UKIRT/Gemini Michelle, Mid-Infrared Spectrometer and Imager

1998 - 2000

MichelleProject overview

Michelle is a mid-infrared spectrometer and imager for use on both the UKIRT and Gemini North telescopes at the thermal infrared wavelengths between 8 and 25 microns. Michelle provides new capabilities in the relatively unexplored mid-infrared spectral region. Typical research fields will include the physics and chemistry of interstellar dust, the effects of interstellar shocks and polarimetry of the interstellar medium. Michelle results will have a major influence on our understanding of star and planet formation, including the evolution of proto-planetary disks, the formation of brown dwarf stars and in untangling the nature of starburst galaxies and active galactic nuclei.

The University of Reading has been responsible for the design and fabrication of long-wavelength precision bandpass filters between 18.5 and 24.5 microns. The infrared filters and coatings developed for the Michelle, mid-infrared spectrometer and imager project were part of a consortium lead by Alistair Glasse from the UK Astronomy Technology Centre - Royal Observatory Edinburgh. Other consortium members included the California Association for Research in Astronomy, National Astronomical Observatory of Japan, Subaru Telescope, University of Arizona, University of Boston, University of Illinois and the University of Florida.

Delivered hardware

Description  Filter Type Quantity Wavelength Region Substrate Material Dimensions
Imager Filters Narrow Bandpass filters 3 channels 18.5 - 24.5 µm Cadmium Telluride (CdTe) 12.7, 25.4 and 38.1 mm Dia x 2.0 mm T

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