Planetary Period Oscillations at Saturn: Auroral Observations

Tuesday, 16 December 2014: 9:30 AM
Sarah Victoria Badman1, Gabrielle Provan2, Henrik Melin3, Jonathan D Nichols2, Donald G Mitchell4, Wayne Robert Pryor5, Emma J Bunce6, Stanley W H Cowley2, Katerina Radioti7, William S Kurth8, Stephanie L Jinks2, Tom Stallard2, Robert Hamilton Brown9, Kevin H Baines10 and Michele Karen Dougherty11, (1)Lancaster University, Lancaster, United Kingdom, (2)University of Leicester, Leicester, United Kingdom, (3)University of Leicester, Leicester, LE1, United Kingdom, (4)JHU/APL, Laurel, MD, United States, (5)Central Arizona College, Coolidge, AZ, United States, (6)Univ Leicester, Leicester, United Kingdom, (7)University of Liège, Laboratoire de Physique Atmosphérique et Planétaire, Liège, Belgium, (8)University of Iowa, Iowa City, IA, United States, (9)University of Arizona, Tucson, AZ, United States, (10)Jet Propulsion Laboratory, Pasadena, CA, United States, (11)Imperial College London, Blackett Laboratory, London, United Kingdom
Saturn’s aurora reveal the connection between its magnetosphere and atmosphere. Both the intensity and location of the aurora are dependent on the ‘planetary period’ oscillations which are prevalent in Saturn’s magnetosphere. We show observations from recent multi-instrument auroral campaigns demonstrating these dependences and how they are affected by large-scale magnetospheric dynamics such as solar wind compressions.