75 citations
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4 papers · 1 filter
Extreme-Lensing Signatures Revealed by Correlations of Simulated Black-Hole Movies
Barbora BezdÄková, Shahar Hadar, George Wong +1
A black hole's gravitational pull can deflect light rays to an arbitrary degree. As a result, any source fluctuation near the black hole creates multiple lagged images on an observ…
Ring Asymmetry and Spin in M87*
Vadim Bernshteyn, Nicholas S. Conroy, Michi Bauböck +263
Event Horizon Telescope (EHT) images of the supermassive black hole M87* depict an asymmetric ring of emission. General relativistic magnetohydrodynamic (GRMHD) models of M87* and…
Relativistic Magnetohydrodynamic Simulations of Giant Magnetar Bursts
Koushik Chatterjee, Alexander Philippov, Andrei M. Beloborodov +3
Gradual crustal deformation can generate strongly twisted magnetic fields around magnetars, potentially triggering giant flares with total energies exceeding $10^{44}\,\mathrm{erg}…
Reconnection-driven Flares in M87*: Proton-Synchrotron-powered GeV Emission
Hayk Hakobyan, Amir Levinson, Lorenzo Sironi +2
Magnetic reconnection in current layers that form intermittently in radiatively inefficient accretion flows onto black holes is a promising mechanism for particle acceleration and…