Improved cosmological constraints from a joint analysis of the SDSS-II and SNLS supernova samples
M. BetouleLPNHE, CNRS/IN2P3, Université Pierre et Marie Curie Paris 6, Université Denis Diderot Paris 7, 4 place Jussieu, 75252 Paris Cedex 05, FranceR. KeßlerDepartment of Astronomy and Astrophysics, University of Chicago, 5640 South Ellis Avenue, Chicago IL 60637, USAJ. GuyLBNL, 1 Cyclotron Rd, Berkeley CA 94720, USAJ. MosherDepartment of Physics and Astronomy, University of Pennsylvania, 209 South 33rd Street, Philadelphia PA 19104, USAD. HardinLPNHE, CNRS/IN2P3, Université Pierre et Marie Curie Paris 6, Université Denis Diderot Paris 7, 4 place Jussieu, 75252 Paris Cedex 05, FranceRahul BiswasArgonne National Laboratory, 9700 South Cass Avenue, Lemont IL 60439, USAP. AstierLPNHE, CNRS/IN2P3, Université Pierre et Marie Curie Paris 6, Université Denis Diderot Paris 7, 4 place Jussieu, 75252 Paris Cedex 05, FranceP. El-HageLPNHE, CNRS/IN2P3, Université Pierre et Marie Curie Paris 6, Université Denis Diderot Paris 7, 4 place Jussieu, 75252 Paris Cedex 05, FranceMichael KönigSorbonne UniversitéS. E. KuhlmannArgonne National Laboratory, 9700 South Cass Avenue, Lemont IL 60439, USAJ. MarrinerCenter for Particle Astrophysics, Fermi National Accelerator Laboratory, PO Box 500, Batavia IL 60510, USAR. PainLPNHE, CNRS/IN2P3, Université Pierre et Marie Curie Paris 6, Université Denis Diderot Paris 7, 4 place Jussieu, 75252 Paris Cedex 05, FranceN. RegnaultLPNHE, CNRS/IN2P3, Université Pierre et Marie Curie Paris 6, Université Denis Diderot Paris 7, 4 place Jussieu, 75252 Paris Cedex 05, FranceC. BallandLPNHE, CNRS/IN2P3, Université Pierre et Marie Curie Paris 6, Université Denis Diderot Paris 7, 4 place Jussieu, 75252 Paris Cedex 05, FranceBruce A. BassettAfrican Institute for Mathematical Sciences, 6-8 Melrose Road, Muizenberg, Cape Town, South AfricaPeter J. BrownGeorge P. and Cynthia Woods Mitchell Institute for Fundamental Physics and Astronomy, and Department of Physics and Astronomy, Texas A & M University, College Station TX 77843-4242, USAH. CampbellInstitute of Astronomy, Madingley Road, Cambridge CB4 0HA, UKR. G. CarlbergDepartment of Astronomy and Astrophysics, University of Toronto, 50 St. George Street, Toronto ON M5S 3H4, CanadaF. Cellier-HolzemLPNHE, CNRS/IN2P3, Université Pierre et Marie Curie Paris 6, Université Denis Diderot Paris 7, 4 place Jussieu, 75252 Paris Cedex 05, FranceD. CinabroDepartment of Physics and Astronomy, Wayne State University, Detroit MI 48202, USAA. ConleyCenter for Astrophysics andSpace Astronomy 389-UCB, University of Colorado, Boulder CO 80309, USAC. B. D’AndreaInstitute of Cosmology & Gravitation, University of Portsmouth, Portsmouth PO1 3FX, UKD. L. DePoyGeorge P. and Cynthia Woods Mitchell Institute for Fundamental Physics and Astronomy, and Department of Physics and Astronomy, Texas A & M University, College Station TX 77843-4242, USAMamoru DoiInstitute of Astronomy, Graduate Shool of Science, The Univ. of Tokyo, 2-21-1 Osawa, 181-0015 Mitaka, JapanRichard S. EllisDepartment of Astrophysics, California Institute of Technology, MS 249-17, Pasadena CA 91125, USAS. FabbroDepartment of Physics and Astronomy, University of Victoria, PO Box 3055 STN CSC, Victoria BC V8T 1M8, CanadaA. V. FilippenkoUniversity of California, Berkeley CA 94720, USAR. J. FoleyAstronomy Department, University of Illinois at Urbana-Champaign, 1002 W. Green Street, Urbana IL 61801, USAJ. FriemanCenter for Particle Astrophysics, Fermi National Accelerator Laboratory, PO Box 500, Batavia IL 60510, USAD. FouchezCPPM, Aix-Marseille Universit, CNRS/IN2P3, Marseille, FranceL. GalbanyDepartamento de Astronomía, Universidad de Chile, Casilla 36-D, Santiago, ChileA. GoobarThe