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Table 1.
Weighted mean values for SE SNe at maximum light.
| SN Type | pEW (O I λ7774) Å | υ (He I λ5876) (km s−1) | υ (O I λ7774) (km s−1) |
|---|---|---|---|
| SNe Ic | 70 ± 15 | … | 9800 ± 600 |
| SNe Ib | 28 ± 12 | 9500 ± 600 | 7900 ± 600 |
| SNe IIb | 32 ± 10 | 8000 ± 500 | 7000 ± 500 |
Notes. Uncertainties are given as the standard deviation of the mean values, 
, where N is the number of objects included in the calculation.
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