Table 6
Masses of molecules and dust clusters (in M⊙) at 3000 days post-explosion for the type IIb SN with a 19 M⊙ progenitor that led to Cas A.
| Density case | Standard | ×200 | ×2000 |
|
|
|||
| Molecules | |||
| SiS | 4.1 × 10-2 | 1.3 × 10-1 | 5.7 × 10-2 |
| CO | 4.8 × 10-3 | 4.9 × 10-1 | 4.9 × 10-1 |
| SiO | 6.7 × 10-10 | 8.7 × 10-12 | 1.8 × 10-12 |
| O2 | 9.5 × 10-9 | 5.8 × 10-1 | 1.07 |
| SO | 2.9 × 10-7 | 2.6 × 10-2 | 7.7 × 10-2 |
| Total Mass | 4.6 × 10-2 | 1.22 | 1.69 |
| Efficiency | 1.2% | 31 % | 43 % |
|
|
|||
| Clusters | |||
| Silicatesa | – | 3.2 × 10-3 | 1.3 × 10-2 |
| SiC | 7.9 × 10-6 | 3.5 × 10-4 | 1.3 × 10-4 |
| Silicaa | 2.7 × 10-7 | 1.4 × 10-9 | 8.0 × 10-15 |
| Alumina | 1.7 × 10-8 | 1.7 × 10-2 | 1.4 × 10-2 |
| Pure metalsa | 4.5 × 10-10 | 8.8 × 10-5 | 8.0 × 10-3 |
| Carbon | – | 7.5 × 10-12 | 9.4 × 10-3 |
| Iron sulphide | – | 6.6 × 10-10 | 6.2 × 10-7 |
| Total Mass | 8.2 × 10-6 | 0.021 | 0.045 |
| Efficiency | 0.0002 % | 0.52 % | 1.1% |
Notes. The gas density cases correspond to the “standard case” and increase of 200 and 2000 in the gas number density, as discussed in the text. Efficiencies are the mass fraction of the ejected material in the form of molecules or dust clusters.
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