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Home All issues Volume 662 (June 2022) A&A, 662 (2022) A110 Full HTML
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Table 4

Peak gas-phase abundances of selected molecules obtained with the three warm-up timescale models.

Fast Medium Slow
Molecule n[i]/n[H2] T (K) n[i]/n[H2] T (K) n[i]/n[H2] T (K)
CH3OH 1.88(–5) 168 1.73(–5) 167 1.33(–5) 166
C2H5OH 5.33(–7) 241 4.89(–7) 167 5.12(–7) 166
n-C3H7OH 7.12(–8) 212 7.29(–8) 168 7.90(–8) 167
i-C3H7OH 5.78(–8) 219 6.03(–8) 169 5.92(–8) 167
CH3CN 3.42(–9) 400 1.27(–8) 398 1.23(–7) 400
C2H5CN 1.96(–7) 170 2.33(–7) 167 3.38(–7) 171
n-C3H7CN 9.25(–9) 180 9.25(–9) 184 9.35(–9) 171
i-C3H7CN 1.10(–8) 180 1.18(–8) 181 1.23(–8) 171

Notes. Abundances are shown as a fraction with respect to H2 at the moment when the molecule reaches its own peak abundance. The temperature of the dust and gas corresponding to the peak abundance value is also shown. x(y) means x × 10y.

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