PMO OpenIR
First M87 Event Horizon Telescope Results. VI. The Shadow and Mass of the Central Black Hole
Akiyama, Kazunori1,2,3,4; Alberdi, Antxon5; Alef, Walter6; Asada, Keiichi7; Azulay, Rebecca6,8,9; Baczko, Anne-Kathrin6; Ball, David10,11; Balokovic, Mislav4,12; Barrett, John2; Bintley, Dan13; Blackburn, Lindy4,12; Boland, Wilfred14; Bouman, Katherine L.4,12,15; Bower, Geoffrey C.16; Bremer, Michael17; Brinkerink, Christiaan D.18; Brissenden, Roger4,12; Britzen, Silke6; Broderick, Avery E.19,20,21; Broguiere, Dominique17; Bronzwaer, Thomas18; Byun, Do-Young22,23; Carlstrom, John E.24,25,26,27; Chael, Andrew4,12; Chan, Chi-Kwan10,11,28; Chatterjee, Shami29; Chatterjee, Koushik30; Chen, Ming-Tang16; Chen, Yongjun31,32; Cho, Ilje22,23; Christian, Pierre10,11,12; Conway, John E.33; Cordes, James M.29; Crew, Geoffrey B.2; Cui, Yuzhu34,35; Davelaar, Jordy18; De Laurentis, Mariafelicia36,37,38; Deane, Roger39,40; Dempsey, Jessica13; Desvignes, Gregory6; Dexter, Jason41; Doeleman, Sheperd S.4,12; Eatough, Ralph P.6; Falcke, Heino18; Fish, Vincent L.2; Fomalont, Ed1; Fraga-Encinas, Raquel18; Friberg, Per13; Fromm, Christian M.37; Gomez, Jose L.5; Galison, Peter4,42; Gammie, Charles F.44,45; Garcia, Roberto17; Gentaz, Olivier17; Georgiev, Boris20,21; Goddi, Ciriaco18,46; Gold, Roman37; Gu, Minfeng31,47; Gurwell, Mark12; Hada, Kazuhiro34,35; Hecht, Michael H.2; Hesper, Ronald48; Ho, Luis C.49,50; Ho, Paul7; Honma, Mareki34,35; Huang, Chih-Wei L.7; Huang, Lei31,47; Hughes, David H.51; Ikeda, Shiro3,52,53,54; Inoue, Makoto7; Issaoun, Sara18; James, David J.4,12; Jannuzi, Buell T.10,11; Janssen, Michael18; Jeter, Britton20,21; Jiang, Wu31; Johnson, Michael D.4,12; Jorstad, Svetlana55,56; Jung, Taehyun22,23; Karami, Mansour20,57; Karuppusamy, Ramesh6; Kawashima, Tomohisa3; Keating, Garrett K.12; Kettenis, Mark58; Kim, Jae-Young6; Kim, Junhan10,11; Kim, Jongsoo22; Kino, Motoki3,59; Koay, Jun Yi7; Koch, Patrick M.7; Koyama, Shoko7; Kramer, Michael6; Kramer, Carsten17; Krichbaum, Thomas P.6; Kuo, Cheng-Yu60; Lauer, Tod R.61; Lee, Sang-Sung22; Li, Yan-Rong62; Li, Zhiyuan63,64; Lindqvist, Michael33; Liu, Kuo6; Liuzzo, Elisabetta65; Lo, Wen-Ping7,66; Lobanov, Andrei P.6; Loinard, Laurent67,68; Lonsdale, Colin2; Lu, Ru-Sen6,31; MacDonald, Nicholas R.6; Mao, Jirong69,70,71; Markoff, Sera30,72; Marrone, Daniel P.10,11; Marscher, Alan P.55; Marti-Vidal, Ivan73,74; Matsushita, Satoki7; Matthews, Lynn D.2; Medeiros, Lia10,11,75; Menten, Karl M.6; Mizuno, Yosuke37; Mizuno, Izumi13; Moran, James M.4,12; Moriyama, Kotaro2,34; Moscibrodzka, Monika18; Mueller, Cornelia6,18; Nagai, Hiroshi3,36; Nagar, Neil M.76; Nakamura, Masanori7; Narayan, Ramesh4,12; Narayanan, Gopal77; Natarajan, Iniyan40; Neri, Roberto17; Ni, Chunchong20,21; Noutsos, Aristeidis6; Okino, Hiroki34,78; Olivares, Hector37; Oyama, Tomoaki34; Ozel, Feryal10,11; Palumbo, Daniel C. M.4,12; Patel, Nimesh12; Pen, Ue-Li79,80,81,82; Pesce, Dominic W.4,12; Pietu, Vincent17; Plambeck, Richard83; PopStefanija, Aleksandar77; Porth, Oliver30,37; Prather, Ben44; Preciado-Lopez, Jorge