activity
20102026
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 · 14.8k across the 74 of their papers we have counts for

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Showing 2022Show all

7 papers · 1 filter

astro-ph.IM2022★ 27 cited

CASA on the fringe -- Development of VLBI processing capabilities for CASA

Ilse M. van Bemmel, Mark Kettenis, Des Small +14

New functionality to process Very Long Baseline Interferometry (VLBI) data has been implemented in the CASA package. This includes two new tasks to handle fringe fitting and VLBI-s…

astro-ph.IM2022

Software and techniques for VLBI data processing and analysis

Michael Janssen, Jack F. Radcliffe, Jan Wagner

Very-long-baseline interferometry (VLBI) is a challenging observational technique, which requires in-depth knowledge about radio telescope instrumentation, interferometry, and the…

astro-ph.HE2022★ 47 cited

Resolving the inner parsec of the blazar J1924-2914 with the Event Horizon Telescope

Sara Issaoun, Maciek Wielgus, Svetlana Jorstad +27

The blazar J1924-2914 is a primary Event Horizon Telescope (EHT) calibrator for the Galactic Center's black hole Sagittarius A*. Here we present the first total and linearly polari…

astro-ph.HE2022★ 112 cited

Millimeter light curves of Sagittarius A* observed during the 2017 Event Horizon Telescope campaign

Maciek Wielgus, Nicola Marchili, Ivan Marti-Vidal +28

The Event Horizon Telescope (EHT) observed the compact radio source, Sagittarius A* (Sgr A*), in the Galactic Center on 2017 April 5-11 in the 1.3 millimeter wavelength band. At th…

astro-ph.HE2022★ 29 cited

Unravelling the Innermost Jet Structure of OJ 287 with the First GMVA+ALMA Observations

Guang-Yao Zhao, Jose L. Gomez, Antonio Fuentes +33

We present the first very-long-baseline interferometric (VLBI) observations of the blazar OJ287 carried out jointly with the Global Millimeter VLBI Array (GMVA) and the phased Atac…

astro-ph.IM2022

The science case and challenges of space-borne sub-millimeter interferometry

Leonid I. Gurvits, Zsolt Paragi, Ricardo I. Amils +51

Ultra-high angular resolution in astronomy has always been an important vehicle for making fundamental discoveries. Recent results in direct imaging of the vicinity of the supermas…