机译:The Carnegie Hubble program
Observational Cosmology Lab, NASA Goddard Space Flight Center, Greenbelt, MD 20771, United States;
Department of Astronomy, Boston University, 725 Commonwealth Avenue, Boston, MA 02215, United States;
Dominion Astrophysical Observatory, National Research Council of Canada, Herzberg Institute of Astrophysics, 5071 West Saanich Road, Victoria, BC 2E7, CanadaObservatories of the Carnegie Institution of Washington, 813 Santa Barbara St., Pasadena, CA 91101, United States;
distance scale; galaxies: distances and redshifts; stars: variables: Cepheids;