A.19; Psaltis, Dimitrios10,11; Pu, Hung-Yi19; Ramakrishnan, Venkatessh76; Rao, Ramprasad16; Rawlings, Mark G.13; Raymond, Alexander W.4,12; Rezzolla, Luciano37; Ripperda, Bart37; Roelofs, Freek18; Rogers, Alan2; Ros, Eduardo6; Rose, Mel10,11; Roshanineshat, Arash10,11; Rottmann, Helge6; Roy, Alan L.6; Ruszczyk, Chet2; Ryan, Benjamin R.84,85; Rygl, Kazi L. J.65; Sanchez, Salvador86; Sanchez-Arguelles, David51,87; Sasada, Mahito34,88; Savolainen, Tuomas6,89,90; Schloerb, F. Peter77; Schuster, Karl-Friedrich17; Shao, Lijing6,50; Shen, Zhiqiang31,32; Small, Des58; Sohn, Bong Won22,23,91; SooHoo, Jason2; Tazaki, Fumie3; Tiede, Paul20,21; Tilanus, Remo P. J.18,92; Titus, Michael2; Toma, Kenji93,94; Torne, Pablo6,86; Trent, Tyler10,11; Trippe, Sascha95; Tsuda, Shuichiro96; van Bemmel, Ilse58; van Langevelde, Huib Jan58,97; van Rossum, Daniel R.18; Wagner, Jan6; Wardle, John98; Weintroub, Jonathan4,12; Wex, Norbert6; Wharton, Robert6; Wielgus, Maciek4,12; Wong, George N.44; Wu, Qingwen99; Young, Andre18; Young, Ken12; Younsi, Ziri37,100; Yuan, Feng31,47,101; Yuan, Ye-Fei102; Zensus, J. Anton6; Zhao, Guangyao22; Zhao, Shan-Shan18,63; Zhu, Ziyan43; Farah, Joseph R.4,12,103; Meyer-Zhao, Zheng7,104; Michalik, Daniel105,106; Nadolski, Andrew45; Nishioka, Hiroaki7; Pradel, Nicolas7; Primiani, Rurik A.107; Souccar, Kamal77; Vertatschitsch, Laura12,107; Yamaguchi, Paul12
2019-04-10
Source PublicationASTROPHYSICAL JOURNAL LETTERS
ISSN2041-8205
Volume875Issue:1Pages:44
Corresponding AuthorAkiyama, Kazunori()
AbstractWe 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 that consider distinct representations of the visibility data. We show that the crescent family of models is statistically preferred over other comparably complex geometric models that we explore. We calibrate the geometric model parameters using general relativistic magnetohydrodynamic (GRMHD) models of the emission region and estimate physical properties of the source. We further fit images generated from GRMHD models directly to the data. We compare the derived emission region and black hole parameters from these analyses with those recovered from reconstructed images. There is a remarkable consistency among all methods and data sets. We find that >50% of the total flux at arcsecond scales comes from near the horizon, and that the emission is dramatically suppressed interior to this region by a factor >10, providing direct evidence of the predicted shadow of a black hole. Across all methods, we measure a crescent diameter of 42 +/- 3 mu as and constrain its fractional width to be <0.5. Associating the crescent feature with the emission surrounding the black hole shadow, we infer an angular gravitational radius of GM/Dc(2) = 3.8 +/- 0.4 mu as. Folding in a distance measurement of 16.8(-0.7)(+0.8) gives a black hole mass of M = 6.5. 0.2 vertical bar(stat) +/- 0.7 vertical bar(sys) x 10(9) M-circle dot. This measurement from lensed emission near the event horizon is consistent with the presence of a central Kerr black hole, as predicted by the general theory of relativity.
