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Proceedings Paper

Instrument concept and science case for the mid-IR E-ELT imager and spectrograph METIS
Author(s): Bernhard R. Brandl; Rainer Lenzen; Eric Pantin; Alistair Glasse; Joris Blommaert; Lars Venema; Frank Molster; Ralf Siebenmorgen; Sarah Kendrew; Maarten Baes; Hermann Böhnhardt; Wolfgang Brandner; Ewine van Dishoeck; Thomas Henning; Hans Ullrich Käufl; Pierre-Olivier Lagage; Toby J. T. Moore; Christoffel Waelkens; Paul van der Werf
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Paper Abstract

METIS is the 'Mid-infrared ELT Imager and Spectrograph', the only planned thermal/mid-IR instrument for the E-ELT. METIS will provide diffraction limited imaging in the atmospheric L/M and N-band from 3 - 14 μm over an 18"×18" field of view (FOV). The imager also includes high contrast coronagraphy and low-resolution (900 ≤ R ≤ 5000) long slit spectroscopy and polarimetry. In addition, an IFU fed, high resolution spectrograph at L/M band will provide a spectral resolution of R ~ 100,000 over a 0.4"×1.5" FOV. The adaptive optics (AO) system is relatively simple, and METIS can reach its full performance with the adaptive correction provided by the telescope - and occasionally even under seeing limited conditions. On a 42m ELT, METIS will provide state-of-the-art mid-IR performance from the ground. The science case for METIS is based on proto-planetary disks, characterization of exoplanets, formation of our Solar System, growth of supermassive black holes, and the dynamics of high-z galaxies. With the focus on highest angular resolution and highest spectral resolution, METIS is highly complementary to JWST and ALMA. This paper summarizes the science case for METIS, and describes the instrument concept, performance and operational aspects.

Paper Details

Date Published: 15 July 2010
PDF: 16 pages
Proc. SPIE 7735, Ground-based and Airborne Instrumentation for Astronomy III, 77352G (15 July 2010); doi: 10.1117/12.857346
Show Author Affiliations
Bernhard R. Brandl, Leiden Observatory, Leiden Univ. (Netherlands)
Rainer Lenzen, Max-Planck-Institut für Astronomie (Germany)
Eric Pantin, DSM/DAPNIA, Service d'Astrophysique, CEA Saclay (France)
Alistair Glasse, UK Astronomy Technology Ctr., The Royal Observatory Edinburgh (United Kingdom)
Joris Blommaert, Katholieke Univ. Leuven (Belgium)
Lars Venema, NOVA-ASTRON (Netherlands)
Frank Molster, NOVA, Leiden Univ. (Netherlands)
Ralf Siebenmorgen, European Southern Observatory (Germany)
Sarah Kendrew, Leiden Observatory, Leiden Univ. (Netherlands)
Maarten Baes, Sterrenkundig Observatorium, Univ. Gent (Belgium)
Hermann Böhnhardt, Max-Planck-Institut für Sonnensystemforschung (Germany)
Wolfgang Brandner, Max-Planck-Institut für Astronomie (Germany)
Ewine van Dishoeck, Leiden Observatory, Leiden Univ. (Netherlands)
Thomas Henning, Max-Planck-Institut für Astronomie (Germany)
Hans Ullrich Käufl, European Southern Observatory (Germany)
Pierre-Olivier Lagage, DSM/DAPNIA, Service d'Astrophysique, CEA Saclay (France)
Toby J. T. Moore, Liverpool John Moores Univ. (United Kingdom)
Christoffel Waelkens, Katholieke Univ. Leuven (Belgium)
Paul van der Werf, Leiden Observatory, Leiden Univ. (Netherlands)

Published in SPIE Proceedings Vol. 7735:
Ground-based and Airborne Instrumentation for Astronomy III
Ian S. McLean; Suzanne K. Ramsay; Hideki Takami, Editor(s)

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