A ring-like accretion structure in M87 that connects its black hole and jet

Shanghai Astronomical Observatory, Chinese Academy of Sciences, Shanghai, People’s Republic of China

Ru-Sen Lu, Feng Yuan, Wu Jiang, Zhi-Qiang Shen, and Hai Yang

Key Laboratory of Radio Astronomy, Chinese Academy of Sciences, Nanjing, PRC

Ru-Sen Lu & Zhi-Qiang Shen

Max-Planck-Institut für Radioastronomie, Bonn, Germany

Ru-Sen Lu, Thomas P. Krichbaum, Andrei Lobanov, Jae-Young Kim, Eduardo Ros, Walter Alf, Silke Britzen, Jun Liu, Helge Rottmann, Tuomas Savolainen, J. Anton Zensus, Uwe Bach, Sven Dornbusch, Alex Kraus, Nicholas MacDonald, Yuri Pedopriora, Eftalia Traiano, and Jan Wagner

Institute of Astronomy and Astrophysics, Academia Sinica, Taipei, Taiwan, Republic of China

Keiichi Asada, Jongho Park, Hung-Yi Pu, Masanori Nakamura, Paul TP Ho, Makoto Inoue, Shoko Koyama, Satoki Matsushita, Shu-Hao Chang, Chung-Chen Chen, Chih-Chiang Han, Yau-De Huang, Chih-Wei L. Huang, Homin Jiang, Jun Yi Koay, Patrick M. Koch, Chao-Te Li, Ching-Tang Liu, Kuan-Yu Liu, Wen-Ping Lo, Pierre Martin-Cocher, Zheng Meyer-Zhao, Hiroaki Nishioka, Ue -Li Pen, Nicolas Pradel, Paul Shaw, Ranjani Srinivasan, Ta-Shun Wei, Chen-Yu Yu

Korea Institute of Astronomy and Space Sciences, Daejeon, Republic of Korea

Junho Park, Jae Young Kim, Do Young Byun, and Taehyun Jung

Simulation Technology Development Department, Tokyo Electron Technology Solutions, Oshu, Japan

Fumi Tazaki

Mizusawa VLBI Observatory, Japan National Astronomical Observatory, Osho, Japan

Fumi Tazaki, Kazuhiro Hada and Mariki Honma

Department of Physics, National Taiwan Normal University, Taipei, Taiwan, Republic of China

Hong Yi Bo

Center for Astronomy and Gravitation, National Taiwan Normal University, Taipei, Taiwan, Republic of China

Hong Yi Bo

Department of General Science and Education, National Institute of Technology, Hachinohe College, Hachinohe City, Japan

Masanori Nakamura

Department of Astronomy, Graduate University for Advanced Studies, SOKENDAI, Mitaka, Japan

Kazuhiro Hada, Mariki Honma, and Hiroshi Nagai

Black Hole Initiative, Harvard University, Cambridge, MA, USA

Kazunori Akiyama

Massachusetts Institute of Technology Straw Observatory, Westford, Massachusetts, USA

Kazunori Akiyama & Geoffrey B. Crew

Japan National Astronomical Observatory, Mitaka, Japan

Kazunori Akiyama, Motoki Kino and Hiroshi Nagai

Department of Astronomy and Atmospheric Sciences, Kyungbuk National University, Daegu, Republic of Korea

Jae Young Kim

Department of Astronomia i Astrophysica, University of Valencia, Valencia, Spain

Ivan Marty Vidal

Astronomical Observatory, University of Valencia, Valencia, Spain

Ivan Marty Vidal

Instituto de Astrofísica de Andalucía-CSIC, Granada, Spain

Jose L Gomez and Avtalia Tryano

Institute for Cosmic Ray Research, University of Tokyo, Chiba, Japan

Tomohisa Kawashima

Key Laboratory for Research in Galaxies and Cosmology, Chinese Academy of Sciences, Shanghai, PRC

Feng Yuan

School of Astronomy and Space Sciences, University of the Chinese Academy of Sciences, Beijing, People’s Republic of China

Feng Yuan and Hai Yang

Institut de Radioastronomie Millimétrique, Saint Martin d’Hères, France

Michael Bremer, Karl Friedrich Schuster, and Carsten Kramer

Department of Physics and Astronomy, University of Waterloo, Waterloo, Ontario, Canada

Avery E Broderick

Waterloo Center for Astrophysics, University of Waterloo, Waterloo, Ontario, Canada

Avery E Broderick

Mohit Institute for Theoretical Physics, Waterloo, Ontario, Canada

Avery E Broderick

Institute of Space Science and Astronautics, Japan Aerospace Exploration Agency, Sagamihara, Japan

