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THEZA: TeraHertz Exploration and Zooming-in for Astrophysics

Gurvits, Leonid I. (author)
Technische Universiteit Delft,Delft University of Technology (TU Delft),Joint Institute for VLBI in Europe (JIVE)
Paragi, Zsolt (author)
Joint Institute for VLBI in Europe (JIVE)
Casasola, Viviana (author)
Istituto nazionale di astrofisica (INAF)
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Conway, John, 1963 (author)
Chalmers tekniska högskola,Chalmers University of Technology
Davelaar, Jordy (author)
Radboud Universiteit,Radboud University
Falcke, Heino (author)
Radboud Universiteit,Radboud University
Fender, Rob (author)
University Of Oxford
Frey, S. (author)
Magyar Tudomanyos Akademia,Hungarian Academy of Sciences,Eötvös Loránd University (ELTE)
Fromm, Christian M. (author)
Johann Wolfgang Goethe Universität Frankfurt am Main,Goethe University Frankfurt
Miro, Cristina Garcia (author)
Joint Institute for VLBI in Europe (JIVE)
Garrett, Michael A. (author)
University of Manchester,Universiteit Leiden (UL),Leiden University (UL)
Giroletti, Marcello (author)
Istituto nazionale di astrofisica (INAF)
Goddi, Ciriaco (author)
Radboud Universiteit,Radboud University
Gomez, Jose-Luis (author)
Agencia Estatal Consejo Superior de Investigaciones Científicas,Spanish National Research Council
van der Gucht, Jeffrey (author)
Radboud Universiteit,Radboud University
Guirado, Jose Carlos (author)
Universitat de Valencia
Haiman, Zoltan (author)
Columbia University in the City of New York
Helmich, Frank (author)
Netherlands Institute for Space Research (SRON),Rijksuniversiteit Groningen,University of Groningen
Humphreys, Elizabeth (author)
European Southern Observatory (ESO)
Impellizzeri, Violette (author)
Atacama Large Millimeter-submillimeter Array (ALMA)
Kramer, Michael (author)
Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)
Lindqvist, Michael, 1960 (author)
Chalmers tekniska högskola,Chalmers University of Technology
Linz, Hendrik (author)
Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)
Liuzzo, Elisabetta (author)
Istituto nazionale di astrofisica (INAF)
Lobanov, Andrei P. (author)
Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)
Mizuno, Yosuke (author)
Johann Wolfgang Goethe Universität Frankfurt am Main,Goethe University Frankfurt
Rezzolla, Luciano (author)
Johann Wolfgang Goethe Universität Frankfurt am Main,Goethe University Frankfurt
Roelofs, Freek (author)
Radboud Universiteit,Radboud University
Ros, Eduardo (author)
Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)
Rygl, Kazi L. J. (author)
Istituto nazionale di astrofisica (INAF)
Savolainen, Tuomas (author)
Aalto-Yliopisto,Aalto University,Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)
Schuster, Karl (author)
Institut de Radioastronomie Millimétrique (IRAM)
Venturi, Tiziana (author)
Istituto nazionale di astrofisica (INAF)
Wiedner, Martina C. (author)
PSL University Paris
Zensus, J. Anton (author)
Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)
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 (creator_code:org_t)
2021-05-27
2021
English.
In: Experimental Astronomy. - : Springer Science and Business Media LLC. - 0922-6435 .- 1572-9508. ; 51:3, s. 559-594
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  • Journal article (peer-reviewed)
Abstract Subject headings
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  • This paper presents the ESA Voyage 2050 White Paper for a concept of TeraHertz Exploration and Zooming-in for Astrophysics (THEZA). It addresses the science case and some implementation issues of a space-borne radio interferometric system for ultra-sharp imaging of celestial radio sources at the level of angular resolution down to (sub-) microarcseconds. THEZA focuses at millimetre and sub-millimetre wavelengths (frequencies above similar to 300 GHz), but allows for science operations at longer wavelengths too. The THEZA concept science rationale is focused on the physics of spacetime in the vicinity of supermassive black holes as the leading science driver. The main aim of the concept is to facilitate a major leap by providing researchers with orders of magnitude improvements in the resolution and dynamic range in direct imaging studies of the most exotic objects in the Universe, black holes. The concept will open up a sizeable range of hitherto unreachable parameters of observational astrophysics. It unifies two major lines of development of space-borne radio astronomy of the past decades: Space VLBI (Very Long Base-line Interferometry) and mm- and sub-mm astrophysical studies with "single dish" instruments. It also builds upon the recent success of the Earth-based Event Horizon Telescope (EHT) - the first-ever direct image of a shadow of the super-massive black hole in the centre of the galaxy M87. As an amalgam of these three major areas of modern observational astrophysics, THEZA aims at facilitating a breakthrough in high-resolution high image quality studies in the millimetre and sub-millimetre domain of the electromagnetic spectrum.

Subject headings

NATURVETENSKAP  -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
NATURAL SCIENCES  -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
HUMANIORA  -- Konst -- Arkitektur (hsv//swe)
HUMANITIES  -- Arts -- Architecture (hsv//eng)
TEKNIK OCH TEKNOLOGIER  -- Elektroteknik och elektronik -- Signalbehandling (hsv//swe)
ENGINEERING AND TECHNOLOGY  -- Electrical Engineering, Electronic Engineering, Information Engineering -- Signal Processing (hsv//eng)

Keyword

VLBI
Spaceborne astrophysics
Super-massive black hole
Radio interferometry
mm- and sub-mm astronomy

Publication and Content Type

art (subject category)
ref (subject category)

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