Computer Science – Performance
Scientific paper
Dec 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...20921006r&link_type=abstract
2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #210.06; Bulletin of the American Astronomical Society,
Computer Science
Performance
Scientific paper
The Mid-Infrared Instrument (MIRI) for JWST provides imaging, spectroscopy (R 100 and R 2000), and coronagraphy from 5 through 28 microns. Because the instrument operates on a cold telescope in space, its sensitivity for all of these functions is at least three orders of magnitude greater than can be obtained from the ground and nearly two orders of magnitude better than provided by the Spitzer Telescope. Operation above the atmosphere also allows unobstructed access to the full spectral range, important to probe the nature of extrasolar giant planets, to study star formation in cold cloud cores (where there are interstellar windows well aligned with the terrestrial absorptions), and to study molecules that are precursors for life. An important recent upgrade in MIRI is the adoption of a mechanical cooler, so the instrument can function for the entire operating life of JWST. With the exception of the cooler, the instrument subsystems have successfully passed critical design reviews, and an overall CDR is now in progress. This poster will show some of the progress on the instrument hardware and update assessments of the performance it will provide. The instrument components as manufactured are generally in agreement with expectations, providing confidence that MIRI will perform as expected on orbit.
MIRI Science Team
Rieke George
Wright Gillian S.
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