1. School of Cosmic Physics DIAS Dunsink Observatory Dublin Institute for Advanced Studies Dublin Ireland
2. School of Physics Trinity College Dublin Dublin Ireland
3. Department of Physics and Astronomy University College London London UK
4. Centre for Planetary Sciences at UCL/Birkbeck London UK
5. Harvard‐Smithsonian Center for Astrophysics Smithsonian Astrophysical Observatory Cambridge MA USA
6. Mullard Space Science Laboratory Department of Space and Climate Physics University College London Dorking UK
7. Space Science and Engineering Division Southwest Research Institute San Antonio TX USA
8. Department of Physics and Astronomy University of Texas at San Antonio San Antonio TX USA