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INTEGRAL results on gamma-ray bursts and soft gamma-ray repeaters

By Sandro Mereghetti


Despite not being specifically designed for the study of gamma-ray bursts (GRBs), the INTEGRAL satellite is giving a relevant contribution to this field with the detection of about 10 GRB per year in the IBIS field of view. The ground-based INTEGRAL Burst Alert System (IBAS) has provided real-time localizations with 2-3 arcmin accuracy for most of these events. The INTEGRAL sample now comprises 81 bursts, including 4 of the short class. IBAS has also revealed other transient events from various classes of Galactic sources, most notably short bursts and flares from magnetar candidates. Here I present a summary of the IBAS performances in the eight years since the INTEGRAL launch and review some of the INTEGRAL results for GRBs and Soft Gamma-ray Repeaters.Comment: Invited talk in the 8th INTEGRAL Workshop "The Restless Gamma-ray Universe" (September 27-30, 2010, Dublin, Ireland

Topics: Astrophysics - High Energy Astrophysical Phenomena
Year: 2011
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