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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…
A VLBI receiving system for the South Pole Telescope
Junhan Kim, Daniel P. Marrone, Christopher Beaudoin +15
The Event Horizon Telescope (EHT) is a very-long-baseline interferometry (VLBI) experiment that aims to observe supermassive black holes with an angular resolution that is comparab…
SWARM: A 32 GHz Correlator and VLBI Beamformer for the Submillimeter Array
Rurik A. Primiani, Kenneth H. Young, André Young +7
A 32 GHz bandwidth VLBI capable correlator and phased array has been designed and deployed at the Smithsonian Astrophysical Observatory's Submillimeter Array (SMA). The SMA Wideban…
A Decade of Developing Radio-Astronomy Instrumentation using CASPER Open-Source Technology
Jack Hickish, Zuhra Abdurashidova, Zaki Ali +33
The Collaboration for Astronomy Signal Processing and Electronics Research (CASPER) has been working for a decade to reduce the time and cost of designing, building and deploying n…
Imaging an Event Horizon: Mitigation of Scattering Toward Sagittarius A*
Vincent L. Fish, Michael D. Johnson, Ru-Sen Lu +10
The image of the emission surrounding the black hole in the center of the Milky Way is predicted to exhibit the imprint of general relativistic (GR) effects, including the existenc…