activity
20062026
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 · 15.2k across the 53 of their papers we have counts for

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Showing astro-ph.IMShow all

14 papers · 1 filter

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.IM2023★ 74 cited

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

Sheperd S. Doeleman, John Barrett, Lindy Blackburn +26

We describe the process to design, architect, and implement a transformative enhancement of the Event Horizon Telescope (ngEHT). This program - the next-generation Event Horizon Te…

astro-ph.IM2022★ 1.1k cited

CASA, the Common Astronomy Software Applications for Radio Astronomy

THE CASA TEAM, Ben Bean, Sanjay Bhatnagar +46

CASA, the Common Astronomy Software Applications, is the primary data processing software for the Atacama Large Millimeter/submillimeter Array (ALMA) and the Karl G. Jansky Very La…

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.IM2020

Radio data archives round table

K. A. Lutz, J. Dempsey, Y. G. Grange +3

With SKA precursor and pathfinder operations in full swing, radio and (sub-)mm astronomy is entering the era of super big data. The big questions is how to make (sub-)mm and radio…

astro-ph.IM2020★ 5 cited

A probabilistic approach to phase calibration: I. Effects of source structure on fringe-fitting

Iniyan Natarajan, Roger Deane, Ilse van Bemmel +6

We propose a probabilistic framework for performing simultaneous estimation of source structure and fringe-fitting parameters in Very Long Baseline Interferometry (VLBI) observatio…

astro-ph.IM2020★ 6 cited

SYMBA: An end-to-end VLBI synthetic data generation pipeline

F. Roelofs, M. Janssen, I. Natarajan +203

Realistic synthetic observations of theoretical source models are essential for our understanding of real observational data. In using synthetic data, one can verify the extent to…

astro-ph.IM2019★ 1.1k cited

First M87 Event Horizon Telescope Results. II. Array and Instrumentation

The Event Horizon Telescope Collaboration

The Event Horizon Telescope (EHT) is a very long baseline interferometry (VLBI) array that comprises millimeter- and submillimeter-wavelength telescopes separated by distances comp…

astro-ph.IM2019★ 75 cited

rPICARD: A CASA-based Calibration Pipeline for VLBI Data

M. Janssen, C. Goddi, H. Falcke +5

Currently, HOPS and AIPS are the primary choices for the time-consuming process of (millimeter) Very Long Baseline Interferometry (VLBI) data calibration. However, for a full end-t…

astro-ph.IM2019★ 2 cited

CASA on the fringe: VLBI data processing in the CASA software package

Ilse van Bemmel, Des Small, Mark Kettenis +3

In recent years new functionality for VLBI data processing has been added to the CASA package. This paper presents the new CASA tasks 'fringefit' and 'accor', which are closely mat…

astro-ph.IM2019★ 2 cited

rPICARD: A CASA-based Calibration Pipeline for VLBI Data. Calibration and imaging of 7 mm VLBA observations of the AGN jet in M87

Michael Janssen, Ciriaco Goddi, Ilse M. van Bemmel +8

(Abridged) The CASA software suite, can now reduce very long baseline interferometry (VLBI) data with the recent addition of a fringe fitter. Here, we present the Radboud PIpeline…

astro-ph.IM2018

Minimal Re-computation for Exploratory Data Analysis in Astronomy

Bojan Nikolic, Des Small, Mark Kettenis

We present a technique to automatically minimise the re-computation when a data analysis program is iteratively changed, or added to, as is often the case in exploratory data analy…

astro-ph.IM2017

Minimal Re-computation for Exploratory Data Analysis in Astronomy

Bojan Nikolic, Des Small, Mark Kettenis

We present a technique to automatically minimise the re-computation when a data processing program is iteratively changed, or added to, as is often the case in exploratory data ana…

astro-ph.IM2015★ 139 cited

The SFXC software correlator for Very Long Baseline Interferometry: Algorithms and Implementation

A. Keimpema, M. M. Kettenis, S. V. Pogrebenko +13

In this paper a description is given of the SFXC software correlator, developed and maintained at the Joint Institute for VLBI in Europe (JIVE). The software is designed to run on…