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Observing—and Imaging—Active Galactic Nuclei with the Event Horizon Telescope

Author(s)
Chael, Andrew A.; Johnson, Michael D.; Doeleman, Sheperd S.; Blackburn, Lindy; Wardle, John F. C.; Freeman, William T.; the Event Horizon Telescope Collaboration; Fish, Vincent; Bouman, Katherine; Chael, Andrew; Johnson, Michael; Doeleman, Sheperd; Wardle, John; Event Horizon Telescope Collaboration; Fish, Vincent L.; Akiyama, Kazunori; Bouman, Katherine L.; Freeman, William T.; ... Show more Show less
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Abstract
Originally developed to image the shadow region of the central black hole in Sagittarius A* and in the nearby galaxy M87, the Event Horizon Telescope (EHT) provides deep, very high angular resolution data on other active galactic nucleus (AGN) sources too. The challenges of working with EHT data have spurred the development of new image reconstruction algorithms. This work briefly reviews the status of the EHT and its utility for observing AGN sources, with emphasis on novel imaging techniques that offer the promise of better reconstructions at 1.3 mm and other wavelengths. Keywords: galaxies: jets; galaxy: center; techniques: high angular resolution; techniques: image processing; techniques: interferometric
Date issued
2016-10
URI
http://hdl.handle.net/1721.1/113376
Department
Haystack Observatory; Massachusetts Institute of Technology. Computer Science and Artificial Intelligence Laboratory
Journal
Galaxies
Publisher
MDPI AG
Citation
Fish, Vincent et al. "Observing—and Imaging—Active Galactic Nuclei with the Event Horizon Telescope." Galaxies 4, 4 (October 2016): 54 © 2016 The Author(s)
Version: Final published version
ISSN
2075-4434

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