The Connection between Gamma-Ray Bursts and Extremely Metal-Poor Stars: Black Hole-forming Supernovae with Relativistic Jets

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dc.creatorTominaga, Nozomu
dc.creatorMaeda, Keiichi
dc.creatorUmeda, Hideyuki
dc.creatorNomoto, Ken'ichi
dc.creatorTanaka, Masaomi
dc.creatorIwamoto, Nobuyuki
dc.creatorSuzuki, Tomoharu
dc.creatorMazzali, Paolo A.
dc.date2007-02-19
dc.date.accessioned2026-07-07T12:31:17Z
dc.date.available2026-07-07T12:31:17Z
dc.descriptionLong-duration gamma-ray bursts (GRBs) are thought to be connected to luminous and energetic supernovae (SNe), called hypernovae (HNe), resulting from the black-hole (BH) forming collapse of massive stars. For recent nearby GRBs~060505 and 060614, however, the expected SNe have not been detected. The upper limits to the SN brightness are about 100 times fainter than GRB-associated HNe (GRB-HNe), corresponding to the upper limits to the ejected $^{56}$Ni masses of $M({\rm ^{56}Ni})\sim 10^{-3}M_\odot$. SNe with a small amount of $^{56}$Ni ejection are observed as faint Type II SNe. HNe and faint SNe are thought to be responsible for the formation of extremely metal-poor (EMP) stars. In this Letter, a relativistic jet-induced BH forming explosion of the 40 $M_\odot$ star is investigated and hydrodynamic and nucleosynthetic models are presented. These models can explain both GRB-HNe and GRBs without bright SNe in a unified manner. Their connection to EMP stars is also discussed. We suggest that GRBs without bright SNe are likely to synthesize $\Mni\sim 10^{-4}$ to $10^{-3}M_\odot$ or $\sim 10^{-6}M_\odot$.
dc.description7 pages, 3 figures. Accepted for publication in the Astrophysical Journal Letters (10 March 2007, v657n2 issue)
dc.identifierhttps://arxiv.org/abs/astro-ph/0702471
dc.identifierhttp://arxiv.org/abs/astro-ph/0702471
dc.identifierAstrophys.J.Lett.657:L77-L80,2007
dc.identifierdoi:10.1086/513193
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/216398
dc.subjectAstrophysics
dc.titleThe Connection between Gamma-Ray Bursts and Extremely Metal-Poor Stars: Black Hole-forming Supernovae with Relativistic Jets
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