Affiliation: | School of Physics and Astronomy, University of Birmingham, Edgbaston, Birmingham B15 2TT;Department of Astronomy, School of Science, University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan;Solar &Plasma Astrophysics Division and Solar-B Project Office, National Astronomical Observatory of Japan, Natural Institutes of Natural Sciences, Mitaka, Tokyo 181-8588, Japan;Institute of Astronomy, University of Cambridge, Cambridge CB3 0HA;Department of Applied Mathematics and Theoretical Physics, Cambridge CB3 0WA |