activity
19982026
most citedFirst Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way

1.9k citations · 20.2k across the 135 of their papers we have counts for

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Showing 2022Show all

9 papers · 1 filter

astro-ph.IM2022

The ngEHT Analysis Challenges

Freek Roelofs, Lindy Blackburn, Greg Lindahl +15

The next-generation Event Horizon Telescope (ngEHT) will be a significant enhancement of the Event Horizon Telescope (EHT) array, with new antennas and instrumental upgra…

astro-ph.HE2022★ 22 cited

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

Koushik Chatterjee, Andrew Chael, Paul Tiede +18

In the past few years, the Event Horizon Telescope (EHT) has provided the first-ever event horizon-scale images of the supermassive black holes (BHs) (M87*) and Sagittarius A (…

astro-ph.GA2022

Tracing the hot spot motion using the next generation Event Horizon Telescope (ngEHT)

Razieh Emami, Paul Tiede, Sheperd S. Doeleman +19

We propose to trace the dynamical motion of a shearing hot spot near the SgrA* source through a dynamical image reconstruction algorithm, StarWarps. Such a hot spot may form as the…

astro-ph.HE2022

Probing plasma composition with the next generation Event Horizon Telescope (ngEHT)

Razieh Emami, Richard Anantua, Angelo Ricarte +15

We explore the plasma matter content in the innermost accretion disk/jet in M87* as relevant for an enthusiastic search for the signatures of anti-matter in the next generation of…

astro-ph.GA2022★ 32 cited

Unraveling Twisty Linear Polarization Morphologies in Black Hole Images

Razieh Emami, Angelo Ricarte, George N. Wong +23

We investigate general relativistic magnetohydrodynamic simulations (GRMHD) to determine the physical origin of the twisty patterns of linear polarization seen in spatially resolve…

astro-ph.HE2022★ 69 cited

The Photon Ring in M87*

Avery E. Broderick, Dominic W. Pesce, Paul Tiede +48

We report measurements of the gravitationally lensed secondary image -- the first in an infinite series of so-called "photon rings" -- around the supermassive black hole M87* via s…