First Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way

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dc.contributor.authorAkiyama, Kazunori
dc.contributor.authorAlberdi, Antxon
dc.contributor.authorAlef, Walter
dc.contributor.authorAlgaba, Juan Carlos
dc.contributor.authorAnantua, Richard
dc.contributor.authorAsada, Keiichi
dc.contributor.authorAzulay, Rebecca
dc.contributor.authorBach, Uwe
dc.contributor.authorBaczko, Anne-Kathrin
dc.contributor.authorBall, David
dc.contributor.authorBalokovic, Mislav
dc.contributor.authorBarrett, John
dc.contributor.authorBaubock, Michi
dc.contributor.authorBenson, Bradford A.
dc.contributor.authorBintley, Dan
dc.contributor.authorBlackburn, Lindy
dc.contributor.authorBlundell, Raymond
dc.contributor.authorBouman, Katherine L.
dc.contributor.authorBower, Geoffrey C.
dc.contributor.authorBoyce, Hope
dc.contributor.authorBremer, Michael
dc.contributor.authorBrinkerink, Christiaan D.
dc.contributor.authorBrissenden, Roger
dc.contributor.authorBritzen, Silke
dc.contributor.authorBroderick, Avery E.
dc.contributor.authorBroguiere, Dominique
dc.contributor.authorBronzwaer, Thomas
dc.contributor.authorBustamante, Sandra
dc.contributor.authorByun, Do-Young
dc.contributor.authorCarlstrom, John E.
dc.contributor.authorCeccobello, Chiara
dc.contributor.authorChael, Andrew
dc.contributor.authorChan, Chi-kwan
dc.contributor.authorChatterjee, Koushik
dc.contributor.authorChatterjee, Shami
dc.contributor.authorChen, Ming-Tang
dc.contributor.authorChen, Yongjun
dc.contributor.authorCheng, Xiaopeng
dc.contributor.authorCho, Ilje
dc.contributor.authorChristian, Pierre
dc.contributor.authorConroy, Nicholas S.
dc.contributor.authorConway, John E.
dc.contributor.authorCordes, James M.
dc.contributor.authorCrawford, Thomas M.
dc.contributor.authorCrew, Geoffrey B.
dc.contributor.authorCruz-Osorio, Alejandro
dc.contributor.authorCui, Yuzhu
dc.contributor.authorDavelaar, Jordy
dc.contributor.authorDe Laurentis, Mariafelicia
dc.contributor.authorDeane, Roger
dc.contributor.authorDempsey, Jessica
dc.contributor.authorDesvignes, Gregory
dc.contributor.authorDexter, Jason
dc.contributor.authorDhruv, Vedant
dc.contributor.authorDoeleman, Sheperd S.
dc.contributor.authorDougal, Sean
dc.contributor.authorDzib, Sergio A.
dc.contributor.authorEatough, Ralph P.
dc.contributor.authorEmami, Razieh
dc.contributor.authorFalcke, Heino
dc.contributor.authorFarah, Joseph
dc.contributor.authorFish, Vincent L.
dc.contributor.authorFomalont, Ed
dc.contributor.authorFord, H. Alyson
dc.contributor.authorFraga-Encinas, Raquel
dc.contributor.authorFreeman, William T.
dc.contributor.authorFriberg, Per
dc.contributor.authorFromm, Christian M.
dc.contributor.authorFuentes, Antonio
dc.contributor.authorGalison, Peter
dc.contributor.authorGammie, Charles F.
dc.contributor.authorGarcia, Roberto
dc.contributor.authorGentaz, Olivier
dc.contributor.authorGeorgiev, Boris
dc.contributor.authorGoddi, Ciriaco
dc.contributor.authorGold, Roman
dc.contributor.authorGomez-Ruiz, Arturo, I
dc.contributor.authorGomez, Jose L.
dc.contributor.authorGu, Minfeng
dc.contributor.authorGurwell, Mark
dc.contributor.authorHada, Kazuhiro
dc.contributor.authorHaggard, Daryl
dc.contributor.authorHaworth, Kari
dc.contributor.authorHecht, Michael H.
dc.contributor.authorHesper, Ronald
dc.contributor.authorHeumann, Dirk
dc.contributor.authorHo, Luis C.
dc.contributor.authorHo, Paul
dc.contributor.authorHonma, Mareki
dc.contributor.authorHuang, Chih-Wei L.
dc.contributor.authorHuang, Lei
dc.contributor.authorHughes, David H.
dc.contributor.authorIkeda, Shiro
dc.contributor.authorImpellizzeri, C. M. Violette
dc.contributor.authorInoue, Makoto
dc.contributor.authorIssaoun, Sara
dc.contributor.authorJames, David J.
dc.contributor.authorJannuzi, Buell T.
dc.contributor.authorJanssen, Michael
dc.contributor.authorJeter, Britton
dc.contributor.authorJiang, Wu
dc.contributor.authorJimenez-Rosales, Alejandra
dc.contributor.authorJohnson, Michael D.
