article Open AccessTop 1% cited

Improved cosmological constraints from a joint analysis of the SDSS-II and SNLS supernova samples

Astronomy and Astrophysics · 2014 · Vol. 568 · pp. A22–A22

M. Betoule✉(Laboratoire de Physique Nucléaire et de Hautes Énergies)R. Keßler(University of Chicago)J. Guy(Laboratoire de Physique Nucléaire et de Hautes Énergies)J. Mosher(University of Pennsylvania)D. Hardin(Sorbonne Université)Rahul Biswas(Argonne National Laboratory)P. Astier(Laboratoire de Physique Nucléaire et de Hautes Énergies)P. El-Hage(Laboratoire de Physique Nucléaire et de Hautes Énergies)Michael König(Université Paris Cité)S. E. Kuhlmann(Argonne National Laboratory)J. Marriner(Fermi National Accelerator Laboratory)R. Pain(Laboratoire de Physique Nucléaire et de Hautes Énergies)N. Regnault(Sorbonne Université)C. Balland(Université Paris Cité)Bruce A. Bassett(University of Cape Town)P. J. Brown(Mitchell Institute)H. Campbell(University of Cambridge)R. G. Carlberg(University of Toronto)F. Cellier-Holzem(Sorbonne Université)D. Cinabro(Wayne State University)A. Conley(University of Colorado Boulder)C. B. D’Andrea(University of Portsmouth)D. L. DePoy(Mitchell Institute)Mamoru Doi(The University of Tokyo)Richard S. Ellis(California Institute of Technology)S. Fabbro(University of Victoria)A. V. Filippenko(University of California, Berkeley)R. J. Foley(University of Illinois Urbana-Champaign)J. Frieman(Fermi National Accelerator Laboratory)D. Fouchez(Centre National de la Recherche Scientifique)L. Galbany(University of Chile)A. Goobar(AlbaNova)R. Gupta(University of Pennsylvania)Gary J. Hill(The University of Texas at Austin)Renée Hložek(Princeton University)Craig J. Hogan(Fermi National Accelerator Laboratory)I. Hook(Astronomical Observatory of Rome)D. A. Howell(Las Cumbres Observatory Global Telescope Network)Saurabh W. Jha(Rutgers, The State University of New Jersey)L. Le Guillou(Université Paris Cité)G. Leloudas(Stockholm University)C. Lidman(Australian Astronomical Observatory)J. L. Marshall(Mitchell Institute)A. Möller(CEA Paris-Saclay)A. Mourão(University of Lisbon)J. Neveu(Commissariat à l'Énergie Atomique et aux Énergies Alternatives)R. C. Nichol(University of Portsmouth)Matthew D. Olmstead(University of Utah)N. Palanque‐Delabrouille(CEA Paris-Saclay)S. Perlmutter(Lawrence Berkeley National Laboratory)J. L. Prieto(Mitchell Institute)C. J. Pritchet(University of Victoria)M. Richmond(Rochester Institute of Technology)Adam G. Riess(Space Telescope Science Institute)V. Ruhlmann-Kleider(CEA Paris-Saclay)M. Šako(University of Pennsylvania)K. Schahmanèche(Laboratoire de Physique Nucléaire et de Hautes Énergies)Donald P. Schneider(Pennsylvania State University)M. Smith(University of the Western Cape)J. Sollerman(Fraunhofer Chalmers Research Centre for Industrial Mathematics)M. Sullivan(University of Southampton)N. A. Walton(University of Cambridge)C. Wheeler(The University of Texas at Austin)

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Abstract

Aims. We present cosmological constraints from a joint analysis of type Ia supernova (SN Ia) observations obtained by the SDSS-II and SNLS collaborations. The dataset includes several low-redshift samples (z< 0.1), all three seasons from the SDSS-II (0.05 <z< 0.4), and three years from SNLS (0.2 <z< 1), and it totals 740 spectroscopically confirmed type Ia supernovae with high-quality light curves.

Gamma-ray bursts and supernovae Cosmology and Gravitation Theories Astrophysics and Cosmic PhenomenaPhysicsAstrophysicsSupernovaCosmologyCosmological modelAstronomy

Funding

National Science Foundation
U.S. Department of Energy
National Aeronautics and Space Administration
Alfred P. Sloan Foundation
Princeton University
Ohio State University
University of Chicago
University of Washington
Johns Hopkins University
University of Pittsburgh
Case Western Reserve University
Drexel University
Pennsylvania State University
Universität Basel
University of Texas at Austin
University of Portsmouth
New Mexico State University
Royal Society
University of Cambridge
Danmarks Grundforskningsfond
Chinese Academy of Sciences
Georg-August-Universität Göttingen
Max-Planck-Gesellschaft
Vetenskapsrådet
Centre National de la Recherche Scientifique
Universidad Nacional Autónoma de México
National Astronomical Observatory of Japan
Max-Planck-Institut für Astronomie
Science and Technology Facilities Council
Institut National de Physique Nucléaire et de Physique des Particules
U.S. Naval Observatory
Fermilab
Los Alamos National Laboratory

Citations

1,860

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References

212

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