Temperature Structure of Saturn from Spectral Mapping by Cassini CIRS and Joint High-Resolution Subaru COMICS and IRTF MIRSI Mid-Infrared Imaging

Details Temperature Structure of Saturn from Spectral Mapping by Cassini CIRS and Joint High-Resolution Subaru COMICS and IRTF MIRSI Mid-Infrared Imaging Temperature Structure of Saturn from Spectral Mapping by Cassini CIRS and Joint High-Resolution Subaru COMICS and IRTF MIRSI Mid-Infrared Imaging

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005agufm.p11c0129o&link_type=abstract

American Geophysical Union, Fall Meeting 2005, abstract #P11C-0129

Other

5700 Planetary Sciences: Fluid Planets, 5704 Atmospheres (0343, 1060), 5739 Meteorology (3346), 5754 Polar Regions, 5794 Instruments And Techniques

Scientific paper

We report on a joint project of Cassini and ground-based support observations of Saturn's temperature field. Several sequences of CIRS spectra were made during 2004-2005 which scanned Saturn's central meridian using its FP1 (long wavelength-) and its FP3 and FP4 (intermediate- and short-wavelength) focal planes for the purpose of determining temperatures between 1 microbar and 400 mbar total pressure at spatial resolutions ranging from 170 to 3800 km (from 0.5 to 11 great-circle degrees). These infrequent observations (2004 Oct 30; 2005 March 10, April 8-9, May 22) were supplemented by a program at the NASA Infrared Telescope Facility of thermal imaging using the MIRSI mid-infrared camera spectrometer with diffraction-limited resolutions of ~3000 km, which provided a time sequence which is particularly valuable for characterizing wave structure and other time-dependent phenomena and for verifying CIRS temperature maps at 10 mbar or between 100 and 400 mbar pressure. We also obtained diffraction-limited resolutions of 1000 km thermal images of Saturn from the Subaru Japanese National Telescope using their COMICS facility mid-infrared camera/spectrometer on 2005 April 30 and May 24, providing spatial resolution commensurate with the Cassini/CIRS, global imaging, the opportunity for center-to-limb studies, and the means to track variability in PH3 and cloud optical thickness in very faint spectral regions. The meridional variability of temperatures is consistent with the seasonal dependence of temperatures documented by two decades of thermal monitoring of Saturn at the IRTF.

Affiliated with

Also associated with

No associations

Rating

Temperature Structure of Saturn from Spectral Mapping by Cassini CIRS and Joint High-Resolution Subaru COMICS and IRTF MIRSI Mid-Infrared Imaging does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Temperature Structure of Saturn from Spectral Mapping by Cassini CIRS and Joint High-Resolution Subaru COMICS and IRTF MIRSI Mid-Infrared Imaging, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Temperature Structure of Saturn from Spectral Mapping by Cassini CIRS and Joint High-Resolution Subaru COMICS and IRTF MIRSI Mid-Infrared Imaging will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-747781