The death of massive stars - II. Observational constraints on the progenitors of type Ibc supernovae

@inproceedings{Eldridge2013TheDO,
  title={The death of massive stars - II. Observational constraints on the progenitors of type Ibc supernovae},
  author={J. J. Eldridge and Morgan Fraser and Steven J. Smartt and Justyn R. Maund and R. Mark Crockett},
  year={2013}
}
The progenitors of many Type II core-collapse supernovae (SNe) have now been identified directly on pre-discovery imaging. Here, we present an extensive search for the progenitors of Type Ibc SNe in all available pre-discovery imaging since 1998. There are 12 Type Ibc SNe with no detections of progenitors in either deep ground-based or Hubble Space Telescope archival imaging. The deepest absolute BVR magnitude limits are between −4 and −5 mag. We compare these limits with the observed Wolf… 
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