Akiyama, KazunoriAlberdi, AntxonAlef, WalterAsada, KeiichiAzulay, RebeccaBaczko, Anne-KathrinBall, DavidBalokovic, MislavBarrett, JohnBintley, DanBlackburn, LindyBoland, WilfredBouman, Katherine L.Bower, Geoffrey C.Bremer, MichaelBrinkerink, Christiaan D.Brissenden, RogerBritzen, SilkeBroderick, Avery E.Broguiere, DominiqueBronzwaer, ThomasByun, Do-YoungCarlstrom, John E.Chael, AndrewChan, Chi-kwanChatterjee, ShamiChatterjee, KoushikChen, Ming-TangChen, YongjunCho, IljeChristian, PierreConway, John E.Cordes, James M.Crew, Geoffrey B.Cui, YuzhuDavelaar, JordyDe Laurentis, MariafeliciaDeane, RogerDempsey, JessicaDesvignes, GregoryDexter, JasonDoeleman, Sheperd S.Eatough, Ralph P.Falcke, HeinoFish, Vincent L.Fomalont, EdFraga-Encinas, RaquelFriberg, PerFromm, Christian M.Gomez, Jose L.Galison, PeterGammie, Charles F.Garcia, RobertoGentaz, OlivierGeorgiev, BorisGoddi, CiriacoGold, RomanGu, MinfengGurwell, MarkHada, KazuhiroHecht, Michael H.Hesper, RonaldHo, Luis C.Ho, PaulHonma, MarekiHuang, Chih-Wei L.Huang, LeiHughes, David H.Ikeda, ShiroInoue, MakotoIssaoun, SaraJames, David J.Jannuzi, Buell T.Janssen, MichaelJeter, BrittonJiang, WuJohnson, Michael D.Jorstad, SvetlanaJung, TaehyunKarami, MansourKaruppusamy, RameshKawashima, TomohisaKeating, Garrett K.Kettenis, MarkKim, Jae-YoungKim, JunhanKim, JongsooKino, MotokiKoay, Jun YiKoch, Patrick M.Koyama, ShokoKramer, MichaelKramer, CarstenKrichbaum, Thomas P.Kuo, Cheng-YuLauer, Tod R.Lee, Sang-SungLi, Yan-RongLi, ZhiyuanLindqvist, MichaelLiu, KuoLiuzzo, ElisabettaLo, Wen-PingLobanov, Andrei P.Loinard, LaurentLonsdale, ColinLu, Ru-SenMacDonald, Nicholas R.Mao, JirongMarkoff, SeraMarrone, Daniel P.Marscher, Alan P.Marti-Vidal, IvanMatsushita, SatokiMatthews, Lynn D.Medeiros, LiaMenten, Karl M.Mizuno, YosukeMizuno, IzumiMoran, James M.Moriyama, KotaroMoscibrodzka, MonikaMuller, CorneliaNagai, HiroshiNagar, Neil M.Nakamura, MasanoriNarayan, RameshNarayanan, GopalNatarajan, IniyanNeri, RobertoNi, ChunchongNoutsos, AristeidisOkino, HirokiOlivares, HectorOyama, TomoakiOzel, FeryalPalumbo, Daniel C.M.Patel, NimeshPen, Ue-LiPesce, Dominic W.Pietu, VincentPlambeck, RichardPopStefanija, AleksandarPorth, OliverPrather, BenPreciado-Lopez, Jorge A.Psaltis, DimitriosPu, Hung-YiRamakrishnan, VenkatesshRao, RamprasadRawlings, Mark G.Raymond, Alexander W.Rezzolla, LucianoRipperda, BartRoelofs, FreekRogers, AlanRos, EduardoRose, MelRoshanineshat, ArashRottmann, HelgeRoy, Alan L.Ruszczyk, ChetRyan, Benjamin R.Rygl, Kazi L.J.Sanchez, SalvadorSanchez-Arguelles, DavidSasada, MahitoSavolainen, TuomasSchloerb, F. PeterSchuster, Karl-FriedrichShao, LijingShen, ZhiqiangSmall, DesSohn, Bong WonSooHoo, JasonTazaki, FumieTiede, PaulTilanus, Remo P.J.Titus, MichaelToma, KenjiTorne, PabloTrent, TylerTrippe, SaschaTsuda, ShuichiroVan Bemmel, IlseVan Langevelde, Huib JanVan Rossum, Daniel R.Wagner, JanWardle, JohnWeintroub, JonathanWex, NorbertWharton, RobertWielgus, MaciekWong, George N.Wu, QingwenYoung, AndreYoung, KenYounsi, ZiriYuan, FengYuan, Ye-FeiZensus, J. AntonZhao, GuangyaoZhao, Shan-ShanZhu, ZiyanFarah, Joseph R.Meyer-Zhao, ZhengMichalik, DanielNadolski, AndrewNishioka, HiroakiPradel, NicolasPrimiani, Rurik A.Souccar, KamalVertatschitsch, LauraYamaguchi, Paul2020-12-022020-12-022019-04-10Akiyama, K., Alberdi, A., Alef, W. et al. 2019, 'First M87 event horizon telescope results. VI. The shadow and mass of the central black hole', Astrophysical Journal Letters, vol. 875, no. L6, pp. 1-44.2041-8205 (print)2041-8213 (online)10.3847/2041-8213/ab1141http://hdl.handle.net/2263/77232Please read abstract in the article.en© 2019. The American Astronomical Society. Original content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence.Black hole physicsGalaxies: individual (M87)Techniques: high angular resolutionTechniques: interferometricEvent Horizon Telescope (EHT)General relativistic magnetohydrodynamic (GRMHD)Central black holeArticle