NDLI: Saturn's atmospheric composition from observations by the cassini/composite infrared spectrometer

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Saturn's atmospheric composition from observations by the cassini/composite infrared spectrometer

Content Provider	NASA Technical Reports Server (NTRS)
Author	Abbas, M. M. Flasar, F. M. Kunde, V. G. Young, M. LeClair, A. C. Achterberg, R. K.
Copyright Year	2010
Description	Thermal emission infrared observation of Saturn s atmosphere are being made by the Composite Infrared Spectrometer (CIRS) aboard the Cassini spacecraft since its insertion in Saturn s orbit on July 2nd, 2004. The measurements made in both limb and nadir modes of observations consist of infrared spectra in the 10-1400/cm region with a variable spectral resolution of 0.53/cm and 2.8/cm, and exhibit rotational and vibrational spectral features that may be analyzed for retrieval of the thermal structure and constituent distribution of Saturn s atmosphere. In this paper, we present a comprehensive analysis of the CIRS infrared observed spectra for retrieval of Saturn s atmospheric composition focusing on the distributions of some selected hydrocarbons, phosphine, ammonia, and possible determination of the isotopic ratios of some species with sufficiently strong isolated spectral features. A comparison of the retrieved constituent distributions with the available data in the literature will be made.
File Size	48218
Page Count	1
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20100032973
Archival Resource Key	ark:/13960/t78s9q97n
Language	English
Publisher Date	2010-07-18
Access Restriction	Open
Subject Keyword	Astronomy Atmospheric Composition Thermal Emission Spectral Resolution Infrared Spectrometers Space Probes Hydrocarbons Infrared Radiation Phosphines Saturn Atmosphere Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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