Institution: | Department of Astronomy, University of Washington, Box 351580, Seattle, WA 98195, USA;Department of Astronomy, University of Massachusetts, Amherst, MA 01003, USA;Department of Physics and Astronomy, McMaster University, Hamilton, Ontario L88 4M1, Canada;INAF, Osservatorio Astronomico di Brera, via Brera 29, 20121 Milano, Italy |