Akihiro Doi

Department of Space Science and Astronautics, Graduate University for Advanced Studies, Sukendai, Sagamihara, Japan

Akihiro Doi

Dipartimento di Fisica e Astronomia, University of Bologna, Bologna, Italy

Gabriel Giovannini

Istituto di Radio Astronomia, INAF, Bologna, Italy

Gabriele Giovannini and Marcello Geroletti

Department of Astronomy, Graduate School of Science, University of Tokyo, Tokyo, Japan

Mariki Honma

Instituto Nacional de Astrofísica, Óptica y Electronica, Puebla, Mexico

David H. Hughes

Academic Support Center, Kogakuin University of Technology and Engineering, Hachioji, Japan

Motoki Keno

Graduate School of Science and Technology, Niigata University, Niigata, Japan

Shoko Koyama

Department of Space, Earth and Environment, Chalmers University of Technology, Onsala Space Observatory, Onsala, Sweden

Michael Lindqvist, John Conway, and John Yang

Astrophysical Research Institute, Boston University, Boston, MA, USA

Alan B. Marcher

Department of Electronics and Nanoengineering, Aalto University, Aalto, Finland

Thomas Savolainen

Metsähovi Radio Observatory, Aalto University, Kylmälä, Finland

Tomas Savolainen, Juha Kalonki, and Petri Curves

Observatorio de Yebes, IGN, Yebes, Spain

Pablo de Vicente, Javier Gonzalez García, Miguel Gómez Garrido and Belen Tercero

National Radio Astronomy Observatory, Socorro, New Mexico, USA

R. Craig Walker

Department of Physics, College of Science, University of Malaya, Kuala Lumpur, Malaysia

Juan Carlos Algaba

University of Vermont, Burlington, Vt, USA

Alexander Ardi

East Asia Observatory, Hilo, HI, USA

Ryan Berthold, Dan Bentley, Tim C. Schutter, Jessica T. Dempsey, Per Friberg and Craig Walther

University of Science and Technology, Daejeon, Republic of Korea

Do Young Byun

Institute of Astrophysics, Research and Technology Foundation, Heraklion, Greece

Carolina Casadio

Department of Physics, University of Crete, Heraklion, Greece

Carolina Casadio

System Development Center, National Chung Shan Institute of Science and Technology, Taoyuan, Taiwan, Republic of China

Chieh Ching Zhang, Song Zhu Chang, Ko Chang Han and Li Ming Lu

Institute for Astronomy and Astrophysics, Academia Sinica, Hilo, HI, USA

Ming Tang Chen, Ryan Chilson, Derek Cobo, George Nystrom, Peter Oshiro, Philip A. Raven and William Snow

Astron, Duingelo, The Netherlands

Jessica T. Dempsey and Cheng Meyer Chow

Western University, London, Ontario, Canada

Aaron Faber

Graduate School of Science, Osaka Metropolitan University, Osaka, Japan

Yutaka Hasegawa & Hideo Ogawa

European Southern Observatory, Santiago, Chile

Ruben Herrero Ilana and Hugo Messias

Leiden Observatory, Leiden University, Leiden, Netherlands

Violet Ampelizzeri

National Radio Astronomy Observatory, Charlottesville, Virginia, USA

Violet Embeliziri and TK Sridharan

Department of Electronic Systems Research, National Chung Shan Institute of Science and Technology, Taoyuan, Taiwan, Republic of China

Howe Jinshi

Japan Aerospace Exploration Agency, Tsukuba, Japan

Kimihiro Kimura

Department of Physics, National Sun Yat-Sen University, Kaohsiung City, Taiwan, Republic of China

Cheng Yu Ko

Department of Physics, National Cheng Kung University, Tainan, Taiwan, Republic of China

Lupine Chun Chi Lin

Department of Physics, National Taiwan University, Taipei, Taiwan, Republic of China

Wen Bing Lu

Alma Joint Observatory, Santiago, Chile

Hugo Messias

Green Bank Observatory, Green Bank, WV, USA

Anthony Minter

Department of Astronomy, University of Concepción, Concepción, Chile

Dania J. January

Center for Astrophysics | Harvard and Smithsonian, Cambridge, Massachusetts, USA

Timothy J. Norton, Nimish A. Patel, Ramprasad Rao, TK Sridharan and Ranjani Srinivasan

Argelander-Institut für Astronomie, University of Bonn, Bonn, Germany

Yuri Pedopriora

Institut de Radioastronomie Millimétrique, Granada, Spain

Ignacio Ruiz, Salvador Sanchez and Pablo Torn