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Paper detail

Constraints on Type Ib/c and GRB Progenitors

Although there is strong support for the collapsar engine as the power source of long-duration gamma-ray bursts (GRBs), we still do not definitively know the progenitor of these explosions. Here we review the current set of progenitor scenarios for long-duration GRBs and the observational constraints on these scenarios. Examining these, we find that single-star models cannot be the only progenitor for long-duration GRBs. Several binary progenitors can match the solid observational constraints and also have the potential to match the trends we are currently seeing in the observations. Type Ib/c supernovae are also likely to be produced primarily in binaries; we discuss the relationship between the progenitors of these explosions and those of the long-duration GRBs.

preprint2007arXivOpen access
C. L. FryerP. A. MazzaliJ. ProchaskaE. CappellaroA. PanaitescuE. BergerM. van PuttenE. P. J. van den HeuvelP. YoungA. HungerfordG. RockefellerS. -C. YoonP. PodsiadlowskiK. NomotoR. ChevalierB. SchmidtS. Kulkarni
astro-ph
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C. L. FryerP. A. MazzaliJ. ProchaskaE. CappellaroA. PanaitescuE. BergerM. van PuttenE. P. J. van den HeuvelP. YoungA. HungerfordG. RockefellerS. -C. YoonP. PodsiadlowskiK. NomotoR. ChevalierB. SchmidtS. Kulkarni

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