| Affiliation: | School of Physics, University of Sydney, NSW 2006, Australia;Anglo-Australian Observatory, PO Box 296, Epping, NSW 1710, Australia;Department of Terrestrial Magnetism, Carnegie Institution of Washington, 5241 Broad Branch Road NW, Washington, DC 20015-1305, USA;Centre for Astrophysics Research, University of Hertfordshire, College Lane, Hatfield AL10 9AB;Department of Astronomy, University of California, Berkeley, CA 94720, USA;Rutherford Appleton Laboratory, Chilton, Didcot, Oxon OX11 0QX;Faculty of Sciences, University of Southern Queensland, Toowoomba 4350, Australia |
