Table 1
Epoch of pEW measurements: testing the level of correlation between Fe ii 5018 Å pEWs and host H ii-region abundances when different epochs for pEW measurements are used.
| Epoch | N SNe II | r | p |
|
|
|||
| Days after explosion epoch | |||
| 30 | 90 | 0.30 ± 0.09 | ≤4.7% |
| 40 | 83 | 0.32 ± 0.09 | ≤3.6% |
| 50 | 82 | 0.35 ± 0.09 | ≤1.8% |
| 60 | 75 | 0.30 ± 0.11 | ≤10.3% |
| 70 | 68 | 0.38 ± 0.10 | ≤2.1% |
|
|
|||
| With respect to ttran | |||
| +20 | 39 | 0.24 ± 0.16 | ≤63% |
| Same sample but at 50 d | |||
| 50 | 39 | 0.30 ± 0.15 | ≤36% |
|
|
|||
| With respect to OPTd | |||
| –30 | 55 | 0.34 ± 0.11 | ≤9.1% |
| Same sample but at 50 d | |||
| 50 | 55 | 0.35 ± 0.11 | ≤7.8 |
Notes. In the first column the epoch is listed, followed by the number of SNe II available in Col. 2. The Pearson’s mean r value is then given together with the standard deviation. Finally in Col. 4 the chance probability of finding a correlation is listed.
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