Bringing high spatial resolution to the far-infrared
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Published:2021-05-26
Issue:3
Volume:51
Page:661-697
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ISSN:0922-6435
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Container-title:Experimental Astronomy
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language:en
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Short-container-title:Exp Astron
Author:
Linz HendrikORCID, Beuther Henrik, Gerin Maryvonne, Goicoechea Javier R., Helmich Frank, Krause Oliver, Liu Yao, Molinari Sergio, Ossenkopf-Okada Volker, Pineda Jorge, Sauvage Marc, Schinnerer Eva, van der Tak Floris, Wiedner Martina, Amiaux Jerome, Bhatia Divya, Buinhas Luisa, Durand Gilles, Förstner Roger, Graf Urs, Lezius Matthias
Abstract
AbstractThe far-infrared (FIR) regime is one of the wavelength ranges where no astronomical data with sub-arcsecond spatial resolution exist. None of the medium-term satellite projects like SPICA, Millimetron, or the Origins Space Telescope will resolve this malady. For many research areas, however, information at high spatial and spectral resolution in the FIR, taken from atomic fine-structure lines, from highly excited carbon monoxide (CO), light hydrides, and especially from water lines would open the door for transformative science. A main theme will be to trace the role of water in proto-planetary discs, to observationally advance our understanding of the planet formation process and, intimately related to that, the pathways to habitable planets and the emergence of life. Furthermore, key observations will zoom into the physics and chemistry of the star-formation process in our own Galaxy, as well as in external galaxies. The FIR provides unique tools to investigate in particular the energetics of heating, cooling, and shocks. The velocity-resolved data in these tracers will reveal the detailed dynamics engrained in these processes in a spatially resolved fashion, and will deliver the perfect synergy with ground-based molecular line data for the colder dense gas.
Funder
Deutsches Zentrum für Luft- und Raumfahrt European Research Council Deutsche Forschungsgemeinschaft Ministerio de Ciencia, Innovación y Universidades Max Planck Institute for Astronomy
Publisher
Springer Science and Business Media LLC
Subject
Space and Planetary Science,Astronomy and Astrophysics
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