A ring-like accretion structure in M87 connecting its black hole and jet
Journal
Date Issued
2023
Author(s)
Lu, Ru-Sen
•
Asada, Keiichi
•
Krichbaum, Thomas P.
•
Park, Jongho
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Tazaki, Fumie
•
Pu, Hung-Yi
•
Nakamura, Masanori
•
Lobanov, Andrei
•
Hada, Kazuhiro
•
Akiyama, Kazunori
•
Kim, Jae-Young
•
Marti-Vidal, Ivan
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Gómez, José L.
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Kawashima, Tomohisa
•
Yuan, Feng
•
Ros, Eduardo
•
Alef, Walter
•
Britzen, Silke
•
Bremer, Michael
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Broderick, Avery E.
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Doi, Akihiro
•
•
•
Ho, Paul T. P.
•
Honma, Mareki
•
Hughes, David H.
•
Inoue, Makoto
•
Jiang, Wu
•
Kino, Motoki
•
Koyama, Shoko
•
Lindqvist, Michael
•
Liu, Jun
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Marscher, Alan P.
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Matsushita, Satoki
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Nagai, Hiroshi
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Rottmann, Helge
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Savolainen, Tuomas
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Schuster, Karl-Friedrich
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Shen, Zhi-Qiang
•
de Vicente, Pablo
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Walker, R. Craig
•
Yang, Hai
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Zensus, J. Anton
•
Algaba, Juan Carlos
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Allardi, Alexander
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Bach, Uwe
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Berthold, Ryan
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Bintley, Dan
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Byun, Do-Young
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Casadio, Carolina
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Chang, Shu-Hao
•
Chang, Chih-Cheng
•
Chang, Song-Chu
•
Chen, Chung-Chen
•
Chen, Ming-Tang
•
Chilson, Ryan
•
Chuter, Tim C.
•
Conway, John
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Crew, Geoffrey B.
•
Dempsey, Jessica T.
•
Dornbusch, Sven
•
Faber, Aaron
•
Friberg, Per
•
García, Javier González
•
Garrido, Miguel Gómez
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Han, Chih-Chiang
•
Han, Kuo-Chang
•
Hasegawa, Yutaka
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Herrero-Illana, Ruben
•
Huang, Yau-De
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Huang, Chih-Wei L.
•
Impellizzeri, Violette
•
Jiang, Homin
•
Jinchi, Hao
•
Jung, Taehyun
•
Kallunki, Juha
•
Kirves, Petri
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Kimura, Kimihiro
•
Koay, Jun Yi
•
Koch, Patrick M.
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Kramer, Carsten
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Kraus, Alex
•
Kubo, Derek
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Kuo, Cheng-Yu
•
Li, Chao-Te
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Lin, Lupin Chun-Che
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Liu, Ching-Tang
•
Liu, Kuan-Yu
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Lo, Wen-Ping
•
Lu, Li-Ming
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MacDonald, Nicholas
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Martin-Cocher, Pierre
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Messias, Hugo
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Meyer-Zhao, Zheng
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Minter, Anthony
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Nair, Dhanya G.
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Nishioka, Hiroaki
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Norton, Timothy J.
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Nystrom, George
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Ogawa, Hideo
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Oshiro, Peter
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Patel, Nimesh A.
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Pen, Ue-Li
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Pidopryhora, Yurii
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Pradel, Nicolas
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Raffin, Philippe A.
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Rao, Ramprasad
•
Ruiz, Ignacio
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Sanchez, Salvador
•
Shaw, Paul
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Snow, William
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Sridharan, T. K.
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Srinivasan, Ranjani
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Tercero, Belén
•
Torne, Pablo
•
Traianou, Efthalia
•
Wagner, Jan
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Walther, Craig
•
Wei, Ta-Shun
•
Yang, Jun
•
Yu, Chen-Yu
Abstract
The nearby radio galaxy M87 is a prime target for studying black hole accretion and jet formation1,2. Event Horizon Telescope observations of M87 in 2017, at a wavelength of 1.3 mm, revealed a ring-like structure, which was interpreted as gravitationally lensed emission around a central black hole3. Here we report images of M87 obtained in 2018, at a wavelength of 3.5 mm, showing that the compact radio core is spatially resolved. High-resolution imaging shows a ring-like structure of 8.4−1.1+0.5 Schwarzschild radii in diameter, approximately 50% larger than that seen at 1.3 mm. The outer edge at 3.5 mm is also larger than that at 1.3 mm. This larger and thicker ring indicates a substantial contribution from the accretion flow with absorption effects, in addition to the gravitationally lensed ring-like emission. The images show that the edge-brightened jet connects to the accretion flow of the black hole. Close to the black hole, the emission profile of the jet-launching region is wider than the expected profile of a black-hole-driven jet, suggesting the possible presence of a wind associated with the accretion flow.
Volume
616
Issue
7958
Start page
686
Issn Identifier
0028-0836
Ads BibCode
2023Natur.616..686L
Rights
open.access
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