Keywordblack hole physics galaxies: individual (M87) gravitation techniques: high angular resolution techniques: interferometric
DOI10.3847/2041-8213/ab1141
WOS KeywordDIFFERENTIAL EVOLUTION ; GENETIC ALGORITHM ; ACCRETION DISKS ; INNER JET ; RADIO JET ; NUCLEUS ; GALAXY ; DISTRIBUTIONS ; EMISSION ; DISTANCE
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000464210800006
PublisherIOP PUBLISHING LTD
Citation statistics
Cited Times:37[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/24527
Collection中国科学院紫金山天文台
Corresponding AuthorAkiyama, Kazunori
Affiliation1.Natl Radio Astron Observ, 520 Edgemont Rd, Charlottesville, VA 22903 USA
2.MIT, Haystack Observ, 99 Millstone Rd, Westford, MA 01886 USA
3.Natl Astron Observ Japan, 2-21-1 Osawa, Mitaka, Tokyo 1818588, Japan
4.Harvard Univ, Black Hole Initiat, 20 Garden St, Cambridge, MA 02138 USA
5.CSIC, Inst Astrofis Andalucia, Glorieta Astron S-N, E-18008 Granada, Spain
6.Max Planck Inst Radioastron, Hugel 69, D-53121 Bonn, Germany
7.Acad Sinica, Inst Astron & Astrophys, 11F Astron Math Bldg,AS NTU 1,Sect 4,Roosevelt Rd, Taipei 10617, Taiwan
8.Univ Valencia, Dept Astron & Astrofis, C Dr Moliner 50, E-46100 Burjassot, Valencia, Spain
9.Univ Valencia, Observ Astron, C Catedratico Jose Beltran 2, E-46980 Valencia, Spain
10.Univ Arizona, Steward Observ, 933 N Cherry Ave, Tucson, AZ 85721 USA
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13.East Asian Observ, 660 N Aohoku Pl, Hilo, HI 96720 USA
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50.Peking Univ, Kavli Inst Astron & Astrophys, Beijing 100871, Peoples R China
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94.Tohoku Univ, Astron Inst, Sendai, Miyagi 9808578, Japan
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98.Brandeis Univ, Dept Phys, 415 South St, Waltham, MA 02453 USA
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100.Univ Coll London, Mullard Space Sci Lab, Holmbury St Mary, Dorking RH5 6NT, Surrey, England
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Recommended Citation
GB/T 7714
Akiyama, Kazunori,Alberdi, Antxon,Alef, Walter,et al. First M87 Event Horizon Telescope Results. VI. The Shadow and Mass of the Central Black Hole[J]. ASTROPHYSICAL JOURNAL LETTERS,2019,875(1):44.
APA Akiyama, Kazunori.,Alberdi, Antxon.,Alef, Walter.,Asada, Keiichi.,Azulay, Rebecca.,...&Yamaguchi, Paul.(2019).First M87 Event Horizon Telescope Results. VI. The Shadow and Mass of the Central Black Hole.ASTROPHYSICAL JOURNAL LETTERS,875(1),44.
MLA Akiyama, Kazunori,et al."First M87 Event Horizon Telescope Results. VI. The Shadow and Mass of the Central Black Hole".ASTROPHYSICAL JOURNAL LETTERS 875.1(2019):44.
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