First Sagittarius A* event horizon telescope results. VI. Testing the black hole metric
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 …
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 …
Astronomical radio interferometry
Y Asaki, B Alcalde Pampliega, PG Edwards… - Nature Reviews …, 2023 - nature.com
Radio interferometry and its application to arrays of element antennas enable sensitive
studies of celestial objects with angular resolutions comparable with, or surpassing, optical …
studies of celestial objects with angular resolutions comparable with, or surpassing, optical …
Superradiant evolution of the shadow and photon ring of Sgr
Ultralight bosons can affect the dynamics of spinning black holes (BHs) via superradiant
instability, which can lead to a time evolution of the supermassive BH shadow. We study …
instability, which can lead to a time evolution of the supermassive BH shadow. We study …
The Galactic Center as a laboratory for theories of gravity and dark matter
Abstract The Galactic Center (GC) of the Milky Way, thanks to its proximity, allows to perform
astronomical observations that investigate physical phenomena at the edge of astrophysics …
astronomical observations that investigate physical phenomena at the edge of astrophysics …
Observing the inner shadow of a black hole: a direct view of the event horizon
Simulated images of a black hole surrounded by optically thin emission typically display two
main features: a central brightness depression and a narrow" photon ring" consisting of …
main features: a central brightness depression and a narrow" photon ring" consisting of …
Modeling the Sgr A* black hole immersed in a dark matter spike
In this paper, we investigate the effects of a dark matter (DM) spike on the neighborhood of
Sgr A*, the black hole (BH) in the center of the Milky Way. Our main goal is to investigate …
Sgr A*, the black hole (BH) in the center of the Milky Way. Our main goal is to investigate …
First sagittarius A* event horizon telescope results. VI. Testing the black hole metric
V Ramakrishnan, T Savolainen… - Astrophysical Journal …, 2022 - research.aalto.fi
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 …
Reference Array and Design Consideration for the next-generation Event Horizon Telescope
We describe the process to design, architect, and implement a transformative enhancement
of the Event Horizon Telescope (EHT). This program—the next-generation Event Horizon …
of the Event Horizon Telescope (EHT). This program—the next-generation Event Horizon …
A universal power-law prescription for variability from synthetic images of black hole accretion flows
The Event Horizon Telescope (EHT) has opened a new window on supermassive black
holes. With the advent of millimeter and submillimeter very long baseline interferometry …
holes. With the advent of millimeter and submillimeter very long baseline interferometry …