| Affiliation: | Córdoba Observatory and CONICET, Laprida 854, 5000 Córdoba, Argentina;Institute of Astronomy, Madingley Road, Cambridge CB3 0HA;Instituto Nacional de Astrofisica Optica y Electronica (INAOE), Puebla, Mexico;Department of Physics and Astronomy, John Hopkins University, Baltimore MD 21218, USA;Instituto de Astrofisica de Canarias, 38205 La Laguna, Tenerife, Canary Island, Spain;Calar Alto Observatory, C/Jesus Durban Remon 2-2, E-04004 Almeria, Spain;National Optical Astronomy Observatories Gemini Science Center, La Serena, Chile |