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dc.contributor.authorKaruppusamy, Ramesh
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dc.contributor.authorKettenis, Mark
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dc.contributor.authorKim, Jongsoo
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dc.contributor.authorKramer, Carsten
dc.contributor.authorKramer, Michael
dc.contributor.authorKrichbaum, Thomas P.
dc.contributor.authorKuo, Cheng-Yu
dc.contributor.authorLa Bella, Noemi
dc.contributor.authorLauer, Tod R.
dc.contributor.authorLee, Daeyoung
dc.contributor.authorLee, Sang-Sung
dc.contributor.authorLeung, Po Kin
dc.contributor.authorLevis, Aviad
dc.contributor.authorLi, Zhiyuan
dc.contributor.authorLico, Rocco
dc.contributor.authorLindahl, Greg
dc.contributor.authorLindqvist, Michael
dc.contributor.authorLisakov, Mikhail
dc.contributor.authorLiu, Jun
dc.contributor.authorLiu, Kuo
dc.contributor.authorLiuzzo, Elisabetta
dc.contributor.authorLo, Wen-Ping
dc.contributor.authorLobanov, Andrei P.
dc.contributor.authorLoinard, Laurent
dc.contributor.authorLonsdale, Colin J.
dc.contributor.authorLu, Ru-Sen
dc.contributor.authorMao, Jirong
dc.contributor.authorMarchili, Nicola
dc.contributor.authorMarkoff, Sera
dc.contributor.authorMarrone, Daniel P.
dc.contributor.authorMarscher, Alan P.
dc.contributor.authorMarti-Vidal, Ivan
dc.contributor.authorMatsushita, Satoki
dc.contributor.authorMatthews, Lynn D.
dc.contributor.authorMedeiros, Lia
dc.contributor.authorMenten, Karl M.
dc.contributor.authorMichalik, Daniel
dc.contributor.authorMizuno, Izumi
dc.contributor.authorMizuno, Yosuke
dc.contributor.authorMoran, James M.
dc.contributor.authorMoriyama, Kotaro
dc.contributor.authorMoscibrodzka, Monika
dc.contributor.authorMuller, Cornelia
dc.contributor.authorMus, Alejandro
dc.contributor.authorMusoke, Gibwa
dc.contributor.authorMyserlis, Ioannis
dc.contributor.authorNadolski, Andrew
dc.contributor.authorNagai, Hiroshi
dc.contributor.authorNagar, Neil M.
dc.contributor.authorNakamura, Masanori
dc.contributor.authorNarayan, Ramesh
dc.contributor.authorNarayanan, Gopal
dc.contributor.authorNatarajan, Iniyan
dc.contributor.authorNathanail, Antonios
dc.contributor.authorFuentes, Santiago Navarro
dc.contributor.authorNeilsen, Joey
dc.contributor.authorNeri, Roberto
dc.contributor.authorNi, Chunchong
dc.contributor.authorNoutsos, Aristeidis
dc.contributor.authorNowak, Michael A.
dc.contributor.authorOh, Junghwan
dc.contributor.authorOkino, Hiroki
dc.contributor.authorOlivares, Hector
dc.contributor.authorOrtiz-Leon, Gisela N.
dc.contributor.authorOyama, Tomoaki
dc.contributor.authorPalumbo, Daniel C. M.
dc.contributor.authorParaschos, Georgios Filippos
dc.contributor.authorPark, Jongho
dc.contributor.authorParsons, Harriet
dc.contributor.authorPatel, Nimesh
dc.contributor.authorPen, Ue-Li
dc.contributor.authorPesce, Dominic W.
dc.contributor.authorPietu, Vincent
dc.contributor.authorPlambeck, Richard
dc.contributor.authorPopStefanija, Aleksandar
dc.contributor.authorPorth, Oliver
dc.contributor.authorPotzl, Felix M.
dc.contributor.authorPrather, Ben
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dc.contributor.authorPu, Hung-Yi
dc.contributor.authorRamakrishnan, Venkatessh
dc.contributor.authorRao, Ramprasad
dc.contributor.authorRawlings, Mark G.
dc.contributor.authorRaymond, Alexander W.
dc.contributor.authorRezzolla, Luciano
dc.contributor.authorRicarte, Angelo
dc.contributor.authorRipperda, Bart
dc.contributor.authorRoelofs, Freek
dc.contributor.authorRogers, Alan
dc.contributor.authorRos, Eduardo
dc.contributor.authorRomero-Canizales, Cristina
dc.contributor.authorRoshanineshat, Arash
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dc.contributor.authorSanchez-Portal, Miguel
dc.contributor.authorSasada, Mahito
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dc.contributor.authorYamaguchi, Paul
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dc.contributor.authorKubo, Derek
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dc.contributor.authorLaing, Robert
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dc.contributor.authorLiu, Kuan-Yu
dc.contributor.authorLin, Lupin C-C
dc.contributor.authorLu, Li-Ming
dc.contributor.authorMac-Auliffe, Felipe
dc.contributor.authorMartin-Cocher, Pierre
dc.contributor.authorMatulonis, Callie
dc.contributor.authorMaute, John K.
