First M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole

Kazunori Akiyama, A. Alberdi, W. Alef, Keiichi Asada, Rebecca Azulay, Anne-Kathrin Baczko, David Ball, Mislav Baloković, John Barrett, Dan Bintley, Lindy Blackburn, W. Boland, Katherine L. Bouman, Geoffrey C. Bower, Michael Bremer, Christiaan D. Brinkerink, Roger Brissenden, S. Britzen, Avery E. Broderick, Dominique Broguière, Thomas Bronzwaer, Do‐Young Byun, J. E. Carlstrom, Andrew Chael, Chi‐kwan Chan, Shami Chatterjee, Koushik Chatterjee, Ming‐Tang Chen, Xiaopeng Cheng, Ilje Cho, Pierre Christian, J. E. Conway, J. M. Cordes, G. Crew, Yuzhu Cui, Jordy Davelaar, Mariafelicia De Laurentis, Roger Deane, Jessica Dempsey, G. Desvignes, Jason Dexter, Sheperd S. Doeleman, Ralph P. Eatough, H. Falcke, Vincent L. Fish, Ed Fomalont, Raquel Fraga-Encinas, William T. Freeman, Per Friberg, Christian M. Fromm, José L. Gómez, Peter Galison, Charles F. Gammie, Roberto García, Olivier Gentaz, Boris Georgiev, C. Goddi, Roman Gold, Minfeng Gu, Mark Gurwell, Kazuhiro Hada, M. H. Hecht, Ronald Hesper, Luis C. Ho, Paul T. P. Ho, Mareki Honma, Chih-Wei L. Huang, Lei 磊 Huang 黄, D. H. Hughes, Shiro Ikeda, Makoto Inoue, Sara Issaoun, D. J. James, Buell T. Jannuzi, Michaël Janssen, Britton Jeter, Wu Jiang, Michael D. Johnson, Svetlana G. Jorstad, Taehyun Jung, Mansour Karami, R. Karuppusamy, Tomohisa Kawashima, Garrett K. Keating, Mark Kettenis, Jae-Young Kim, Junhan Kim, Jongsoo Kim, Motoki Kino, Jun Yi Koay, Patrick M. Koch, Shoko Koyama, Michael Kramer, C. Krämer, T. P. Krichbaum, Cheng‐Yu Kuo, Tod R. Lauer, Sang-Sung Lee, Yan-Rong Li, Zhiyuan 志远 Li 李, M. Lindqvist, Kuo Liu, Elisabetta Liuzzo, Wen-Ping Lo, A. P. Lobanov, Laurent Loinard, C. J. Lonsdale, Ru-Sen Lu, Nicholas R. MacDonald, Jirong 基荣 Mao 毛, Sera Markoff, Daniel P. Marrone, Alan P. Marscher, I. Martí‐Vidal, Satoki Matsushita, Lynn D. Matthews, Lia Medeiros, K. M. Menten, Yosuke Mizuno, Izumi Mizuno, J. M. Moran, Kotaro Moriyama, Monika Mościbrodzka, Cornelia Müller, Hiroshi Nagai, Neil M. Nagar, Masanori Nakamura, Ramesh Narayan, Gopal Narayanan, Iniyan Natarajan, R. Neri, Chunchong Ni, A. Noutsos, Hiroki Okino, Héctor Olivares, Gisela N. Ortiz-León, Tomoaki Oyama, Feryal Özel, Daniel C. M. Palumbo, Nimesh Patel, Ue‐Li Pen, Dominic W. Pesce, Vincent Piétu, R. L. Plambeck, Aleksandar PopStefanija, Oliver Porth, Ben Prather, Jorge A. Preciado-López, Dimitrios Psaltis, Hung-Yi Pu, Venkatessh Ramakrishnan, Ramprasad Rao, Mark G. Rawlings, Alexander W. Raymond, Luciano Rezzolla, Bart Ripperda, Freek Roelofs, A. E. E. Rogers, E. Ros, Mel Rose, Arash Roshanineshat, Helge Rottmann, A. L. Roy, Chet Ruszczyk, Benjamin R. Ryan, K. L. J. Rygl, Salvador Sánchez, David Sánchez-Argüelles, Mahito Sasada, T. Savolainen, F. Peter Schloerb, K. Schüster, Lijing