Articles by Michael D. Johnson

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Michael D. Johnson

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Machine- and deep-learning-driven angular momentum inference from BHEX observations of the n=1 photon ring

1 November 2024 by Joseph Farah and others

High Energy Astrophysical Phenomena

First Very Long Baseline Interferometry Detections at 870μm

9 October 2024 by Alexander Raymond and others

Instrumentation and Methods for Astrophysics, High Energy Astrophysical Phenomena

Selective Dynamical Imaging of Interferometric Data

12 September 2024 by Joseph Farah and others

Instrumentation and Methods for Astrophysics

Accessing a New Population of Supermassive Black Holes with Extensions to the Event Horizon Telescope

25 June 2024 by Xinyue Alice Zhang and others

High Energy Astrophysical Phenomena, Astrophysics of Galaxies

The Black Hole Explorer: Using the Photon Ring to Visualize Spacetime Around the Black Hole

17 June 2024 by Peter Galison and others

General Relativity and Quantum Cosmology

The Black Hole Explorer: Instrument System Overview

14 June 2024 by Daniel Marrone and others at

University of Arizona

Instrumentation and Methods for Astrophysics

The Black Hole Explorer: Back End Electronics

14 June 2024 by Ranjani Srinivasan and others

Instrumentation and Methods for Astrophysics

The Black Hole Explorer: Operating a Hybrid Observatory

13 June 2024 by Sara Issaoun and others

Instrumentation and Methods for Astrophysics

High Data Rate Laser Communications for the Black Hole Explorer

13 June 2024 by Jade Wang and others

Instrumentation and Methods for Astrophysics

Receivers for the Black Hole Explorer (BHEX) Mission

13 June 2024 by C. Edward Tong and others

Instrumentation and Methods for Astrophysics, Superconductivity

The Japanese Vision for the Black Hole Explorer Mission

13 June 2024 by Kazunori Akiyama and others

Instrumentation and Methods for Astrophysics, Astrophysics of Galaxies

The Black Hole Explorer: Motivation and Vision

13 June 2024 by Michael Johnson and others

Instrumentation and Methods for Astrophysics, Astrophysics of Galaxies

The Black Hole Explorer: Photon Ring Science, Detection and Shape Measurement

13 June 2024 by Alexandru Lupsasca and others

General Relativity and Quantum Cosmology, High Energy Astrophysical Phenomena

Prospects of Detecting a Jet in Sagittarius A* with VLBI

9 May 2024 by Erandi Chavez and others

High Energy Astrophysical Phenomena

Bayesian Black Hole Photogrammetry

8 May 2024 by Dominic Chang and others

High Energy Astrophysical Phenomena

Atmospheric limitations for high-frequency ground-based VLBI

1 April 2024 by Dominic Pesce and others

Instrumentation and Methods for Astrophysics

Fundamental Physics Opportunities with the Next-Generation Event Horizon Telescope

4 December 2023 by Dimitry Ayzenberg and others

High Energy Astrophysical Phenomena, Instrumentation and Methods for Astrophysics

Polarimetric Geometric Modeling for mm-VLBI Observations of Black Holes

17 November 2023 by Freek Roelofs and others

High Energy Astrophysical Phenomena, Astrophysics of Galaxies

A search for pulsars around Sgr A* in the first Event Horizon Telescope dataset

29 August 2023 by Pablo Torne and others

High Energy Astrophysical Phenomena, Instrumentation and Methods for Astrophysics

Reference Array and Design Consideration for the next-generation Event Horizon Telescope

17 August 2023 by Sheperd Doeleman and others

Instrumentation and Methods for Astrophysics

Demonstrating Photon Ring Existence with Single-Baseline Polarimetry

11 July 2023 by Daniel C. M. Palumbo and others

High Energy Astrophysical Phenomena, Instrumentation and Methods for Astrophysics

Key Science Goals for the Next-Generation Event Horizon Telescope

21 April 2023 by Michael Johnson and others

High Energy Astrophysical Phenomena, Astrophysics of Galaxies

Comparison of Polarized Radiative Transfer Codes used by the EHT Collaboration

21 March 2023 by Ben Prather and others at

LANL

High Energy Astrophysical Phenomena

Accretion Flow Morphology in Numerical Simulations of Black Holes from the ngEHT Model Library: The Impact of Radiation Physics

7 March 2023 by Koushik Chatterjee and others

High Energy Astrophysical Phenomena

Enabling Transformational ngEHT Science via the Inclusion of 86 GHz Capabilities

10 February 2023 by Sara Issaoun and others

Instrumentation and Methods for Astrophysics

The Event Horizon Telescope Image of the Quasar NRAO 530

9 February 2023 by Svetlana Jorstad and others

High Energy Astrophysical Phenomena, Astrophysics of Galaxies

Multi-frequency Black Hole Imaging for the Next-Generation Event Horizon Telescope

9 February 2023 by Andrew Chael and others

High Energy Astrophysical Phenomena, Instrumentation and Methods for Astrophysics

The ngEHT Analysis Challenges

21 December 2022 by Freek Roelofs and others

Instrumentation and Methods for Astrophysics, High Energy Astrophysical Phenomena

Expectations for Horizon-Scale Supermassive Black Hole Population Studies with the ngEHT

1 December 2022 by Dominic Pesce and others

Cosmology and Nongalactic Astrophysics

How Spatially Resolved Polarimetry Informs Black Hole Accretion Flow Models

7 November 2022 by Angelo Ricarte and others

High Energy Astrophysical Phenomena

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High Energy Astrophysical Phenomena Instrumentation and Methods for Astrophysics Astrophysics of Galaxies General Relativity and Quantum Cosmology High Energy Physics Cosmology and Nongalactic Astrophysics Solar and Stellar Astrophysics Computer Vision and Pattern Recognition Superconductivity Atomic and Molecular Clusters Statistical Mechanics