English
Related papers

Related papers: VLBInet: Radio Interferometry Data Classification …

200 papers

The Event Horizon Telescope (EHT) has imaged the shadow of the supermassive black hole in M87. A library of general relativistic magnetohydrodynamics (GMRHD) models was fit to the observational data, providing constraints on black hole…

High Energy Astrophysical Phenomena · Physics 2021-06-09 Freek Roelofs , Christian M. Fromm , Yosuke Mizuno , Jordy Davelaar , Michael Janssen , Ziri Younsi , Luciano Rezzolla , Heino Falcke

The Event Horizon Telescope (EHT) recently released the first horizon-scale images of the black hole in M87. Combined with other astronomical data, these images constrain the mass and spin of the hole as well as the accretion rate and…

High Energy Astrophysical Phenomena · Physics 2020-07-03 Joshua Yao-Yu Lin , George N. Wong , Ben S. Prather , Charles F. Gammie

Using very long baseline interferometry, the Event Horizon Telescope (EHT) collaboration has resolved the shadows of two supermassive black holes. Model comparison is traditionally performed in image space, where imaging algorithms…

The Event Horizon Telescope (EHT) is a very long baseline interferometry (VLBI) array that comprises millimeter- and submillimeter-wavelength telescopes separated by distances comparable to the diameter of the Earth. At a nominal operating…

Instrumentation and Methods for Astrophysics · Physics 2019-07-08 The Event Horizon Telescope Collaboration

(abridged) In the first two papers of this publication series, we present a comprehensive library of synthetic EHT observations and used this library to train and validate Bayesian neural networks for the parameter inference of accreting…

High Energy Astrophysical Phenomena · Physics 2025-06-18 M. Janssen , C. -k. Chan , J. Davelaar , M. Wielgus

Recent developments in very long baseline interferometry (VLBI) have made it possible for the Event Horizon Telescope (EHT) to resolve the innermost accretion flows of the largest supermassive black holes on the sky. The sparse nature of…

Observing the dynamics of compact astrophysical objects provides insights into their inner workings, thereby probing physics under extreme conditions. The immediate vicinity of an active supermassive black hole with its event horizon,…

Instrumentation and Methods for Astrophysics · Physics 2022-06-07 Philipp Arras , Philipp Frank , Philipp Haim , Jakob Knollmüller , Reimar Leike , Martin Reinecke , Torsten Enßlin

The Event Horizon Telescope (EHT) is a millimeter very long baseline interferometry (VLBI) array that has imaged the apparent shadows of the supermassive black holes M87* and Sagittarius A*. Polarimetric data from these observations contain…

The Event Horizon Telescope (EHT) aims to spatially resolve the silhouette (or shadow) of the supermassive black holes in the Galactic Centre (Sgr A$^\star$) and M87. The primary scientific objectives are to test general relativity in the…

High Energy Astrophysical Phenomena · Physics 2016-09-21 Tariq Blecher , Roger Deane , Gianni Bernardi , Oleg Smirnov

Horizon-scale imaging with the Event Horizon Telescope (EHT) has provided transformative insights into supermassive black holes but its resolution and scope are limited by ground-based constraints such as the size of the Earth, its…

Instrumentation and Methods for Astrophysics · Physics 2024-12-04 Yassine Ben Zineb , Feryal Ozel , Dimitrios Psaltis

The Event Horizon Telescope (EHT) is a project to assemble a Very Long Baseline Interferometry (VLBI) network of mm wavelength dishes that can resolve strong field General Relativistic signatures near a supermassive black hole. As planned,…

Instrumentation and Methods for Astrophysics · Physics 2015-06-19 Ru-Sen Lu , Avery E. Broderick , Fabien Baron , John D. Monnier , Vincent L. Fish , Sheperd S. Doeleman , Victor Pankratius

The Event Horizon Telescope (EHT), now with its first ever image of the photon ring around the supermassive black hole of M87, provides a unique opportunity to probe the physics of supermassive black holes through Very Long Baseline…

The Event Horizon Telescope (EHT) is providing unprecedented high-resolution images of supermassive black holes. These images are fundamentally related to properties of the luminous accretion disks, since black holes themselves produce no…

High Energy Astrophysical Phenomena · Physics 2026-02-13 Alexandra G. Guerrero , Daniel E. Holz

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 black hole accretion and jet system. The EHT theoretical analysis…

High Energy Astrophysical Phenomena · Physics 2024-07-16 Daniel C. M. Palumbo , Michi Baubock , Charles F. Gammie

Recent advances in technology coupled with the progress of observational radio astronomy methods resulted in achieving a major milestone of astrophysics - a direct image of the shadow of a supermassive black hole, taken by the Earth-based…

Instrumentation and Methods for Astrophysics · Physics 2023-10-09 Ben Hudson , Leonid I. Gurvits , Maciek Wielgus , Zsolt Paragi , Lei Liu , Weimin Zheng

The Event Horizon Telescope recently observed the first shadow of a black hole. Images like this can potentially be used to test or constrain theories of gravity and deepen the understanding in plasma physics at event horizon scales, which…

High Energy Astrophysical Phenomena · Physics 2020-05-28 Jeffrey van der Gucht , Jordy Davelaar , Luc Hendriks , Oliver Porth , Hector Olivares , Yosuke Mizuno , Christian M. Fromm , Heino Falcke

The Event Horizon Telescope (EHT) provides a unique opportunity to probe the physics of supermassive black holes through Very Large Baseline Interferometry (VLBI), such as the existence of the event horizon, the accretion processes as well…

High Energy Astrophysical Phenomena · Physics 2018-12-12 Bidisha Bandyopadhyay , Dominik R. G. Schleicher , Neil Nagar , Fu-Guo Xie , Venkatessh Ramakrishnan

The Event Horizon Telescope (EHT) Collaboration has recently published the first horizon-scale images of the supermassive black holes M87* and Sgr A* and provided some first information on the physical conditions in their vicinity. The…

High Energy Astrophysical Phenomena · Physics 2023-11-20 Kotaro Moriyama , Alejandro Cruz-Osorio , Yosuke Mizuno , Christian M. Fromm , Antonios Nathanail , Luciano Rezzolla

In 2019, the Event Horizon Telescope Collaboration (EHTC) has published the first image of a supermassive black hole (SMBH) obtained via the Very Large Baseline Interferometry (VLBI) technique. In the future, it is expected that additional…

High Energy Astrophysical Phenomena · Physics 2021-09-15 Bidisha Bandyopadhyay , Christian Fendt , Dominik R. G. Schleicher , Christos Vourellis

The Event Horizon Telescope (EHT) captured the first images of a black hole using Very Long Baseline Interferometry (VLBI). In the near future, extensions of the EHT such as the Black Hole Explorer (BHEX) will allow access to finer-scale…

High Energy Astrophysical Phenomena · Physics 2026-01-13 Sol Gutiérrez-Lara , Daniel C. M. Palumbo , Michael D. Johnson
‹ Prev 1 2 3 10 Next ›