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20172026
most citedIlluminating Gravitational Waves: A Concordant Picture of Photons from a Neutron Star Merger

822 citations · 3.3k across the 52 of their papers we have counts for

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54 papers · 1 filter

astro-ph.HE2026

X-ray Through Radio Observations and Modeling of the Soft X-ray Flash GRB 250419A

Genevieve Schroeder, Anna Y. Q. Ho, Gavin P. Lamb +24

Soft X-ray flashes (XRFs) are predicted from a variety of hypothesized phenomena, including "dirty fireballs" (relativistic jets with significant baryon loading), and gamma-ray bur…

astro-ph.HE2026

Strong Black Hole Natal Kicks in Magnetized Accretion-Powered Explosions

Sean E. Li, Ore Gottlieb, Brian D. Metzger

Asymmetric stellar explosions impart an impulse, or natal kick, to their compact remnants by linear momentum conservation. Black hole (BH) natal kicks are often assumed to be weake…

astro-ph.HE2026

GRMHD Simulations of Accreting Proto-Magnetars II. Implications for r-process Nucleosynthesis

Tejas Prasanna, Kyle Parfrey, Brian D. Metzger +3

Newly formed, rapidly spinning, strongly magnetized neutron stars ("millisecond proto-magnetars") can arise in collapsars, neutron star mergers, or white-dwarf accretion-induced co…

astro-ph.HE2026

GRMHD Simulations of Accreting Proto-Magnetars I. Implications for Gamma-Ray Burst Jets and Energetic Explosions

Tejas Prasanna, Kyle Parfrey, Brian D. Metzger +3

Newly formed, rapidly rotating, strongly magnetized neutron stars ("millisecond proto-magnetars") are promising central engines for gamma-ray bursts (GRBs) and luminous supernovae.…

astro-ph.HE2026

Jets from Scratch: Dynamo-Generated Poloidal Magnetic Fields in 3D Collapsar Simulations

Ho-Sang Chan, Ore Gottlieb, Jonatan Jacquemin-Ide +2

The origin of the large-scale poloidal magnetic field required to power relativistic jets in collapsars remains uncertain. While such a field may be inherited during PNS collapse,…

astro-ph.HE2026

The Very Late Time Afterglow of GW170817 Favors a Wobbling Jet

Hao Wang, Ore Gottlieb, Aman Katira +4

GW170817 remains the only binary neutron star merger detected through multimessenger emission. Its afterglow has been monitored for nearly a decade, offering an unprecedented oppor…

astro-ph.HE2025

EP250827b/SN 2025wkm: An X-ray Flash-Supernova Powered by a Central Engine and Circumstellar Interaction

Gokul P. Srinivasaragavan, Dongyue Li, Xander J. Hall +100

We present the discovery of EP250827b/SN 2025wkm, an X-ray Flash (XRF) discovered by the Einstein Probe (EP), accompanied by a broad-line Type Ic supernova (SN Ic-BL) at $z = 0.119…

astro-ph.HE2025

Spinning into the Gap: Direct-Horizon Collapse as the Origin of GW231123 from End-to-End GRMHD Simulations

Ore Gottlieb, Brian D. Metzger, Danat Issa +3

GW231123, the most massive binary black hole (BH) merger observed to date, involves component BHs with masses inside the pair-instability mass gap and unusually high spins. This ch…

astro-ph.HE2025

The Landscape of Collapsar Outflows: Structure, Signatures and Origins of Einstein Probe Relativistic Supernova Transients

Ore Gottlieb

The Einstein Probe is revolutionizing time-domain astrophysics through the discovery of new classes of X-ray transients associated with Type Ic-Broad Line supernovae. These events…

astro-ph.HE2025

Inferring Neutron Star Nuclear Properties from Gravitational-Wave and Gamma-Ray Burst Observations

