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- W2145862010 abstract "We review the observational status of the Supernova (SN)/Gamma-Ray Burst (GRB) connection. In section 2 we provide a short summary of the observational properties of core-collapse SNe. In sections 3-6 we review the circumstantial evidences and the direct observations that support the existence of a deep connection between the death of massive stars and GRBs. Present data suggest that SNe associated with GRBs form a heterogeneous class of objects including both bright and faint Hypernovae and perhaps also `standard' Ib/c events. In section 7, we provide an empirical estimate of the rate of Hypernovae, for a ``MilkyWay-like'' galaxy, of about $sim 2.6times 10^{-4}$ yr$^{-1}$ that may imply the ratio GRB/Hypernovae to be in the range $sim 0.03-0.7$. In the same framework we find the ratio GRB/SNe-Ibc to be $sim 0.008div 0.05$. In section 8 we discuss the possible existence of a lag between the SN explosion and the associated gamma-ray event. In the few SN/GRB associations so far discovered the SN explosions and GRB events appear to go off simultaneously. In section 9 we present the conclusions and highlight the open problems that Swift hopefully will allow us to solve." @default.
- W2145862010 created "2016-06-24" @default.
- W2145862010 creator A5041595103 @default.
- W2145862010 date "2005-04-23" @default.
- W2145862010 modified "2023-09-27" @default.
- W2145862010 title "Supernovae Shedding Light on Gamma-Ray Bursts" @default.
- W2145862010 hasPublicationYear "2005" @default.
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