The Rates of Hypernovae and Gamma-Ray Bursts: Implications for Their Progenitors

By P. Podsiadlowski, P. Mazzali, Ken’ichi Nomoto, D. Lazzati, E. Cappellaro. 2004

216 citations recorded by the source corpus.

A critical comparison of estimates for the rates of hypernovae (HNe) and gamma-ray bursts (GRBs) is presented. Within the substantial uncertainties, the estimates are shown to be quite comparable and give a galactic rate of 10-6 to 10-5 yr-1 for both events. These rates are several orders of magnitude lower than the rate of core-collapse supernovae, suggesting that the evolution leading to an HN/GRB requires special circumstances, very likely due to binary interactions. Various possible binary channels are discussed, and it is shown that these are generally compatible with the inferred rates.

Subfields: Astronomy and Astrophysics, Instrumentation

View Paper: https://www.semanticscholar.org/paper/4c50a25ae2c1431b52e52e4ce682c13d5240c7ab

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In Astronomy and Astrophysics

  1. S. Smartt
  2. Stan Woosley
  3. N. Langer
  4. N. Smith
  5. Bing Zhang
  6. Alexander Heger
  7. R. Hirschi
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In Instrumentation

  1. Stan Woosley
  2. N. Langer
  3. S. Smartt
  4. N. Smith
  5. Sung-Chul Yoon
  6. A. Filippenko
  7. R. Hirschi
  8. G. Meynet

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