Revisit the modeling of the Saturnian ring atmosphere and ionosphere from the "Cassini Grand Finale” results

Wei-Ling Tseng, Department of Earth Sciences, National Taiwan Normal University, Taipei, Taiwan, Robert E Johnson, University of Virginia, Materials Science and Engineering, Charlottesville, United States, Orenthal J Tucker, University of Virginia, Charlottesville, VA, United States, Mark E Perry, Applied Physics Laboratory Johns Hopkins, Laurel, MD, United States, Wing-Huen Ip, National Central University, Institute of Astronomy, Taoyuan City, Taiwan and The Cassini INMS team