[HTML][HTML] First Very Long Baseline Interferometry Detections at 870 μm
AW Raymond, SS Doeleman, K Asada… - The Astronomical …, 2024 - iopscience.iop.org
The technique of very long baseline interferometry (VLBI) involves a network of
independently clocked telescopes separated by large distances, which simultaneously …
independently clocked telescopes separated by large distances, which simultaneously …
The japanese vision for the black hole explorer mission
The Black Hole Explorer (BHEX) is a next-generation space very long baseline
interferometry (VLBI) mission concept that will extend the ground-based millimeter …
interferometry (VLBI) mission concept that will extend the ground-based millimeter …
[HTML][HTML] M 87: a cosmic laboratory for deciphering black hole accretion and jet formation
Over the past decades, there has been significant progress in our understanding of
accreting supermassive black holes (SMBHs) that drive active galactic nuclei (AGNs), both …
accreting supermassive black holes (SMBHs) that drive active galactic nuclei (AGNs), both …
Avoiding singularities in Lorentzian-Euclidean black holes: The role of atemporality
We investigate a Schwarzschild metric exhibiting a signature change across the event
horizon, which gives rise to what we term a Lorentzian-Euclidean black hole. The resulting …
horizon, which gives rise to what we term a Lorentzian-Euclidean black hole. The resulting …
Explanation for the Absence of Secondary Peaks in Black Hole Light Curve Autocorrelations
The observed radiation from hot gas accreting onto a black hole depends on both the details
of the flow and the spacetime geometry. The lensing behavior of a black hole produces a …
of the flow and the spacetime geometry. The lensing behavior of a black hole produces a …
Constraints on the black-hole charges of M87* and Sagittarius A* by changing rates of photon spheres can be relaxed
N Tsukamoto, R Kase - Physical Review D, 2024 - APS
The Event Horizon Telescope (EHT) Collaboration observed ring images called the
shadows of M87* and Sagittarius A*(Sgr A*), which are supermassive objects in M87 and …
shadows of M87* and Sagittarius A*(Sgr A*), which are supermassive objects in M87 and …
Dynamical Properties of Magnetized Low-angular-momentum Accretion Flows around a Kerr Black Hole
IK Dihingia, Y Mizuno - The Astrophysical Journal, 2024 - iopscience.iop.org
An essential factor for determining the characteristics of an accretion flow is its angular
momentum. According to the angular momentum of the flow, semi-analytical analysis …
momentum. According to the angular momentum of the flow, semi-analytical analysis …
Multifrequency Analysis of Favored Models for the Messier 87* Accretion Flow
DCM Palumbo, M Bauböck… - The Astrophysical …, 2024 - iopscience.iop.org
The polarized images of the supermassive black hole Messier 87*(M87*) produced by the
Event Horizon Telescope (EHT) provide a direct view of the near-horizon emission from a …
Event Horizon Telescope (EHT) provide a direct view of the near-horizon emission from a …
Accessing a New Population of Supermassive Black Holes with Extensions to the Event Horizon Telescope
XA Zhang, A Ricarte, DW Pesce, MD Johnson… - arXiv preprint arXiv …, 2024 - arxiv.org
The Event Horizon Telescope has produced resolved images of the supermassive black
holes Sgr A* and M87*, which present the largest shadows on the sky. In the next decade …
holes Sgr A* and M87*, which present the largest shadows on the sky. In the next decade …
[HTML][HTML] Discovery of Limb Brightening in the Parsec-scale Jet of NGC 315 through Global Very Long Baseline Interferometry Observations and Its Implications for Jet …
J Park, GY Zhao, M Nakamura, Y Mizuno… - The Astrophysical …, 2024 - iopscience.iop.org
We report the first observation of the nearby giant radio galaxy NGC 315 using a global very
long baseline interferometry (VLBI) array consisting of 22 radio antennas located across five …
long baseline interferometry (VLBI) array consisting of 22 radio antennas located across five …