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A Unified Picture of Short and Long Gamma-ray Bursts from Compact Binary Mergers
Ore Gottlieb, Brian Metzger, Eliot Quataert +7
The recent detections of the -s long -ray bursts (GRBs) 211211A and 230307A followed by softer temporally extended emission (EE) and kilonovae, point to a new GRB class.…
How to Turn Jets into Cylinders near Supermassive Black Holes in 3D GRMHD Simulations
Valeriia Rohoza, Aretaios Lalakos, Max Paik +4
Accreting supermassive black holes (SMBHs) produce highly magnetized relativistic jets that tend to collimate gradually as they propagate outward. However, recent radio interferome…
Jets with a Twist: Emergence of FR0 Jets in 3D GRMHD Simulation of Zero Angular Momentum Black Hole Accretion
Aretaios Lalakos, Alexander Tchekhovskoy, Omer Bromberg +4
Spinning supermassive black holes (BHs) in active galactic nuclei (AGN) magnetically launch relativistic collimated outflows, or jets. Without angular momentum supply, such jets ar…
Subphotospheric emission from short gamma-ray bursts: Protons mold the multi-messenger signals
Annika Rudolph, Irene Tamborra, Ore Gottlieb
The origin of the observed Band-like photon spectrum in short gamma-ray bursts (sGRBs) is a long-standing mystery. We carry out the first general relativistic magnetohydrodynamic s…
Large-scale Evolution of Seconds-long Relativistic Jets from Black Hole-Neutron Star Mergers
Ore Gottlieb, Danat Issa, Jonatan Jacquemin-Ide +11
We present the first numerical simulations that track the evolution of a black hole-neutron star (BH-NS) merger from pre-merger to . The disk that forms…
Hours-long Near-UV/Optical Emission from Mildly Relativistic Outflows in Black Hole-Neutron Star Mergers
Ore Gottlieb, Danat Issa, Jonatan Jacquemin-Ide +7
The ongoing LIGO-Virgo-KAGRA observing run O4 provides an opportunity to discover new multi-messenger events, including binary neutron star (BNS) mergers such as GW170817, and the…