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Paper: Gamma Ray Bursts from Proto-Globular Clusters?
Volume: 353, Stellar Evolution at Low Metallicity: Mass Loss, Explosions, Cosmology
Page: 339
Authors: Zinnecker, H.
Abstract: We explore our speculation that the progenitors of gamma-ray bursts are born and located in the centers of massive low-metallicity protoglobular clusters. A binary merger of the two most massive stars in the mass segregated dense proto-cluster core may lead to a rapidly rotating object exploding as a hypernova, leaving a collapsar remnant (cf. Bally and Zinnecker 2005). The particular role of low metallicity is addressed.
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