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arxiv: 1508.02333 · v1 · pith:ZZAIYXL3new · submitted 2015-08-10 · 🌌 astro-ph.IM

The Mid-Infrared Instrument for JWST, II: Design and Build

G. S. Wright , David Wright , G. B. Goodson , G. H. Rieke , Gabby Aitink-Kroes , J. Amiaux , Ana Aricha-Yanguas , Ruyman Azzolini
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Kimberly Banks D. Barrado-Navascues T. Belenguer-Davila J. A. D. L. Bloemmart Patrice Bouchet B. R. Brandl L. Colina Ors Detre Eva Diaz-Catala Paul Eccleston Scott D. Friedman Macarena Garcia-Marin Manuel Guedel Alistair Glasse Adrian M. Glauser T. P. Greene Uli Groezinger Tim Grundy Peter Hastings Th. Henning Ralph Hofferbert Faye Hunter N. C. Jessen K. Justtanont Avinash R. Karnik Mori A. Khorrami Oliver Krause Alvaro Labiano P.-O. Lagage Ulrich Langer Dietrich Lemke Tanya Lim Jose Lorenzo-Alvarez Emmanuel Mazy Norman McGowan M. E. Meixner Nigel Morris Jane E. Morrison Friedrich Mueller H.-U. Norgaard-Nielson Goeran Olofsson Brian O'Sullivan J.-W. Pel Konstantin Penanen M. B. Petach J. P. Pye T. P. Ray Etienne Renotte Ian Renouf M. E. Ressler Piyal Samara-Ratna Silvia Scheithauer Analyn Schneider Bryan Shaughnessy Tim Stevenson Kalyani Sukhatme Bruce Swinyard Jon Sykes John Thatcher Tuomo Tikkanen E. F. van Dishoeck C. Waelkens Helen Walker Martyn Wells Alex Zhender
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classification 🌌 astro-ph.IM
keywords miridesigninstrumentdeliverydescribesjwstmid-infraredpower
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The Mid-InfraRed Instrument (MIRI) on the James Webb Space Telescope (JWST) provides measurements over the wavelength range 5 to 28.5 microns. MIRI has, within a single 'package', four key scientific functions: photometric imaging, coronagraphy, single-source low-spectral resolving power (R ~ 100) spectroscopy, and medium-resolving power (R ~ 1500 to 3500) integral field spectroscopy. An associated cooler system maintains MIRI at its operating temperature of < 6.7 K. This paper describes the driving principles behind the design of MIRI, the primary design parameters, and their realization in terms of the 'as-built' instrument. It also describes the test program that led to delivery of the tested and calibrated Flight Model to NASA in 2012, and the confirmation after delivery of the key interface requirements.

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  1. From Young to Older Disks: JWST/MIRI Evidence for Fading Molecular Emission and Hints for Elevated C/O in Upper Scorpius

    astro-ph.EP 2026-06 unverdicted novelty 7.0

    Older Upper Scorpius disks show reduced molecular emission and hints of higher inner-gas C/O ratios than young disks, indicating chemical evolution consistent with pebble drift.