Status of the mid-IR ELT imager and spectrograph (METIS)

Bernhard R. Brandl, Olivier Absil, Tibor Agócs, Felix Bettonvil, Leonard Burtscher, Ewine Van Dishoeck, Dirk Lesman, More Authors

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

19 Citations (Scopus)

Abstract

The Mid-Infrared ELT Imager and Spectrograph (METIS) is one of three first light instruments on the ELT. It will provide high-contrast imaging and medium resolution, slit-spectroscopy from 3 - 19um, as well as high resolution (R ∼ 100,000) integral field spectroscopy from 2.9-5.3μm. All modes observe at the diffraction limit of the ELT, by means of adaptive optics, yielding angular resolutions of a few tens of milliarcseconds. The range of METIS science is broad, from Solar System objects to active galactic nuclei (AGN). We will present an update on the main science drivers for METIS: circum-stellar disks and exoplanets. The METIS project is now in full steam, approaching its preliminary design review (PDR) in 2018. In this paper we will present the current status of its optical, mechanical and thermal design as well as operational aspects. We will also discuss the challenges of building an instrument for the ELT, and the required technologies.

Original languageEnglish
Title of host publicationGround-based and Airborne Instrumentation for Astronomy VII
PublisherSPIE
Volume10702
ISBN (Print)9781510619579
DOIs
Publication statusPublished - 1 Jan 2018
EventGround-based and Airborne Instrumentation for Astronomy VII 2018 - Austin, United States
Duration: 10 Jun 201814 Jun 2018

Conference

ConferenceGround-based and Airborne Instrumentation for Astronomy VII 2018
CountryUnited States
CityAustin
Period10/06/1814/06/18

Keywords

  • adaptive optics
  • calibration
  • cryogenic
  • ELT
  • METIS
  • mid-infrared
  • preliminary design
  • science

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