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Table 8.
Best-fit CLOUDY model parameters during the nebular phase.
| Parameter | Day 224 | Day 252 | Day 336 |
|---|---|---|---|
| TBB (×105 K) | 1.50 | 2.5 | 3 |
| Luminosity (×1037 erg s−1) | 3.16 | 3.98 | 5.01 |
| Clump Hydrogen density (×106 cm−3) | 79.43 | 63.09 | 56.23 |
| Diffuse Hydrogen density (×106 cm−3) | 31.62 | 25.12 | 17.78 |
| Covering factor (clump) | 0.80 | 0.80 | 0.80 |
| Covering factor (diffuse) | 0.20 | 0.20 | 0.20 |
| α | −3.00 | −3.00 | −3.00 |
| Inner radius (×1015 cm) | 2.34 | 2.88 | 3.09 |
| Outer radius (×1016 cm) | 0.38 | 0.85 | 1.26 |
| Filling factor | 0.1 | 0.1 | 0.1 |
| He/He⊙ | 1.43 (4)a | 1.65 (4) | 1.16 (2) |
| N/N⊙ | 3.02 (4) | 3.63 (5) | 2.96 (4) |
| O/O⊙ | 3.01 (3) | 2.65 (3) | 2.63 (4) |
| Ne/Ne⊙ | 3.25 (2) | 1.36 (2) | ... |
| C/C⊙ | 1.00 (1) | 1.02 (1) | 1.09 (1) |
| Fe/Fe⊙ | 1.09 (3) | 1.00 (3) | 1.00 (1) |
| Ejected mass (×10−6 M⊙) | 0.46 | 1.52 | 2.13 |
| Number of observed lines (n) | 18 | 20 | 13 |
| Number of free parameters (np) | 10 | 10 | 7 |
| Degrees of freedom (ν) | 8 | 10 | 6 |
| Total χ2 | 12.74 | 15.18 | 9.22 |
 |
1.59 | 1.52 | 1.54 |
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