Shao, Zhi-Qiang Shen, Des Small, Bong Won Sohn, Jason Soohoo, Fumie Tazaki, Paul Tiede, R. P. J. Tilanus, Michael Titus, Kenji Toma, Pablo Torné, Tyler Trent, Sascha Trippe, Shuichiro Tsuda, Ilse van Bemmel, Huib Jan van Langevelde, Daniel R. van Rossum, Jan Wagner, J. F. C. Wardle, Jonathan Weintroub, Norbert Wex, Robert Wharton, Maciek Wielgus, George N. Wong, Qingwen 庆文 Wu 吴, Ken Young, André Young, Ziri Younsi, Feng 峰 Yuan 袁, Ye-Fei 业飞 Yuan 袁, J. A. Zensus, Guang-Yao Zhao, Shan-Shan Zhao, Ziyan Zhu, Juan Carlos Algaba, Alexander Allardi, Rodrigo Amestica, J. Anczarski, U. Bach, Frederick K. Baganoff, Christopher Beaudoin, B. A. Benson, Ryan Berthold, J. Blanchard, R. Blundell, Sandra Bustamente, R. J. Cappallo, Edgar Castillo-Domínguez, Chih-Cheng Chang, Shu-Hao Chang, Song-Chu Chang, Chung-Chen Chen, Ryan Chilson, Tim C. Chuter, Rodrigo Córdova Rosado, I. M. Coulson, T. M. Crawford, Joseph Crowley, John David, M. Derome, Matthew R. Dexter, Sven Dornbusch, Kevin A. Dudevoir, Sergio A. Dzib, A. Eckart, Chris Eckert, N. R. Erickson, W. Everett, Aaron Faber, Joseph Farah, Vernon Fath, Thomas W. Folkers, David C. Forbes, R. Freund, Arturo I. Gómez-Ruiz, David M. Gale, F. Gao, Gertie Geertsema, D. A. Graham, Christopher H. Greer, Ronald Grosslein, Frédéric Gueth, Daryl Haggard, N. W. Halverson, Chih-Chiang Han, Kuo-Chang Han, H. Jinchi, Yutaka Hasegawa, J. W. Henning, A. Hernández-Gómez, R. Herrero‐Illana, S. Heyminck, Akihiko Hirota, James Hoge, Yau-De Huang, C. M. Violette Impellizzeri, Homin Jiang, A. Kamble, Ryan Keisler, Kimihiro Kimura, Yusuke Kono, Derek Kubo, John Kuroda, Richard Lacasse, Robert A. Laing, E. M. Leitch, Chao-Te Li, L. C.-C. Lin, Ching-Tang Liu, Kuan-Yu Liu, Li-Ming Lu, R. G. Marson, Pierre Martin-Cocher, Kyle Massingill, Callie Matulonis, Martin P. McColl, Stephen R. McWhirter, Hugo Messias, Zheng Meyer-Zhao, Daniel Michalik, Alfredo Montaña, William Montgomerie, Matias Mora-Klein, D. Muders, Andrew Nadolski, S. Navarro, Joey Neilsen, Chi H. Nguyen, Hiroaki Nishioka, Timothy Norton, Michael A. Nowak, George Nystrom, Hideo Ogawa, Peter Oshiro, Tomoaki Oyama, Harriet Parsons, Scott Paine, J. Peñalver, N. Phillips, Michael Poirier, Nicolas Pradel, Rurik A. Primiani, Philippe Raffin, A. Rahlin, George Reiland, C. Risacher, Ignacio Ruiz, Alejandro F. Sáez-Madaín, Remi Sassella, P. Schellart, Paul Shaw, Kevin M. Silva, Hotaka Shiokawa, David R. Smith, W. M. Snow, Kamal Souccar, Don Sousa, T. K. Sridharan, Ranjani Srinivasan, William Stahm, A. A. Stark, Kyle Story, Sjoerd T. Timmer, Laura Vertatschitsch, Craig Walther, Ta-Shun Wei, N. Whitehorn, A. R. Whitney, D. P. Woody, J. G. A. Wouterloot, Melvin Wright, Paul Yamaguchi, Chen-Yu Yu, Milagros Zeballos, Shuo Zhang, L. M. Ziurys

The Astrophysical Journal Letters, 2019