Oskar Klein Centre, Department of Physics, Stockholm University, AlbaNova, 10691 Stockholm, SwedenR. GuptaArgonne National Laboratory, 9700 South Cass Avenue, Lemont IL 60439, USAGary J. HillMcDonald Observatory, University of Texas at Austin, 2515 Speedway, Stop C1402, Austin TX 78712-1206, USARenée HložekDepartment of Astrophysical Sciences, Princeton University Peyton Hall, 4 Ivy Lane, Princeton NJ 08544, USACraig J. HoganCenter for Particle Astrophysics, Fermi National Accelerator Laboratory, PO Box 500, Batavia IL 60510, USAI. HookDepartment of Physics (Astrophysics), University of Oxford, Denys Wilkinson Building, Keble Road, Oxford OX1 3RH, UKD. A. HowellDepartment of Physics, University of California, Santa Barbara, Broida Hall, Mail Code 9530, Santa Barbara CA 93106-9530, USASaurabh W. JhaDepartment of Physics and Astronomy, Rutgers, The State University of New Jersey, Piscataway NJ 08854, USAL. Le GuillouLPNHE, CNRS/IN2P3, Université Pierre et Marie Curie Paris 6, Université Denis Diderot Paris 7, 4 place Jussieu, 75252 Paris Cedex 05, FranceG. LeloudasDark Cosmology Centre, Niels Bohr Institute, University of Copenhagen, Juliane Maries Vej 30, 2100 Copenhagen, DenmarkC. LidmanAustralian Astronomical Observatory, PO Box 915, North Ryde, NSW 1670, AustraliaJ. L. MarshallGeorge P. and Cynthia Woods Mitchell Institute for Fundamental Physics and Astronomy, and Department of Physics and Astronomy, Texas A & M University, College Station TX 77843-4242, USAA. MöllerCEA, Centre de Saclay, Irfu/SPP, 91191 Gif-sur-Yvette, FranceA. MourãoCENTRA – Centro Multidisciplinar de Astrofísica and Dep. Física, Instituto Superior Técnico, Universidade de Lisboa, PortugalJ. NeveuCEA, Centre de Saclay, Irfu/SPP, 91191 Gif-sur-Yvette, FranceR. C. NicholInstitute of Cosmology & Gravitation, University of Portsmouth, Portsmouth PO1 3FX, UKMatthew D. OlmsteadDepartment of Physics and Astronomy, University of Utah, Salt Lake City UT 84112, USAN. Palanque‐DelabrouilleCEA, Centre de Saclay, Irfu/SPP, 91191 Gif-sur-Yvette, FranceS. PerlmutterLBNL, 1 Cyclotron Rd, Berkeley CA 94720, USAJ. L. PrietoGeorge P. and Cynthia Woods Mitchell Institute for Fundamental Physics and Astronomy, and Department of Physics and Astronomy, Texas A & M University, College Station TX 77843-4242, USAC. J. PritchetDepartment of Physics and Astronomy, University of Victoria, PO Box 3055 STN CSC, Victoria BC V8T 1M8, CanadaM. RichmondSchool of Physics and Astronomy, Rochester Institute of Technology, Rochester NY 14623, USAAdam G. RiessDepartment of Physics and Astronomy, Johns Hopkins University, Baltimore MD 21218, USAV. Ruhlmann-KleiderCEA, Centre de Saclay, Irfu/SPP, 91191 Gif-sur-Yvette, FranceM. ŠakoDepartment of Physics and Astronomy, University of Pennsylvania, 209 South 33rd Street, Philadelphia PA 19104, USAK. SchahmanècheLPNHE, CNRS/IN2P3, Université Pierre et Marie Curie Paris 6, Université Denis Diderot Paris 7, 4 place Jussieu, 75252 Paris Cedex 05, FranceDonald P. SchneiderDepartment of Astronomy and Astrophysics and the Institute for Gravitation and the Cosmos, The Pennsylvania State University, University Park PA 16802, USAM. SmithDepartment of Physics, University of the Western Cape, 7535 Cape Town, South AfricaJ. SollermanThe Oskar Klein Centre, Department of Astronomy, AlbaNova, 106 91 Stockholm, SwedenM. SullivanSchool of Physics and Astronomy, University of Southampton, Southampton, SO17 1BJ, UKN. A. WaltonInstitute of Astronomy, Madingley Road, Cambridge CB4 0HA, UKC. WheelerDepartment of Astronomy, University of Texas at Austin, Austin TX 78712, USA
2014en
ABI
Аннотация
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.
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