Rayleigh–Taylor and Richtmyer–Meshkov instability induced flow, turbulence, and mixing. II

Y Zhou - Physics Reports, 2017 - Elsevier
Abstract Rayleigh–Taylor (RT) and Richtmyer–Meshkov (RM) instabilities are well-known
pathways towards turbulent mixing layers, in many cases characterized by significant mass …

The origin of radio emission from radio-quiet active galactic nuclei

F Panessa, RD Baldi, A Laor, P Padovani, E Behar… - Nature …, 2019 - nature.com
The central nuclei of galaxies, where supermassive black holes (SMBHs) are thought to
reside, can experience phases of activity when they become active galactic nuclei (AGNs) …

[HTML][HTML] First Sagittarius A* event horizon telescope results. VI. Testing the black hole metric

K Akiyama, A Alberdi, W Alef, JC Algaba… - The Astrophysical …, 2022 - iopscience.iop.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 …

[HTML][HTML] 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 …

[HTML][HTML] First Sagittarius A* event horizon telescope results. II. EHT and multiwavelength observations, data processing, and calibration

K Akiyama, A Alberdi, W Alef, JC Algaba… - The Astrophysical …, 2022 - iopscience.iop.org
Abstract 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*) …

[HTML][HTML] First M87 event horizon telescope results. VIII. Magnetic field structure near the event horizon

K Akiyama, JC Algaba, A Alberdi, W Alef… - The Astrophysical …, 2021 - iopscience.iop.org
Abstract Event Horizon Telescope (EHT) observations at 230GHz have now imaged
polarized emission around the supermassive black hole in M87 on event-horizon scales …

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 …

Orbital motion near Sagittarius A*-Constraints from polarimetric ALMA observations

M Wielgus, M Moscibrodzka, J Vos, Z Gelles… - Astronomy & …, 2022 - aanda.org
We report on the polarized light curves of the Galactic Center supermassive black hole
Sagittarius A*, obtained at millimeter wavelength with the Atacama Large Millimeter …

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 …

Polarimetry and astrometry of NIR flares as event horizon scale, dynamical probes for the mass of Sgr A

R Abuter, N Aimar, PA Seoane, A Amorim… - Astronomy & …, 2023 - aanda.org
We present new astrometric and polarimetric observations of flares from Sgr A* obtained
with GRAVITY, the near-infrared interferometer at ESO's Very Large Telescope …