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Table B.2
Literature values for 13C/12C in comets, CCs and IDPs.
| Molecule | Source | 13C/12C | Reference |
|---|---|---|---|
| C2 | 4 comets | (1.10 ± 0.12) · 10−2 | Wyckoff etal. (2000) |
| CH4 | 67P | (1.14 ± 0.13) · 10−2 | This work |
| C2H6 | 67P | (1.08 ± 0.12) · 10−2 | This work |
| C2H6 | 67P | (9.5 ± 0.9) · 10−3 | Altwegg et al. (2020) |
| C3H8 | 67P | (1.15 ± 0.12) · 10−2 | This work |
| C4H10 | 67P | (1.04 ± 0.15) · 10−2 | This work |
| CN | 19 comets | (1.10 ± 0.05) · 10−2 | Manfroid et al. (2009) |
| HCN | C/1995 O1 (Hale-Bopp) | (9.0 ± 1.0) · 10−3 | Jewitt et al. (1997) |
| CO | 67P | (1.16 ± 0.12) · 10−2 | Rubin et al. (2017) |
| CO2 | 67P | (1.19 ± 0.06) · 10−2 | Hässig et al. (2017) |
| H2CO | 67P | (2.5 ± 0.9) · 10−2 | Altwegg et al. (2020) |
| CH3OH | 67P | (1.10 ± 0.12) · 10−2 | Altwegg et al. (2020) |
| Bulk | 81P/Wild 2 | (1.1 ± 0.01) · 10−2 | Stadermann et al. (2008) |
| Bulk | CCs | (1.09 − 1.15) · 10−2 | Alexander et al. (2010, 2012); Pearson et al. (2001) |
| Organics | CCs/IDPs | (1.05 − 1.12) · 10−2 | Alexander et al. (2007); Floss & Stadermann (2004) |
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