Hsin-Yu Chen, Ore Gottlieb

Recent discoveries of long gamma-ray bursts accompanied by kilonova emission prompted interest in understanding their progenitors. If these long-duration bursts arise from neutron…

astro-ph.HE2025

Implications of Magnetic Flux-Disk Mass Correlation in Black Hole-Neutron Star Mergers for GRB sub-populations

Manuel R. Izquierdo, Carlos Palenzuela, Steven Liebling +2

We perform numerical relativity simulations of black hole-neutron star (BH-NS) mergers with a fixed mass ratio of , varying the BH spin to produce a wide range of post-merge…

astro-ph.HE2024

Connecting GRBs from Binary Neutron Star Mergers to Nuclear Properties of Neutron Stars

Rosalba Perna, Ore Gottlieb, Estuti Shukla +1

The fate of the binary neutron star (NS) merger remnants hinges sensitively upon the NS equation of state and the threshold mass, , that separates a long-lived from a s…

astro-ph.HE2024

A Unified Model of Kilonovae and GRBs in Binary Mergers Establishes Neutron Stars as the Central Engines of Short GRBs

Ore Gottlieb, Brian D. Metzger, Francois Foucart +1

We expand the theoretical framework by Gottlieb el al. (2023), which connects binary merger populations with long and short binary gamma-ray bursts (lbGRBs and sbGRBs), incorporati…

astro-ph.HE2024★ 1 cited

Subphotospheric Emission from Short Gamma-Ray Bursts. II.~Signatures of Non-Thermal Dissipation in the Multi-Messenger Signals

Annika Rudolph, Irene Tamborra, Ore Gottlieb

Building on a general relativistic magnetohydrodynamic simulation of a short gamma-ray burst (sGRB) jet with initial magnetization , propagating through the dynamical ejec…

astro-ph.HE2024★ 2 cited

Fast Transients from Magnetic Disks Around Non-Spinning Collapsar Black Holes

Justin Bopp, Ore Gottlieb

Most black holes (BHs) formed in collapsing stars have low spin, though some are expected to acquire a magnetic accretion disk during the collapse. While such BH disks can launch m…

astro-ph.HE2024★ 18 cited

Magnetically-Driven Neutron-Rich Ejecta Unleashed: Global 3D Neutrino-General Relativistic Magnetohydrodynamic Simulations of Collapsars Probe the Conditions for r-process Nucleosynthesis

Danat Issa, Ore Gottlieb, Brian Metzger +5

Collapsars - rapidly rotating stellar cores that form black holes - can power gamma-ray bursts (GRBs) and are proposed to be key contributors to the production of heavy elements in…

astro-ph.HE2024

Late Jets, Early Sparks: Illuminating the Premaximum Bumps in Superluminous Supernovae

Ore Gottlieb, Brian D. Metzger

Superluminous supernovae (SLSNe) radiate times more energy than ordinary stellar explosions, implicating a novel power source behind these enigmatic events. One fr…

astro-ph.HE2024

She's Got Her Mother's Hair: Unveiling the Origin of Black Hole Magnetic Fields through Stellar to Collapsar Simulations

Ore Gottlieb, Mathieu Renzo, Brian D. Metzger +2

Relativistic jets from a Kerr black hole (BH) following the core collapse of a massive star ("collapsar") is a leading model for gamma-ray bursts (GRBs). However, the two key ingre…

astro-ph.HE2024★ 1 cited

In LIGO's Sight? Vigorous Coherent Gravitational Waves from Cooled Collapsar Disks

Ore Gottlieb, Amir Levinson, Yuri Levin

We present the first numerical study of gravitational waves (GWs) from collapsar disks, using state-of-the-art 3D general relativistic magnetohydrodynamic simulations of collapsing…

astro-ph.HE2023★ 3 cited

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.…

astro-ph.HE2023

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…

astro-ph.HE2023★ 1 cited

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…

astro-ph.HE2023★ 10 cited

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…

astro-ph.HE2023★ 1 cited

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…