Institution: | Centro de Astrofisica da Universidade do Porto, rua das Estrelas, 4150-762 Porto, Portugal;Laboratoire d'Astrophysique, Observatoire Midi-Pyrénées, 14 Av. E. Belin, F–31400 Toulouse, France;School of Chemistry and Physics, Keele University, Staffordshire ST5 5BG;European Southern Observatory, Alonso de Cordova 3107, Vitacura, Santiago, Chile;Department of Physics and Astronomy, The University of Western Ontario, London, Ontario, Canada N6G 3K7;Institut für Astronomie, Tuerkenschanzstrasse 17, A-1180 Wien, Austria;Department of Physics and Astronomy, University of Calgary, Calgary, Alberta, Canada T2N 1N4;Royal Military College of Canada, Department of Physics, PO Box 17000, Station 'Forces', Kingston, Ontario, Canada K7K 4B4 |