| Institution: | Córdoba Observatory and CONICET, Laprida 854, 5000 Córdoba, Argentina;Calar Alto Observatory, C/Jesus Durban Remon 2-2, E-04004 Almeria, Spain;Gemini Observatory, La Serena, Chile;Institute of Astronomy, Madingley Road, Cambridge CB3 OHA;Instituto Nacional de Astrofisica Optica y Electronica (INAOE), Puebla, Mexico;Instituto de Astrofisica de Canarias, 38205 La Laguna, Tenerife, Spain;Centre for Relativistic Astrophysics, University of Rome La Sapienza, Italy and USA;Astronomical Institute, Tohoku University, Aoba, Sendai 980-8578, and Ehime Universiy, Matsuyama, Japan;Department of Physics and Astronomy, John Hopkins University, Baltimore, MD 21218, USA;Astrophysics Institute of Potsdam, An der Sternwarte 16, 14482 Potsdam, Germany |
