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Table B.1

Abundances (with respect to H-nuclei) of the species injected into the gas in the second step of the model and previously observed towards L1157-B1a.

Species Injected (/H) Observed (/H) Reference
Ices L1157-B1
CO2 3 × 10-5 ≤ 3 × 10-4 – 1
H2O 2 × 10-4 1.2 × 10-4 1–3 × 10-4 1, 2
OCS 2 × 10-6 – ≃10-6a 3
CH3OH 4 × 10-6 – 5.5 × 10-6a 4
H2CO 1 × 10-6 – 1.5 × 10-6 4
NH3 2 × 10-5 – >10-6 5
CH3CH2 4 × 10-8 – 2 × 10-7a 6

Notes.

(a)

These values have been indirectly derived by comparison of observations and model predictions.

Reference. 1. Boogert et al. (2015); 2. Busquet et al. (2014); 3. Podio et al. (2014); 4. Benedettini et al. (2013); 5. Tafalla & Bachiller (1995); 6. Codella et al. (2015).

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