dc.contributor.authorMessias, Hugo
dc.contributor.authorMeyer-Zhao, Zheng
dc.contributor.authorMontana, Alfredo
dc.contributor.authorMontenegro-Montes, Francisco
dc.contributor.authorMontgomerie, William
dc.contributor.authorNolasco, Marcos Emir Moreno
dc.contributor.authorMuders, Dirk
dc.contributor.authorNishioka, Hiroaki
dc.contributor.authorNorton, Timothy J.
dc.contributor.authorNystrom, George
dc.contributor.authorOgawa, Hideo
dc.contributor.authorOlivares, Rodrigo
dc.contributor.authorOshiro, Peter
dc.contributor.authorPerez-Beaupuits, Juan Pablo
dc.contributor.authorParra, Rodrigo
dc.contributor.authorPhillips, Neil M.
dc.contributor.authorPoirier, Michael
dc.contributor.authorPradel, Nicolas
dc.contributor.authorQiu, Richard
dc.contributor.authorRaffin, Philippe A.
dc.contributor.authorRahlin, Alexandra S.
dc.contributor.authorRamirez, Jorge
dc.contributor.authorRessler, Sean
dc.contributor.authorReynolds, Mark
dc.contributor.authorRodriguez-Montoya, Ivan
dc.contributor.authorSaez-Madain, Alejandro F.
dc.contributor.authorSantana, Jorge
dc.contributor.authorShaw, Paul
dc.contributor.authorShirkey, Leslie E., Jr.
dc.contributor.authorSilva, Kevin M.
dc.contributor.authorSnow, William
dc.contributor.authorSousa, Don
dc.contributor.authorSridharan, T. K.
dc.contributor.authorStahm, William
dc.contributor.authorStark, Anthony A.
dc.contributor.authorTest, John
dc.contributor.authorTorstensson, Karl
dc.contributor.authorVenegas, Paulina
dc.contributor.authorWalther, Craig
dc.contributor.authorWei, Ta-Shun
dc.contributor.authorWhite, Chris
dc.contributor.authorWieching, Gundolf
dc.contributor.authorWijnands, Rudy
dc.contributor.authorWouterloot, Jan G. A.
dc.contributor.authorYu, Chen-Yu
dc.contributor.authorYu, Wei
dc.contributor.authorZeballos, Milagros
dc.date.accessioned2025-01-20T21:07:29Z
dc.date.available2025-01-20T21:07:29Z
dc.date.issued2022
dc.description.abstractWe present the first Event Horizon Telescope (EHT) observations of Sagittarius A* (Sgr A*), the Galactic center source associated with a supermassive black hole. These observations were conducted in 2017 using a global interferometric array of eight telescopes operating at a wavelength of lambda = 1.3 mm. The EHT data resolve a compact emission region with intrahour variability. A variety of imaging and modeling analyses all support an image that is dominated by a bright, thick ring with a diameter of 51.8 +/- 2.3 mu as (68% credible interval). The ring has modest azimuthal brightness asymmetry and a comparatively dim interior. Using a large suite of numerical simulations, we demonstrate that the EHT images of Sgr A* are consistent with the expected appearance of a Kerr black hole with mass similar to 4 x 10(6) M (circle dot), which is inferred to exist at this location based on previous infrared observations of individual stellar orbits, as well as maser proper-motion studies. Our model comparisons disfavor scenarios where the black hole is viewed at high inclination (i > 50 degrees), as well as nonspinning black holes and those with retrograde accretion disks. Our results provide direct evidence for the presence of a supermassive black hole at the center of the Milky Way, and for the first time we connect the predictions from dynamical measurements of stellar orbits on scales of 10(3)-10(5) gravitational radii to event-horizon-scale images and variability. Furthermore, a comparison with the EHT results for the supermassive black hole M87* shows consistency with the predictions of general relativity spanning over three orders of magnitude in central mass.
dc.fuente.origenWOS
dc.identifier.doi10.3847/2041-8213/ac6674
dc.identifier.eissn2041-8213
dc.identifier.issn2041-8205
dc.identifier.urihttps://doi.org/10.3847/2041-8213/ac6674
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/93417
dc.identifier.wosidWOS:000794024700001
dc.issue.numero2
dc.language.isoen
dc.revistaAstrophysical journal letters
dc.rightsacceso restringido
dc.titleFirst Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way
dc.typeartículo
dc.volumen930
sipa.indexWOS
sipa.trazabilidadWOS;2025-01-12
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