Hot accretion flows around black holes
Black hole accretion flows can be divided into two broad classes: cold and hot. Whereas
cold accretion flows consist of cool optically thick gas and are found at relatively high mass …
cold accretion flows consist of cool optically thick gas and are found at relatively high mass …
[HTML][HTML] First Sagittarius A* Event Horizon Telescope results. I. The shadow of the supermassive black hole in the center of the Milky Way
First Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive
Black Hole in the Center of the Milky Way - IOPscience Skip to content IOP Science home …
Black Hole in the Center of the Milky Way - IOPscience Skip to content IOP Science home …
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 …
stationary, vacuum, axisymmetric metric, without electromagnetic charge, that satisfies …
Neutrino-dominated accretion flows as the central engine of gamma-ray bursts
Neutrino-dominated accretion flows (NDAFs) around rotating stellar-mass black holes (BHs)
are plausible candidates for the central engines of gamma-ray bursts (GRBs). NDAFs are …
are plausible candidates for the central engines of gamma-ray bursts (GRBs). NDAFs are …
First Sagittarius A* Event Horizon Telescope Results. II. EHT and Multi-wavelength Observations, Data Processing, and Calibration
Event Horizon Telescope Collaboration - arXiv preprint arXiv …, 2023 - arxiv.org
We present Event Horizon Telescope (EHT) 1.3 mm measurements of the radio source
located at the position of the supermassive black hole Sagittarius A*(Sgr A*), collected …
located at the position of the supermassive black hole Sagittarius A*(Sgr A*), collected …
Wind-fed GRMHD simulations of Sagittarius A*: tilt and alignment of jets and accretion discs, electron thermodynamics, and multiscale modelling of the rotation …
SM Ressler, CJ White, E Quataert - Monthly Notices of the Royal …, 2023 - academic.oup.com
Wind-fed models offer a unique way to form predictive models of the accretion flow
surrounding Sagittarius A*. We present 3D wind-fed magnetohydrodynamic (MHD) and …
surrounding Sagittarius A*. We present 3D wind-fed magnetohydrodynamic (MHD) and …
Detection of orbital motions near the last stable circular orbit of the massive black hole SgrA
We report the detection of continuous positional and polarization changes of the compact
source SgrA* in high states (“flares”) of its variable near-infrared emission with the near …
source SgrA* in high states (“flares”) of its variable near-infrared emission with the near …
Numerical simulation of hot accretion flows. III. Revisiting wind properties using the trajectory approach
Previous MHD simulations have shown that wind must exist in black hole hot accretion
flows. In this paper, we continue our study by investigating the detailed properties of wind …
flows. In this paper, we continue our study by investigating the detailed properties of wind …
An X-ray chimney extending hundreds of parsecs above and below the Galactic Centre
Evidence has mounted in recent decades that outflows of matter and energy from the central
few parsecs of our Galaxy have shaped the observed structure of the Milky Way on a variety …
few parsecs of our Galaxy have shaped the observed structure of the Milky Way on a variety …
Searching for Primordial Black Holes in the radio and X-ray sky
We model the accretion of gas onto a population of massive primordial black holes in the
Milky Way and compare the predicted radio and x-ray emission with observational data. We …
Milky Way and compare the predicted radio and x-ray emission with observational data. We …