First M87 Event Horizon Telescope Results. VI. The Shadow and Mass of the Central Black Hole

Akiyama, Kazunori; Alberdi, A.; Alef, W.; Asada, Keiichi; Azulay, Rebecca; Baczko, Anne-Kathrin; Ball, David; Baloković, Mislav; Barrett, John; Bintley, Dan; Blackburn, Lindy; Boland, W.; L. Bouman, Katherine; C. Bower, Geoffrey; Bremer, Michael; D. Brinkerink, Christiaan; Brissenden, Roger; Britzen, S.; E. Broderick, Avery; Broguière, Dominique; Bronzwaer, Thomas; Byun, Do‐Young; E. Carlstrom, J.; Chael, Andrew; Chan, Chi‐kwan; Chatterjee, Shami; Chatterjee, Koushik; Chen, Ming‐Tang; Cheng, Xiaopeng; Cho, Ilje; Christian, Pierre; E. Conway, J.; M. Cordes, J.; Crew, G.; Cui, Yuzhu; Davelaar, Jordy; De Laurentis, Mariafelicia; Deane, Roger; Dempsey, Jessica; Desvignes, G.; Dexter, Jason; S. Doeleman, Sheperd; P. Eatough, Ralph; Falcke, H.; L. Fish, Vincent; Fomalont, Ed; Fraga-Encinas, Raquel; Friberg, Per; M. Fromm, Christian; L. Gómez, José; Galison, Peter; F. Gammie, Charles; Garcı́a, Roberto; Gentaz, Olivier; Georgiev, Boris; Goddi, C.; Gold, Roman; Gu, Minfeng; Gurwell, Mark; Hada, Kazuhiro; H. Hecht, M.; Hesper, Ronald; C. Ho, Luis; T. P. Ho, Paul; Honma, Mareki; L. Huang, Chih-Wei; 磊 Huang 黄, Lei; H. Hughes, D.; Ikeda, Shiro; Inoue, Makoto; Issaoun, Sara; J. James, D.; T. Jannuzi, Buell; Janssen, Michaël; Jeter, Britton; Jiang, Wu; D. Johnson, Michael; G. Jorstad, Svetlana; Jung, Taehyun; Karami, Mansour; Karuppusamy, R.; Kawashima, Tomohisa; K. Keating, Garrett; Kettenis, Mark; Kim, Jae-Young; Kim, Junhan; Kim, Jongsoo; Kino, Motoki; Yi Koay, Jun; M. Koch, Patrick; Koyama, Shoko; Kramer, Michael; Krämer, C.; P. Krichbaum, T.; Kuo, Cheng‐Yu; R. Lauer, Tod; Lee, Sang-Sung; Li, Yanrong; 志远 Li 李, Zhiyuan; Lindqvist, M.; Liu, Kuo; Liuzzo, Elisabetta; Lo, Wen-Ping; P. Lobanov, A.; Loinard, Laurent; J. Lonsdale, C.; Lu, Ru-Sen; R. MacDonald, Nicholas; 基荣 Mao 毛, Jirong; Markoff, Sera; P. Marrone, Daniel; P. Marscher, Alan; Martí‐Vidal, I.; Matsushita, Satoki; D. Matthews, Lynn; Medeiros, Lia; M. Menten, K.; Mizuno, Yosuke; Mizuno, Izumi; M. Moran, J.; Moriyama, Kotaro; Mościbrodzka, Monika; Müller, Cornelia; Nagai, Hiroshi; M. Nagar, Neil; Nakamura, Masanori; Narayan, Ramesh; Narayanan, Gopal; Natarajan, Iniyan; Neri, R.; Ni, Chunchong; Noutsos, A.; Okino, Hiroki; Olivares, Héctor; Oyama, Tomoaki; Özel, Feryal; C. M. Palumbo, Daniel; Patel, Nimesh; Pen, Ue‐Li; W. Pesce, Dominic; Piétu, Vincent; L. Plambeck, R.; PopStefanija, Aleksandar; Porth, Oliver; Prather, Ben; A. Preciado-López, Jorge; Psaltis, Dimitrios; Pu, Hung-Yi; Ramakrishnan, Venkatessh; Rao, Ramprasad; G. Rawlings, Mark; W. Raymond, Alexander; Rezzolla, Luciano; Ripperda, Bart; Roelofs, Freek; E. E. Rogers, A.; Ros, E.; Rose, Mel; Roshanineshat, Arash; Rottmann, Helge; L. Roy, A.; Ruszczyk, Chet; R. Ryan, Benjamin; L. J. Rygl, K.; Sánchez, Salvador; Sánchez-Argüelles, David; Sasada, Mahito; Savolainen, T.; Peter Schloerb, F.; Schüster, K.; Shao, Lijing; Shen, Zhi-Qiang; Small, Des; Won Sohn, Bong; Soohoo, Jason; Tazaki, Fumie; Tiede, Paul; P. J. Tilanus, R.; Titus, Michael; Toma, Kenji; Torné, Pablo; Trent, Tyler; Trippe, Sascha; Tsuda, Shuichiro; van Bemmel, Ilse; Jan van Langevelde, Huib; R. van Rossum, Daniel; Wagner, Jan; F. C. Wardle, J.; Weintroub, Jonathan; Wex, Norbert; Wharton, Robert; Wielgus, Maciek; N. Wong, George; 庆文 Wu 吴, Qingwen; Young, André; Young, Ken; Younsi, Ziri; 峰 Yuan 袁, Feng; Yuan, Ye‐Fei; A. Zensus, J.; Zhao, Guang-Yao; Zhao, Shan-Shan; Zhu, Ziyan; Farah, Joseph; Meyer-Zhao, Zheng; Michalik, Daniel; Nadolski, Andrew; Nishioka, Hiroaki; Pradel, Nicolas; A. Primiani, Rurik; Souccar, Kamal; Vertatschitsch, Laura; Yamaguchi, Paul

doi:10.3847/2041-8213/ab1141

Public

First M87 Event Horizon Telescope Results. VI. The Shadow and Mass of the Central Black Hole

Published in The Astrophysical Journal Letters • Apr 9, 2019

Authors:

Kazunori Akiyama

A. Alberdi

W. Alef

Abstract

Abstract We present measurements of the properties of the central radio source in M87 using Event Horizon Telescope data obtained during the 2017 campaign. We develop and fit geometric crescent models (asymmetric rings with interior brightness depressions) using two independent sampling algorithms t...

Subject

Physics

Black hole (networking)

Event horizon

Research Assistant

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