Affiliation: | European Southern Observatory (ESO), Karl-Schwarzschild-Str. 2, D-85748 Garching bei München, Germany;Dipartimento di Astronomia, Universitádi Padova, Vicolo dell'Osservatorio 2, I-35122 Padova, Italy;Osservatorio Astronomico di Padova,Vicolo dell'Osservatorio 5, I-35122 Padova, Italy;ITEP, 117218 Moscow, Russia;Max-Planck-Institut für Astrophysik, Karl-Schwarzschild-Str. 1, D-85741 Garching bei München, Germany;Blackett Laboratory, Imperial College London, Prince Consort Road, London SW7 2BW;Osservatorio Astronomico di Trieste, Via Tiepolo 11, I-34131 Trieste, Italy;National Astronomical Observatories, Chinese Academy of Sciences, 100012 Beijing, China;Department of Astronomy, University of Barcelona, Marti i Franques 1, E-08028 Barcelona, Spain;Institute of Astronomy, University of Cambridge, Madingley Road, Cambridge CB3 0HA;Sternberg Astronomical Institute, Universitetski pr. 13, 119899 Moscow, Russia;Universitäts-Sternwarte München, Scheinerstr. 1, D-81679 München, Germany;Department of Physics and Astronomy, Southampton University, Southampton SO17 1BJ;Instituto de Astrofísica de Canarias, C/Vía Láctea, s/n, 38205 La Laguna, Santa Cruz de Tenerife, Spain;Planetary and Space Sciences Research Institute, The Open University, Milton Keynes MK7 6AA;University of Nijmegen, 6500 GL Nijmegen, the Netherlands;Institute of Physics, Savanoriu pr. 231, LT-02300 Vilnius, Lithuania;Department of Pure and Applied Physics, The Queen's University of Belfast, Belfast BT7 1NN |