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Table 3.
Model parameters of SN 2017ckj.
| Parameters | Core | Envelope | Remarks |
|---|---|---|---|
| R0 (1012 cm) | 0.35 | 40 | Progenitor radius |
| Mej (M⊙) | 1.6 | 0.4 | Ejecta mass |
| MNi (M⊙) | 0.21 | – | Nickel mass |
| κ ( cm2/g) | 0.2 | 0.3 | Thomson scattering opacity |
| Etot (1051erg) | 4.4 | 5.0 | Total energy |
| Ekin/Eth | 1.75 | 4.0 | The ratio of ejecta kinetic energy to thermal energy |
| Ag (day2) | 7157 | 7157 | The factor represents the effectiveness of γ-ray trapping |
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