| Affiliation: | Astrophysics Group, School of Chemistry &Physics, Keele University, Staffordshire ST5 5BG;Institute of Astronomy, Madingley Road, Cambridge CB3 0HA;Institut d'Astrophysique de Paris, CNRS, 98 bis Boulevard Arago, F-75014 Paris, France;Instituut voor Sterrenkunde, Katholieke Universiteit Leuven, Celestijnenlaan 200 B, B-3001 Leuven, Belgium;South African Astronomical Observatory, PO Box 9, Observatory 7935, South Africa;Leiden Observatory, PO Box 9513, NL-2300 RA Leiden, the Netherlands;Institute of Space and Astronautical Science, 3-1-1 Yoshinodai, Sagamihara, Kanagawa 229, Japan |
