Affiliation: | Observatorio Astronómico, Universidad Nacional de Córdoba, Laprida 854, 5000 Córdoba, Argentina;Instituto de Astronomía Teórica y Experimental, Conicet, Argentina;Department of Physics and Astronomy, University of Victoria, Victoria, BC V8P 5C2, Canada;Max-Planck Institut für Astrophysik, Karl-Schwarzschild Strasse 1, Garching D-85741, Germany;Astrophysikalisches Institut Potsdam, An der Sternwarte 16, Potsdam 14482, Germany |