Institution: | Departamento de Astronomía, Universidad de Chile, Casilla 36-D, Santiago, Chile;Astronomy Department, Yale University, PO Box 208101, New Haven, CT 06520-8101, USA;Department of Astronomy, Boston University, 725 Commonwealth Avenue, Boston, MA 02215, USA;Department of Astronomy, Ohio State University, 140 West 18th Avenue, Columbus, OH 43210, USA |