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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
THEZA: TeraHertz Exploration and Zooming-in for Astrophysics: An ESA Voyage 2050 White Paper
Experimental Astronomy, Volume 51, No. 3, Year 2021
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Description
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 ∼ 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 Baseline 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. © 2021, The Author(s).
Authors & Co-Authors
Gurvits, Leonid I.
Netherlands, Dwingeloo
Joint Institute for Vlbi Eric
Netherlands, Delft
Delft University of Technology
Paragi, Zsolt
Netherlands, Dwingeloo
Joint Institute for Vlbi Eric
Casasola, Viviana
Italy, Bologna
Inaf Istituto Di Astrofisica Spaziale e Fisica Cosmica, Bologna
Conway, John E.
Sweden, Gothenburg
Chalmers University of Technology
Davelaar, Jordy R.J.
Netherlands, Nijmegen
Radboud Universiteit
Falcke, Heino D.
Netherlands, Nijmegen
Radboud Universiteit
Fender, Robert P.
United Kingdom, Oxford
University of Oxford
Frey, Sandor
Hungary, Budapest
Research Centre for Astronomy and Earth Sciences
Hungary, Budapest
Eötvös Loránd Tudományegyetem
Fromm, Christian M.
Germany, Frankfurt am Main
Goethe-universität Frankfurt am Main
Garrett, Michael A.
United Kingdom, Manchester
The University of Manchester
Netherlands, Leiden
Universiteit Leiden
Giroletti, Marcello
Italy, Bologna
Inaf Istituto Di Astrofisica Spaziale e Fisica Cosmica, Bologna
Goddi, Ciriaco
Netherlands, Nijmegen
Radboud Universiteit
Gómez, Jose L.
Spain, Madrid
Consejo Superior de Investigaciones Científicas
Guirado, José Carlos
Spain, Valencia
Universitat de València
Haiman, Zolt́an
United States, New York
Columbia University
Humphreys, Elizabeth M.L.
Germany, Garching Bei Munchen
European Southern Observatory
Impellizzeri, Caterina M.Violette
Unknown Affiliation
Kramer, Michael
Germany, Bonn
Max Planck Institute for Radio Astronomy
Lindqvist, Michael
Sweden, Gothenburg
Chalmers University of Technology
Linz, Hendrik
Germany, Heidelberg
Max Planck Institute for Astronomy
Liuzzo, Elisabetta
Italy, Bologna
Inaf Istituto Di Astrofisica Spaziale e Fisica Cosmica, Bologna
Lobanov, Andreï P.
Germany, Bonn
Max Planck Institute for Radio Astronomy
Mizuno, Yosuke
Germany, Frankfurt am Main
Goethe-universität Frankfurt am Main
Rezzolla, Luciano
Germany, Frankfurt am Main
Goethe-universität Frankfurt am Main
Roelofs, Freek
Netherlands, Nijmegen
Radboud Universiteit
Ros, Eduardo
Germany, Bonn
Max Planck Institute for Radio Astronomy
Rygl, Kazi L.J.
Italy, Bologna
Inaf Istituto Di Astrofisica Spaziale e Fisica Cosmica, Bologna
Savolainen, Tuomas K.
Germany, Bonn
Max Planck Institute for Radio Astronomy
Finland, Espoo
Aalto University
Schuster, Karl Friedrich
France, Saint Martin D'heres
Iram Institut de Radioastronomie Millimétrique
Venturi, Tiziana
Italy, Bologna
Inaf Istituto Di Astrofisica Spaziale e Fisica Cosmica, Bologna
Wiedner, Martina C.
France, Paris
Sorbonne Université
Statistics
Citations: 13
Authors: 31
Affiliations: 22
Identifiers
Doi:
10.1007/s10686-021-09714-y
ISSN:
09226435