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Composite Infrared Spectrometer (CIRS) on CassiniThe Cassini spacecraft orbiting Saturn carries the composite infrared spectrometer (CIRS) designed to study thermal emission from Saturn and its rings and moons. CIRS, a Fourier transform spectrometer, is an indispensable part of the payload providing unique measurements and important synergies with the other instruments. It takes full advantage of Cassini's 13-year-long mission and surpasses the capabilities of previous spectrometers on Voyager 1 and 2. The instrument, consisting of two interferometers sharing a telescope and a scan mechanism, covers over a factor of 100 in wavelength in the mid and far infrared. It is used to study temperature, composition, structure, and dynamics of the atmospheres of Jupiter, Saturn, and Titan, the rings of Saturn, and surfaces of the icy moons. CIRS has returned a large volume of scientific results, the culmination of over 30 years of instrument development, operation, data calibration, and analysis. As Cassini and CIRS reach the end of their mission in 2017, we expect that archived spectra will be used by scientists for many years to come.
Document ID
20170006047
Acquisition Source
Goddard Space Flight Center
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Jennings, Donald E.
(NASA Goddard Space Flight Center Greenbelt, MD United States)
Flasar, F. M.
(NASA Goddard Space Flight Center Greenbelt, MD United States)
Kunde, V. G.
(Maryland Univ. College Park, MD, United States)
Nixon, C. A.
(NASA Goddard Space Flight Center Greenbelt, MD United States)
Segura, M. E.
(Maryland Univ. College Park, MD, United States)
Romani, P. N.
(NASA Goddard Space Flight Center Greenbelt, MD United States)
Gorius, N.
(Catholic Univ. of America Washington, DC, United States)
Albright, S.
(Hammers Co. Greenbelt, MD, United States)
Brasunas, J. C.
(NASA Goddard Space Flight Center Greenbelt, MD United States)
Carlson, R. C.
(Catholic Univ. of America Washington, DC, United States)
Mamoutkine, A. A.
(Adnet Systems, Inc. Greenbelt, MD, United States)
Guandique, E.
(Adnet Systems, Inc. Greenbelt, MD, United States)
Kaelberer, M. S.
(Adnet Systems, Inc. Greenbelt, MD, United States)
Aslam, S.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Achterberg, R. K.
(Maryland Univ. College Park, MD, United States)
Bjoraker, G. L.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Anderson, C. M.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Cottini, V.
(Maryland Univ. College Park, MD, United States)
Pearl, J. C.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Smith, M. D.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Hesman, B. E.
(Space Telescope Science Inst. Baltimore, MD, United States)
Barney, R. D.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Calcutt, S.
(Oxford Univ. Oxford, United Kingdom)
Vellacott, T. J.
(Experian Ltd. London, England)
Spilker, L. J.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Edgington, S. G.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Brooks, S. M.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Ade, P.
(Cardiff Univ. United Kingdom)
Schinder, P. J.
(Cornell Univ. Ithaca, NY, United States)
Coustenis, A.
(Observatoire de Paris France)
Courtin, R.
(Observatoire de Paris France)
Michel, G.
(Observatoire de Paris France)
Fettig, R.
(Independent Researcher Steinmauern, Germany)
Pilorz, S.
(Search for Extraterrestrial Intelligence Inst. Mountain View, CA, United States)
Ferrari, C.
(CEA Saclay, Service d'Astrophysique Gif-sur-Yvette, France)
Date Acquired
July 3, 2017
Publication Date
June 20, 2017
Publication Information
Publication: Applied Optics
Publisher: Optical Society of America (OSA)
Volume: 56
Issue: 18
ISSN: 1559-128X
e-ISSN: 2155-3165
Subject Category
Optics
Report/Patent Number
GSFC-E-DAA-TN43884
Funding Number(s)
CONTRACT_GRANT: NNG15CR67C
CONTRACT_GRANT: NNX15AK09A
Distribution Limits
Public
Copyright
Other

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