2006 Supplement 1: WORKSHOP ON MULTIFREQUENCY BEHAVIOUR OF HIGH ENERGY COSMIC SOURCES: Frascati, 2005 / Della Valle
Supernovae and Gamma-Ray Bursts
Abstract
I review the observational status of the Supernova/Gamma-Ray Burst (GRB) connection. Available data suggest that Supernovae (SNe) associated with GRBs form an heterogeneous class of objects including bright and faint hypernovae (Hyp) and perhaps also `standard' Ib/c events. Current estimates of SN and GRB rates and beaming angles yield ratios GRB/SNe-Ibc ~2% and GRB/Hyp ~25%. In the few SN/GRB associations so far discovered the SN and GRB events appear to go off simultaneously, although data do not exclude that the SN may precede the GRB by a few days.
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PDFDOI: https://doi.org/10.1088/1009-9271/6/S1/40
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