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Proceedings Paper

Fourier transform spectroscopy with a deformable mirror
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Paper Abstract

During the in-orbit checkout phase of the Infrared Spectrograph1 on board The Spitzer Telescope,2 it was found that the noise of the spectrograph's arrays was correlated with the number of cosmic ray hits. Our analysis reveals that the cause of that effect is most likely due to the algorithms used to correct cosmic ray hits on dark pixels. We also found that the noise characteristics of the pixels that have an illumination that is lower than 1/10 of the full well is artificially raised by the cosmic ray correction by a factor of about 10% if 1% of the pixels are affected by cosmic rays.

Paper Details

Date Published: 12 October 2004
PDF: 7 pages
Proc. SPIE 5487, Optical, Infrared, and Millimeter Space Telescopes, (12 October 2004); doi: 10.1117/12.549182
Show Author Affiliations
Richard L. Kendrick, Lockheed Martin Advanced Technology Ctr. (United States)
Eric H. Smith, Lockheed Martin Advanced Technology Ctr. (United States)


Published in SPIE Proceedings Vol. 5487:
Optical, Infrared, and Millimeter Space Telescopes
John C. Mather, Editor(s)

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