| Institution: | Astrophysics Group, School of Chemistry and Physics, Keele University, Staffordshire ST5 5BG;Department of Astrophysics, Oxford University, Keble Road, Oxford OX1 3RH;Department of Physics and Astronomy, University of Southampton, Southampton SO17 1BJ;Space Telescope Science Institute, 3700 San Martin Drive, Baltimore, MD21218, USA;School of Physics, University of Exeter, Stocker Road, Exeter EX4 4QL;Instituto de Astrofísica de Canarias, Vía Láctea S/N, La Laguna 38200, Tenerife, Spain |
