Ring Asymmetry and Spin in M87
文献类型：期刊论文
| 作者 | Bernshteyn, Vadim2,3; Conroy, Nicholas S.4; Baubock, Michi2; Tiede, Paul5,6; Joshi, Abhishek V.2,7; Prather, Ben S.2,8; Gammie, Charles F.2,4,7,9; Akiyama, Kazunori6,10,11; Albentosa-Ruiz, Ezequiel12; Alberdi, Antxon13 |
| 刊名 | ASTROPHYSICAL JOURNAL
 |
| 出版日期 | 2026-04-01 |
| 卷号 | 1000期号:2 |
| ISSN号 | 0004-637X |
| DOI | 10.3847/1538-4357/ae34af |
| 产权排序 | 第112完成单位 |
| 文献子类 | Article |
| 英文摘要 | Event Horizon Telescope (EHT) images of the supermassive black hole M87* depict an asymmetric ring of emission. General relativistic magnetohydrodynamic (GRMHD) models of M87* and its accretion disk predict that the amplitude and location of the ring's peak brightness asymmetry should fluctuate due to turbulence in the source plasma. We compare the observed distribution of brightness asymmetry amplitudes to the simulated distribution in GRMHD models, across varying black hole spin a(*). We show that, for strongly magnetized (MAD) models, three epochs of EHT data marginally disfavor divided by a(*)divided by less than or similar to 0.2. This is consistent with the Blandford-Znajek model for M87's jet, which predicts that M87* should have nonzero spin. We show quantitatively how future observations could improve spin constraints and discuss how improved spin constraints could distinguish between differing jet-launching mechanisms and black hole growth scenarios. |
| 学科主题 | 天文学 ; 星系与宇宙学 |
| URL标识 | 查看原文 |
| 出版地 | No.2 The Distillery, Glassfields, Avon Street, Bristol, ENGLAND |
| WOS关键词 | ADVECTION-DOMINATED ACCRETION ; SUPERMASSIVE BLACK-HOLE ; SAGITTARIUS-A-ASTERISK ; MAGNETICALLY ARRESTED ACCRETION ; EVENT HORIZON ; MAGNETOHYDRODYNAMIC SIMULATIONS ; GALACTIC-CENTER ; X-RAY ; MODELS ; DISKS |
| 资助项目 | NASA divided by Science Mission Directorate (SMD)[80NSSC24K1475]; National Science Foundation (NSF)[AST 17-16327] |
| WOS研究方向 | Astronomy & Astrophysics |
| 语种 | 英语 |
| WOS记录号 | WOS:001723355600001 |
| 出版者 | IOP Publishing Ltd |
| 资助机构 | NASA divided by Science Mission Directorate (SMD)[80NSSC24K1475] ; National Science Foundation (NSF)[AST 17-16327] |
| 版本 | 出版稿 |
| 源URL | [http://ir.ynao.ac.cn/handle/114a53/29133]  |
| 专题 | 云南天文台_中国科学院天体结构与演化重点实验室 |
| 通讯作者 | Conroy, Nicholas S. |
| 作者单位 | 1.East Asian Observatory, 660 N. A’ohoku Place, Hilo, HI 96720, USA; 2.Department of Physics, University of Illinois, 1110 West Green Street, Urbana, IL 61801, USA; 3.Steward Observatory and Department of Astronomy, University of Arizona, 933 N. Cherry Avenue, Tucson, AZ 85721, USA; 4.Department of Astronomy, University of Illinois, 1002 West Green Street, Urbana, IL 61801, USA; nconroy2@illinois.edu; 5.Center for Astrophysics ∣Harvard & Smithsonian, 60 Garden Street, Cambridge, MA 02138, USA; 6.Black Hole Initiative at Harvard University, 20 Garden Street, Cambridge, MA 02138, USA; 7.Illinois Center for Advanced Study of the Universe, 1110 West Green Street, Urbana, IL 61801, USA; 8.Los Alamos National Lab, Los Alamos, NM, 87545, USA; 9.National Center for Supercomputing Applications, 605 East Springfield Avenue, Champaign, IL 61820, USA; 10.Massachusetts Institute of Technology Haystack Observatory, 99 Millstone Road, Westford, MA 01886, USA; |
| 推荐引用方式 GB/T 7714 | Bernshteyn, Vadim,Conroy, Nicholas S.,Baubock, Michi,et al. Ring Asymmetry and Spin in M87[J]. ASTROPHYSICAL JOURNAL,2026,1000(2). |
| APA | Bernshteyn, Vadim.,Conroy, Nicholas S..,Baubock, Michi.,Tiede, Paul.,Joshi, Abhishek V..,...&Zhao, Guang-Yao.(2026).Ring Asymmetry and Spin in M87.ASTROPHYSICAL JOURNAL,1000(2). |
| MLA | Bernshteyn, Vadim,et al."Ring Asymmetry and Spin in M87".ASTROPHYSICAL JOURNAL 1000.2(2026). |
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来源：云南天文台
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