Reference Array and Design Consideration for the Next-Generation Event Horizon Telescope
Name
galaxies-11-00107-v2.pdf
Size
18.78 MB
Format
Adobe PDF
Checksum (MD5)
8aa0b0e9aef72ec9b4878040fd3731e4
Author(s)
Doeleman, Sheperd S.
Barrett, John
Blackburn, Lindy
Bouman, Katherine L.
Broderick, Avery E.
Chaves, Ryan
Fish, Vincent L.
Fitzpatrick, Garret
Freeman, Mark
Fuentes, Antonio
Date Issued
October 18, 2023
Publisher
Multidisciplinary Digital Publishing Institute
Citation
Galaxies 11 (5): 107 (2023)
Version
Final published version
Abstract
We describe the process to design, architect, and implement a transformative enhancement of the Event Horizon Telescope (EHT). This program—the next-generation Event Horizon Telescope (ngEHT)—will form a networked global array of radio dishes capable of making high-fidelity real-time movies of supermassive black holes (SMBH) and their emanating jets. This builds upon the EHT principally by deploying additional modest-diameter dishes to optimized geographic locations to enhance the current global mm/submm wavelength Very Long Baseline Interferometric (VLBI) array, which has, to date, utilized mostly pre-existing radio telescopes. The ngEHT program further focuses on observing at three frequencies simultaneously for increased sensitivity and Fourier spatial frequency coverage. Here, the concept, science goals, design considerations, station siting, and instrument prototyping are discussed, and a preliminary reference array to be implemented in phases is described.
MIT Department
Haystack Observatory
Terms of Use
Creative Commons Attribution
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DOI of Published Version
https://doi.org/10.3390/galaxies11050107
