model.
| Species | Ntot (cm−2) | Tex (K) | Vlsr (km s−1) | FWHM (km s−1) |
|---|---|---|---|---|
| AFGL 2591 | ||||
| CH3CCH | 1 × 1011, 1 × 1017, 1 × 1014 | 3, 100, 40 | −10, −2, −5.7 | 0.5, 4, 2 |
| c-C3H2 | 1 × 1011, 1 × 1017, 1 × 1014 | 3, 100, 40 | −10, −2, −5.7 | CH3CCH FWHM |
| H2CO | 1 × 1011, 1 × 1017, 1 × 1014 | 3, 150, 90 | −10, −2, −6 | 1, 7, 4 |
| CH3OH C1 | 1 × 1011, 1 × 1017, 1 × 1014 | 18 | −10, −1, −6 | 1, 7, 3 |
| CH3OH C2 | 1 × 1011, 1 × 1017, 1 × 1014 | 8 | −10, −2, −6 | 3.9 |
| CH3OH C3 | 1 × 1011, 1 × 1017, 1 × 1014 | 8 | −9.4 | 2.5 |
| IRAS 20126 | ||||
| CH3CCH | 1 × 1011, 1 × 1017, 1 × 1014 | 3, 100, 30 | −5, −1, −3.1 | 0.5, 4, 2 |
| c-C3H2C1 | 1 × 1011, 1 × 1017, 1 × 1014 | 3, 100, 10 | −5, −1, −3.1 | 0.5, 4, 2.4 |
| c-C3H2C2 | 1.0 × 1013 | 3, 100, 10 | C1 vlsr | 0.5 |
| H2CO | 1 × 1011, 1 × 1017, 1 × 1014 | 3, 150, 50 | −6, −1, −3.6 | 1, 8, 6.9 |
| CH3OH C1 | 1 × 1011, 1 × 1017, 1 × 1014 | 3, 150, 50 | −6, −1, −3.6 | 1, 8, 6.9 |
| CH3OH C2 | 2.1 × 1013 | 10 | C1 vlsr−0.2 | 1.2 |
Notes. Where the parameter is variable, the inputs are minimum, maximum, and starting value, and where the parameter is fixed, the input is the starting value. If a parameter is linked to another, the reference parameter is noted in the table. The final parameter, source size, is always fixed at 20″.
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