Sensitivity estimates for the mid-infrared instrument (MIRI) on the JWST

Bruce Miles Swinyard; George H. Rieke; Michael Ressler; Alistair Glasse; Gillian S. Wright; Marc Ferlet; Martyn Wells

doi:10.1117/12.551223

12 October 2004 Sensitivity estimates for the mid-infrared instrument (MIRI) on the JWST

Bruce Miles Swinyard, George H. Rieke, Michael Ressler, Alistair Glasse, Gillian S. Wright, Marc Ferlet, Martyn Wells

Proceedings Volume 5487, Optical, Infrared, and Millimeter Space Telescopes; (2004) https://doi.org/10.1117/12.551223
Event: SPIE Astronomical Telescopes + Instrumentation, 2004, Glasgow, United Kingdom

Abstract

Modelling the scientific performance of infrared instruments during the design and definition phase of a project is an essential part of the system design optimisation for both the instrument and the observatory. This is particularly so in the case of space observatories where the opportunities for correcting design errors or omissions following launch are limited. We describe the approach taken to the estimation of the sensitivity of the Mid Infrared Instrument (MIRI) operating from 5 to 28 microns on the NASA/ESA James Webb Space Telescope (JWST) due for launch in 2011. We show how the sensitivity is estimated both for the photometric imager and the integral field spectrometer using a model that includes the effects of background radiation from the telescope and its surroundings; diffraction effects and detector performance and operations.

Citation Download Citation

Bruce Miles Swinyard, George H. Rieke, Michael Ressler, Alistair Glasse, Gillian S. Wright, Marc Ferlet, and Martyn Wells "Sensitivity estimates for the mid-infrared instrument (MIRI) on the JWST", Proc. SPIE 5487, Optical, Infrared, and Millimeter Space Telescopes, (12 October 2004); https://doi.org/10.1117/12.551223

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