Key Science Goals for the Next-Generation Event Horizon Telescope
Michael D. JohnsonBlack Hole Initiative, Harvard University, 20 Garden Street, Cambridge, MA 02138, USAKazunori AkiyamaBlack Hole Initiative, Harvard University, 20 Garden Street, Cambridge, MA 02138, USALindy BlackburnCenter for Astrophysics Harvard & SmithsonianKatherine L. BoumanCalifornia Institute of Technology, 1200 East California Boulevard, Pasadena, CA 91125, USAAvery E. BroderickDepartment of Physics and Astronomy, University of Waterloo, 200 University Avenue West, Waterloo, ON N2L 3G1, CanadaVítor CardosoCENTRA, Departamento de Física, Faculdade de Ciências, Instituto Superior Técnico—IST, Universidade de Lisboa, Campo Grande, 1749-016 Lisboa, PortugalR. P. FenderAstrophysics, Department of Physics, University of Oxford, Keble Road, Oxford OX1 3RH, UKChristian M. FrommInstitut für Theoretische Physik und Astrophysik, Universität Würzburg, Emil-Fischer-Strasse 31, D-97074 Würzburg, GermanyPeter GalisonBlack Hole Initiative, Harvard University, 20 Garden Street, Cambridge, MA 02138, USAJosé L. GómezInstituto de Astrofísica de Andalucía-CSIC, Glorieta de la Astronomía s/n, E-18008 Granada, SpainDaryl HaggardDepartment of Physics, McGill University, 3600 rue University, Montreal, QC H3A 2T8, CanadaM. L. ListerDepartment of Physics and Astronomy, Purdue University, 525 Northwestern Avenue, West Lafayette, IN 47907, USAA. P. LobanovMax-Planck-Institut für Radioastronomie, Auf dem Hügel 69, D-53121 Bonn, GermanySera MarkoffAnton Pannekoek Institute for Astronomy, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, The NetherlandsRamesh NarayanBlack Hole Initiative, Harvard University, 20 Garden Street, Cambridge, MA 02138, USAPriyamvada NatarajanBlack Hole Initiative, Harvard University, 20 Garden Street, Cambridge, MA 02138, USATiffany NicholsDepartment of History, Princeton University, Dickinson Hall, Princeton, NJ 08544, USAD. W. PesceBlack Hole Initiative, Harvard University, 20 Garden Street, Cambridge, MA 02138, USAZiri YounsiMullard Space Science Laboratory, University College London, Holmbury St. Mary, Dorking, Surrey RH5 6NT, UKAndrew ChaelPrinceton Gravity Initiative, Princeton University, Jadwin Hall, Princeton, NJ 08544, USAKoushik ChatterjeeBlack Hole Initiative, Harvard University, 20 Garden Street, Cambridge, MA 02138, USARyan ChavesCenter for Astrophysics | Harvard & Smithsonian, 60 Garden Street, Cambridge, MA 02138, USAJuliusz DoboszewskiBlack Hole Initiative, Harvard University, 20 Garden Street, Cambridge, MA 02138, USARichard DodsonICRAR, M468, The University of Western Australia, 35 Stirling Hwy, Crawley, WA 6009, AustraliaSheperd S. DoelemanBlack Hole Initiative, Harvard University, 20 Garden Street, Cambridge, MA 02138, USAJamee ElderBlack Hole Initiative, Harvard University, 20 Garden Street, Cambridge, MA 02138, USAGarret FitzpatrickCenter for Astrophysics | Harvard & Smithsonian, 60 Garden Street, Cambridge, MA 02138, USAKari HaworthCenter for Astrophysics | Harvard & Smithsonian, 60 Garden Street, Cambridge, MA 02138, USAJanice HoustonCenter for Astrophysics | Harvard & Smithsonian, 60 Garden Street, Cambridge, MA 02138, USASara IssaounCenter for Astrophysics | Harvard & Smithsonian, 60 Garden Street, Cambridge, MA 02138, USAY. Y. KovalevLebedev Physical Institute of the Russian Academy of Sciences, Leninsky prospekt 53, 119991 Moscow, RussiaAviad LevisCalifornia Institute of Technology, 1200 East California Boulevard, Pasadena, CA 91125, USARocco LicoINAF-Istituto di Radioastronomia, Via P. Gobetti 101, I-40129 Bologna, ItalyAlexandru MarcociCentre for the Study of Existential Risk, University of Cambridge, 16 Mill Lane, Cambridge CB2 1SB, UKNiels C. M. MartensDescartes Centre for the History and Philosophy of the Sciences and the Humanities, Utrecht University, 3584 CC Utrecht, The NetherlandsNeil M. NagarAstronomy Department, Universidad de Concepción, Casilla 160-C, Concepción 4030000, ChileAaron OppenheimerCenter for Astrophysics | Harvard & Smithsonian, 60 Garden Street, Cambridge, MA 02138, USADaniel C. M. PalumboBlack Hole Initiative, Harvard University, 20 Garden Street, Cambridge, MA 02138, USAAngelo RicarteBlack Hole Initiative, Harvard University, 20 Garden Street, Cambridge, MA 02138, USAMaría RiojaCSIRO Astronomy and Space Science, P.O. Box 1130, Bentley, WA 6102, AustraliaFreek RoelofsBlack Hole Initiative, Harvard University, 20 Garden Street, Cambridge, MA 02138, USAAnn C. ThresherMcCoy Family Center for Ethics, Stanford University, Stanford, CA 94305, USAPaul TiedeBlack Hole Initiative, Harvard University, 20 Garden Street, Cambridge, MA 02138, USAJonathan WeintroubBlack Hole Initiative, Harvard University, 20 Garden Street, Cambridge, MA 02138, USAMaciek WielgusMax-Planck-Institut für Radioastronomie, Auf dem Hügel 69, D-53121 Bonn, Germany
2023en
ABI
Annotatsiya
The Event Horizon Telescope (EHT) has led to the first images of a supermassive black hole, revealing the central compact objects in the elliptical galaxy M87 and the Milky Way. Proposed upgrades to this array through the next-generation EHT (ngEHT) program would sharply improve the angular resolution, dynamic range, and temporal coverage of the existing EHT observations. These improvements will uniquely enable a wealth of transformative new discoveries related to black hole science, extending from event-horizon-scale studies of strong gravity to studies of explosive transients to the cosmological growth and influence of supermassive black holes. Here, we present the key science goals for the ngEHT and their associated instrument requirements, both of which have been formulated through a multi-year international effort involving hundreds of scientists worldwide.
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