Institution: | European Southern Observatory, Karl-Schwarzchild-Strasse 2, 85748 Garching-bei-München, Germany;Observatoire de Genève, 1290 Sauverny, Switzerland;Astrophysikalisches Institut Potsdam, An der Sternwarte 16, 14482 Potsdam, Germany;Institute of Astronomy, Madingley Road, Cambridge CB3 0HA |