Affiliation: | Institut für Astrophysik, Leopold-Franzens-Universität Innsbruck, Technikerstraße 25, A-6020 Innsbruck, Austria;Australia Telescope National Facility, CSIRO, PO Box 76, Epping, NSW 1710, Australia;Space Telescope European Coordinating Facility, European Southern Observatory, Karl-Schwarzschild-Straße 2, D-85748 Garching, Germany |