activity
19972026
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 · 14k across the 84 of their papers we have counts for

collaborators
Showing 2021 · astro-ph.HEShow all

8 papers · 2 filters

astro-ph.HE2021★ 18 cited

The Variability of the Black-Hole Image in M87 at the Dynamical Time Scale

Kaushik Satapathy, Dimitrios Psaltis, Feryal Ozel +235

The black-hole images obtained with the Event Horizon Telescope (EHT) are expected to be variable at the dynamical timescale near their horizons. For the black hole at the center o…

astro-ph.HE2021★ 79 cited

Black Hole Images as Tests of General Relativity: Effects of Spacetime Geometry

Ziri Younsi, Dimitrios Psaltis, Feryal Özel

The images of supermassive black holes surrounded by optically-thin, radiatively-inefficient accretion flows, like those observed with the Event Horizon Telescope, are characterize…

astro-ph.HE2021★ 45 cited

Black Hole Images as Tests of General Relativity: Effects of Plasma Physics

Feryal Ozel, Dimitrios Psaltis, Ziri Younsi

The horizon-scale images of black holes obtained with the Event Horizon Telescope have provided new probes of their metrics and tests of General Relativity. The images are characte…

astro-ph.HE2021

The Polarized Image of a Synchrotron Emitting Ring of Gas Orbiting a Black Hole

Ramesh Narayan, Daniel C. M. Palumbo, Michael D. Johnson +237

Synchrotron radiation from hot gas near a black hole results in a polarized image. The image polarization is determined by effects including the orientation of the magnetic field i…

astro-ph.HE2021

Brightness Asymmetry of Black Hole Images as a Probe of Observer Inclination

Lia Medeiros, Chi-Kwan Chan, Ramesh Narayan +2

The Event Horizon Telescope recently captured images of the supermassive black hole in the center of the M87 galaxy, which show a ring-like emission structure with the South side o…

astro-ph.HE2021

First M87 Event Horizon Telescope Results. VIII. Magnetic Field Structure near The Event Horizon

The Event Horizon Telescope Collaboration

Event Horizon Telescope (EHT) observations at 230 GHz have now imaged polarized emission around the supermassive black hole in M87 on event-horizon scales. This polarized synchrotr…