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Statistics of correlations between Fe ii 5018 Å pEWs and SN II light-curve and spectral parameters. In the first column the SN II parameter is listed.
|LC/spec parameter||N SNe II||r||p|
|M max||77||0.64 ± 0.09||≤2.2 × 10-4%|
|Mend||79||0.47 ± 0.11||≤0.11%|
|Mtail||29||0.48 ± 0.14||≤7.1%|
|s1||20||–0.48 ± 0.15||≤16%|
|s2||77||–0.41 ± 0.13||≤1.4%|
|s3||24||–0.50 ± 0.24||≤22%|
|56Ni||13||–0.46 ± 0.23||≤45%|
|56Ni*||36||–0.54 ± 0.10||≤0.72%|
|Pd||17||0.26 ± 0.31||≤100%|
|OPTd||24||0.12 ± 0.14||≤100%|
|a/e||43||0.60 ± 0.10||≤0.064%|
|Hαvel||24||–0.61 ± 0.09||≤0.92%|
Notes. Mmax is the maximum V-band absolute magnitude; Mend the magnitude at the end of the “plateau”; Mtail the magnitude at the start of the radioactive tail; s1 the initial decline from maximum; s2 the decline rate during the “plateau”; s3 the decline rate of the radioactive tail; 56Ni the synthesised nickel mass, with 56Ni* including upper limit calculations; Pd the duration from the inflection point of s1 and s2 to the end of the “plateau”; OPTd the duration from explosion to the end of the “plateau”; a/e the ratio of the pEW of absorption to emission of Hα; and Hαvel the FWHM velocity of Hα. This is followed by the number of SNe II 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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