| Affiliation: | Department of Physics and Astronomy, University of Leicester, Leicester LE1 7RH;Astrophysics Research Institute, Liverpool John Moores University, Birkenhead CH41 1LD;Physics Department, University of Nevada, Las Vegas, NV, USA;Department of Astronomy &Astrophysics, 517 Davey Lab, Pennsylvania State University, University Park, PA 16802, USA;ASI Science Data Centre, via Galileo Galilei, 00044 Frascati, Italy;NASA/Goddard Space Flight Center, Greenbelt, MD 20771, USA;Universities Space Research Association, 10211 Wincopin Circle, Suite 500, Columbia, MD, 21044, USA;INAF –Istituto di Astrofisica Spaziale e Fisica Cosmica di Palermo, Via Ugo La Malfa 153, 90146 Palermo, Italy |
