Fox, Derek BFrail, Dale APrice, Paul AntonyKulkarni, Shrinivas RBerger, EdoPiran, TSoderberg, A MCenko, Stephen BCameron, P BGal-Yam, AvishayKasliwal, M MMoon, D-SHarrison, F ANakar, EhudSchmidt, BrianPenprase, B EChevalier, Roger AKumar, PRoth, K CWatson, DLee, B LShectman, StephenPhillips, Mark MRoth, MMcCarthy, P JRauch, MCowie, L LPeterson, BruceRich, JoshuaKawai, NAoki, KKosugi, GTotani, TPark, H-SMacFadyen, AHurley, K C2015-12-130028-0836http://hdl.handle.net/1885/80579The final chapter in the long-standing mystery of the γ-ray bursts (GRBs) centres on the origin of the short-hard class of bursts, which are suspected on theoretical grounds to result from the coalescence of neutron-star or black-hole binary systems. Num23 pages© 2005 Nature Publishing Group.Keywords: Galaxies; Galvanizing; Mathematical models; Neutrons; X rays; Afterglow emission; Black-hole binary systems; Magnetars; Stellar populations; Gamma rays; astrophysics; accuracy; article; cosmos; energy; gamma radiation; optics; priority journal; X ray200510.1038/nature041892015-12-11