First Sagittarius A* event horizon telescope results. V. Testing astrophysical models of the galactic center black hole

K Akiyama, A Alberdi, W Alef, JC Algaba… - The Astrophysical …, 2022 - iopscience.iop.org
In this paper we provide a first physical interpretation for the Event Horizon Telescopeʼs
(EHT) 2017 observations of Sgr A*. Our main approach is to compare resolved EHT data at …

First Sagittarius A* Event Horizon Telescope Results. VI: Testing the Black Hole Metric

Event Horizon Telescope Collaboration - arXiv preprint arXiv …, 2023 - arxiv.org
Astrophysical black holes are expected to be described by the Kerr metric. This is the only
stationary, vacuum, axisymmetric metric, without electromagnetic charge, that satisfies …

First M87 event horizon telescope results. IX. Detection of near-horizon circular polarization

K Akiyama, A Alberdi, W Alef, JC Algaba… - The Astrophysical …, 2023 - iopscience.iop.org
Abstract Event Horizon Telescope (EHT) observations have revealed a bright ring of
emission around the supermassive black hole at the center of the M87 galaxy. EHT images …

PIC methods in astrophysics: simulations of relativistic jets and kinetic physics in astrophysical systems

K Nishikawa, I Duţan, C Köhn, Y Mizuno - Living Reviews in …, 2021 - Springer
Abstract The Particle-In-Cell (PIC) method has been developed by Oscar Buneman, Charles
Birdsall, Roger W. Hockney, and John Dawson in the 1950s and, with the advances of …

Magnetoluminescence

R Blandford, Y Yuan, M Hoshino, L Sironi - Space Science Reviews, 2017 - Springer
Abstract Pulsar Wind Nebulae, Blazars, Gamma Ray Bursts and Magnetars all contain
regions where the electromagnetic energy density greatly exceeds the plasma energy …

The event horizon general relativistic magnetohydrodynamic code comparison project

O Porth, K Chatterjee, R Narayan… - The Astrophysical …, 2019 - iopscience.iop.org
Fully general relativistic models of astrophysical sources are in high demand, not only since
the discovery of gravitational waves emitted from merging stellar mass black holes (Abbott et …

Dynamo theories

F Rincon - Journal of Plasma Physics, 2019 - cambridge.org
These lecture notes are based on a tutorial given in 2017 at a plasma physics winter school
in Les Houches. Their aim is to provide a self-contained graduate-student level introduction …

First Sagittarius A* Event Horizon Telescope Results. V. Testing Astrophysical Models of the Galactic Center Black Hole

V Ramakrishnan, T Savolainen… - Astrophysical Journal …, 2022 - research.aalto.fi
In this paper we provide a first physical interpretation for the Event Horizon Telescope's
(EHT) 2017 observations of Sgr A*. Our main approach is to compare resolved EHT data at …

Kinetic Turbulence in Collisionless High- Plasmas

L Arzamasskiy, MW Kunz, J Squire, E Quataert… - Physical Review X, 2023 - APS
We present results from three-dimensional hybrid-kinetic simulations of Alfvénic turbulence
in a high-β, collisionless plasma. The key feature of such turbulence is the interplay between …

The interplay of magnetically dominated turbulence and magnetic reconnection in producing nonthermal particles

L Comisso, L Sironi - The Astrophysical Journal, 2019 - iopscience.iop.org
Magnetized turbulence and magnetic reconnection are often invoked to explain the
nonthermal emission observed from a wide variety of astrophysical sources. By means of …