International audienceWe present an analysis of thermal infrared spectra acquired in limb viewing geometry by Cassini/CIRS in February 2010. We retrieve vertical profiles of Saturn's stratospheric temperature from 20 hPa to 10-2 hPa, at 9 latitudes between 20°N and 20°S. Using the gradient thermal wind equation, we derive a map of the zonal wind field. Both the temperature and the zonal wind vertical profiles exhibit an oscillation in the equatorial region. These results are compared to the temperature and zonal wind maps obtained from 2005-2006 CIRS limb data, when this oscillation was first reported. In both epochs, strong temperature anomalies at the equator (up to 20K) are consistent with adiabatic heating (cooling) due to a sinking (ri...
The zonal jets on the giant planets are generally thought to be stable with time. Recently, there ar...
The observations of Saturn by the Cassini mission spanned thirteen years (2004-2017) and provided sc...
International audienceOver the course of its 29.5-years orbit, Saturn undergoes significant seasonal...
International audienceWe present an analysis of thermal infrared spectra acquired in limb viewing ge...
We present an analysis of thermal infrared spectra acquired in limb viewing geometry by Cassini/CIRS...
International audienceWe study the evolution of Saturn's Quasi-Periodic Oscillation, a dynamical phe...
Ground-based and Cassini CIRS thermal-infrared data have characterized the spatial and temporal char...
The Composite InfraRed Spectrometer (CIRS) on board Cassini revealed an equatorial oscillation of st...
International audienceFive years of thermal infrared spectra from the Cassini Composite Infrared Spe...
The zonal jets on the giant planets have been thought to be stable in time1-3. A decline in the velo...
International audienceSaturn's equatorial stratosphere exhibits at pattern of periodic oscillations ...
The zonal jets on the giant planets are generally thought to be stable with time. Recently, there ar...
The observations of Saturn by the Cassini mission spanned thirteen years (2004-2017) and provided sc...
International audienceOver the course of its 29.5-years orbit, Saturn undergoes significant seasonal...
International audienceWe present an analysis of thermal infrared spectra acquired in limb viewing ge...
We present an analysis of thermal infrared spectra acquired in limb viewing geometry by Cassini/CIRS...
International audienceWe study the evolution of Saturn's Quasi-Periodic Oscillation, a dynamical phe...
Ground-based and Cassini CIRS thermal-infrared data have characterized the spatial and temporal char...
The Composite InfraRed Spectrometer (CIRS) on board Cassini revealed an equatorial oscillation of st...
International audienceFive years of thermal infrared spectra from the Cassini Composite Infrared Spe...
The zonal jets on the giant planets have been thought to be stable in time1-3. A decline in the velo...
International audienceSaturn's equatorial stratosphere exhibits at pattern of periodic oscillations ...
The zonal jets on the giant planets are generally thought to be stable with time. Recently, there ar...
The observations of Saturn by the Cassini mission spanned thirteen years (2004-2017) and provided sc...
International audienceOver the course of its 29.5-years orbit, Saturn undergoes significant seasonal...