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This lecture by Dr. Ore Gottlieb from the Center for Computational Astrophysics at Flatiron Institute explores the cutting-edge field of multi-messenger astrophysics. Delve into the mysteries of gravitational waves and their connection to cosmic phenomena like gamma-ray bursts (GRBs). Discover a unification model that explains the engines behind both short and long GRBs, challenging conventional understanding of whether neutron stars or black holes drive these powerful events. Learn about recent observations revealing an unexpected class of long-duration GRBs from binary mergers, and explore future possibilities for detecting gravitational wave signals from non-merger events. The presentation demonstrates how accretion disks in rapidly rotating collapsing stars can generate coherent gravitational waves that, combined with supernova electromagnetic signatures, may become candidates for the first non-inspiral multi-messenger detection.
