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Cassini infrared Fourier spectroscopic investigation

Horn, Linda, Kunde, Virgil G., Ade, Peter A. R., Barney, Richard D., Bergman, D., Bonnal, Jean-Francois, Borelli, R., Boyd, David, Brasunas, John C., Brown, Gregory V., Calcutt, Simon B., Carroll, F., Courtin, R., Cretolle, Jacky B., Crooke, Julie A., Davis, Martin A., Edberg, S., Fettig, Rainer K., Flasar, M., Glenar, David A., Graham, S., Hagopian, John G., Hakun, Claef F., Hayes, Patricia A., Herath, L., Spilker, Linda, Jennings, Donald E., Karpati, Gabriel, Kellebenz, C., Lakew, Brook, Lindsay, J., Lohr, J., Lyons III, James J., Martineau, Robert J., Martino, Anthony J., Matsumura, Mack, McCloskey, J., Melak, T., Michel, Guy, Morrell, Armando, Mosier, C., Pack, LaTunia G., Plants, M., Robinson, D., Rodriguez, Louis, Romani, Paul, Schaefer, Bill, Schmidt, Stephen M., Trujillo, Carlos, Vellacott, Tim, Wagner, K. and Yun, D. 1996. Cassini infrared Fourier spectroscopic investigation. Presented at: Cassini/Huygens : a mission to the Saturnian systems, Denver, CO, 5-6 August , 1996. Published in: Horn, Linda ed. Cassini/Huygens : a mission to the Saturnian systems : 5-6 August 1996, Denver, Colorado. Proceedings of SPIE--the International Society for Optical Engineering , vol. 2803. Bellingham, W.A.: The International Society for Optical Engineering (SPIE), p. 162. 10.1117/12.253416

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Abstract

The composite infrared spectrometer (CIRS) is a remote sensing instrument to be flown on the Cassini orbiter. CIRS will retrieve vertical profiles of temperature and gas composition for the atmospheres of Titan and Saturn, from deep in their tropospheres to high in their stratospheres. CIRS will also retrieve information on the thermal properties and composition of Saturn's rings and Saturnian satellites. CIRS consists of a pair of Fourier Transform Spectrometers (FTSs) which together cover the spectral range from 10-1400 cm-1 with a spectral resolution up to 0.5 cm-1. The two interferometers share a 50 cm beryllium Cassegrain telescope. The far-infrared FTS is a polarizing interferometer covering the 10-600 cm-1 range with a pair of thermopile detectors, and a 3.9 mrad field of view. The mid-infrared FTS is a conventional Michelson interferometer covering 200-1400 cm-1 in two spectral bandpasses: 600-1100 cm- 1100-1400 cm(superscript -1 with a 1 by 10 photovoltaic HgCdTe array. Each pixel of the arrays has an approximate 0.3 mrad field of view. The HgCdTe arrays are cooled to approximately 80K with a passive radiative cooler.

Item Type: Conference or Workshop Item (Paper)
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QB Astronomy
Publisher: The International Society for Optical Engineering (SPIE)
ISBN: 081942191X
ISSN: 0277-786X
Last Modified: 04 Jun 2017 06:34
URI: http://orca.cf.ac.uk/id/eprint/62124

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