activity
20082025
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 · 3.5k across the 25 of their papers we have counts for

collaborators

25 papers

astro-ph.IM2025

First frequency phase transfer from the 3 mm to the 1 mm band on an Earth-sized baseline

Sara Issaoun, Dominic W. Pesce, María J. Rioja +33

Frequency Phase Transfer (FPT) is a technique designed to increase coherence and sensitivity in radio interferometry by making use of the non-dispersive nature of the troposphere t…

astro-ph.IM2024★ 30 cited

First Very Long Baseline Interferometry Detections at 870μm

Alexander W. Raymond, Sheperd S. Doeleman, Keiichi Asada +276

The first very long baseline interferometry (VLBI) detections at 870m wavelength (345GHz frequency) are reported, achieving the highest diffraction-limited angular resolutio…

astro-ph.GA2023

Subhalos in Galaxy Clusters: Coherent Accretion and Internal Orbits

Chi Han, Kuan Wang, Camille Avestruz +1

Subhalo dynamics in galaxy cluster host halos govern the observed distribution and properties of cluster member galaxies. We use the IllustrisTNG simulation to investigate the accr…

astro-ph.HE2023★ 1.9k cited

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

The Event Horizon Telescope Collaboration

We present the first Event Horizon Telescope (EHT) observations of Sagittarius A* (Sgr A), the Galactic center source associated with a supermassive black hole. These observati…

astro-ph.IM2023★ 1 cited

The Greenland Telescope: Construction, Commissioning, and Operations in Pituffik

Ming-Tang Chen, Keiichi Asada, Satoki Matsushita +51

In 2018, the Greenland Telescope (GLT) started scientific observation in Greenland. Since then, we have completed several significant improvements and added new capabilities to the…

astro-ph.HE2023★ 154 cited

A ring-like accretion structure in M87 connecting its black hole and jet

Ru-Sen Lu, Keiichi Asada, Thomas P. Krichbaum +118

The nearby radio galaxy M87 is a prime target for studying black hole accretion and jet formation^{1,2}. Event Horizon Telescope observations of M87 in 2017, at a wavelength of 1.3…