Observed Fractions of Core-Collapse Supernova Types and Initial Masses of their Single and Binary Progenitor Stars

@article{Smith2011ObservedFO,
  title={Observed Fractions of Core-Collapse Supernova Types and Initial Masses of their Single and Binary Progenitor Stars},
  author={Nathan Smith and Weidong Li and Alexei V. Filippenko and Ryan Chornock},
  journal={Monthly Notices of the Royal Astronomical Society},
  year={2011},
  volume={412},
  pages={1522-1538}
}
We analyse the observed fractions of core-collapse supernova (SN) types from the Lick Observatory Supernova Search (LOSS), and we discuss the corresponding implications for massive star evolution. For a standard initial mass function, observed fractions of SN types cannot be reconciled with the expectations of single-star evolution. The mass range of Wolf–Rayet (WR) stars that shed their hydrogen envelopes via their own mass-loss accounts for less than half of the observed fraction of Type Ibc… Expand

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