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Precessing jet nozzle connecting to a spinning black hole in M87

Journal
Date Issued
2023
Author(s)
Cui, Yuzhu
•
Hada, Kazuhiro
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Kawashima, Tomohisa
•
Kino, Motoki
•
Lin, Weikang
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Mizuno, Yosuke
•
Ro, Hyunwook
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Honma, Mareki
•
Yi, Kunwoo
•
Yu, Jintao
•
Park, Jongho
•
Jiang, Wu
•
Shen, Zhiqiang
•
•
Algaba, Juan-Carlos
•
Cheng, Xiaopeng
•
Cho, Ilje
•
•
•
Jung, Taehyun
•
Lu, Ru-Sen
•
Niinuma, Kotaro
•
Oh, Junghwan
•
Ohsuga, Ken
•
Sawada-Satoh, Satoko
•
Sohn, Bong Won
•
Takahashi, Hiroyuki R.
•
Takamura, Mieko
•
Tazaki, Fumie
•
Trippe, Sascha
•
Wajima, Kiyoaki
•
Akiyama, Kazunori
•
An, Tao
•
Asada, Keiichi
•
•
Byun, Do-Young
•
Cui, Lang
•
Hagiwara, Yoshiaki
•
Hirota, Tomoya
•
Hodgson, Jeffrey
•
Kawaguchi, Noriyuki
•
Kim, Jae-Young
•
Lee, Sang-Sung
•
Lee, Jee Won
•
Lee, Jeong Ae
•
•
•
Melnikov, Alexey
•
•
Oh, Se-Jin
•
Sugiyama, Koichiro
•
Wang, Xuezheng
•
Zhang, Yingkang
•
Chen, Zhong
•
Hwang, Ju-Yeon
•
Jung, Dong-Kyu
•
Kim, Hyo-Ryoung
•
Kim, Jeong-Sook
•
Kobayashi, Hideyuki
•
Li, Bin
•
Li, Guanghui
•
Li, Xiaofei
•
Liu, Zhiyong
•
Liu, Qinghui
•
Liu, Xiang
•
Oh, Chung-Sik
•
Oyama, Tomoaki
•
Roh, Duk-Gyoo
•
Wang, Jinqing
•
Wang, Na
•
Wang, Shiqiang
•
Xia, Bo
•
Yan, Hao
•
Yeom, Jae-Hwan
•
Yonekura, Yoshinori
•
Yuan, Jianping
•
Zhang, Hua
•
Zhao, Rongbing
•
Zhong, Weiye
DOI
Abstract
The nearby radio galaxy M87 offers a unique opportunity to explore the connections between the central supermassive black hole and relativistic jets. Previous studies of the inner region of M87 revealed a wide opening angle for the jet originating near the black hole1–4. The Event Horizon Telescope resolved the central radio source and found an asymmetric ring structure consistent with expectations from general relativity5. With a baseline of 17 years of observations, there was a shift in the jet’s transverse position, possibly arising from an 8- to 10-year quasi-periodicity3. However, the origin of this sideways shift remains unclear. Here we report an analysis of radio observations over 22 years that suggests a period of about 11 years for the variation in the position angle of the jet. We infer that we are seeing a spinning black hole that induces the Lense–Thirring precession of a misaligned accretion disk. Similar jet precession may commonly occur in other active galactic nuclei but has been challenging to detect owing to the small magnitude and long period of the variation.
Volume
621
Issue
7980
Start page
711
Uri
Url
Issn Identifier
0028-0836
Rights
open.access
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