COSMOLOGICAL CONSTRAINTS FROM GALAXY CLUSTERS IN THE 2500 SQUARE-DEGREE SPT-SZ SURVEY
T. de HaanDepartment of Physics,McGill University, Montreal, Quebec H3A 2T8, CanadaB. A. BensonFermi National Accelerator Laboratory, Batavia, IL 60510-0500, USAL. E. BleemDepartment of Physics, University of Chicago, Chicago, IL 60637, USAS. W. AllenSLAC National Accelerator Laboratory, 2575 Sand Hill Road, Menlo Park, CA 94025, USADouglas ApplegateArgelander-Institut für Astronomie, Auf dem Hügel 71, D-53121 Bonn, GermanyM. L. N. AshbyHarvard-Smithsonian Center for Astrophysics, Cambridge, MA 02138, USAM. W. BautzKavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USAMatthew BaylissHarvard-Smithsonian Center for Astrophysics, Cambridge, MA 02138, USAS. BocquetExcellence Cluster universe, Boltzmannstr. 2, D-85748 Garching, GermanyM. BrodwinDepartment of Physics and Astronomy, University of Missouri, 5110 Rockhill Road, Kansas City, MO 64110, USAJ. E. CarlstromArgonne National Laboratory, Argonne, IL 60439, USAC. L. ChangArgonne National Laboratory, Argonne, IL 60439, USAI-Non ChiuExcellence Cluster universe, Boltzmannstr. 2, D-85748 Garching, GermanyH-M. ChoNIST Quantum Devices Group, Boulder, CO 80305, USAA. ClocchiattiDepartamento de Astronomia y Astrosifica, Pontificia Universidad Catolica, ChileT. M. CrawfordKavli Institute for Cosmological Physics, University of Chicago, Chicago, IL 60637, USAA. T. CritesKavli Institute for Cosmological Physics, University of Chicago, Chicago, IL 60637, USAS. DesaiFaculty of Physics, Ludwig-Maximilians-Universität, Scheinerstr. 1, D-81679 Munich, GermanyJ. P. DietrichFaculty of Physics, Ludwig-Maximilians-Universität, Scheinerstr. 1, D-81679 Munich, GermanyM. DobbsDepartment of Physics,McGill University, Montreal, Quebec H3A 2T8, CanadaA. N. DoucouliagosSchool of Physics, University of Melbourne, Parkville, VIC 3010, AustraliaR. J. FoleyAstronomy Department, University of Illinois at Urbana-Champaign, 1002 W. Green Street, Urbana, IL 61801, USAW. FormanHarvard-Smithsonian Center for Astrophysics, Cambridge, MA 02138, USAG. P. GarmireHuntingdon Institute for X-ray Astronomy, LLC, Huntingdon, PA 16652, USAE. M. GeorgeDepartment of Physics, University of California, Berkeley, CA 94720, USAMichael D. GladdersKavli Institute for Cosmological Physics, University of Chicago, Chicago, IL 60637, USAAnthony H. GonzalezDepartment of Astronomy, University of Florida, Gainesville, FL 32611, USAN. GuptaFaculty of Physics, Ludwig-Maximilians-Universität, Scheinerstr. 1, D-81679 Munich, GermanyN. W. HalversonDepartment of Astrophysical and Planetary Sciences and Department of Physics, University of Colorado, Boulder, CO 80309, USAJulie Hlavacek-LarrondoDepartment of Physics, Université de Montréal, Montrea, Quebec H3T 1J4, CanadaHenk HoekstraLeiden Observatory, Leiden University, Niels Bohrweg 2, 2333 CA, Leiden, The NetherlandsG. P. HolderDepartment of Physics,McGill University, Montreal, Quebec H3A 2T8, CanadaW. L. HolzapfelDepartment of Physics, University of California, Berkeley, CA 94720, USAZ. HouDepartment of Physics, University of Chicago, Chicago, IL 60637, USAJ. D. HrubesUniversity of Chicago, Chicago, IL 60637, USAN. HuangDepartment of Physics, University of California, Berkeley, CA 94720, USAC. JonesHarvard-Smithsonian Center for Astrophysics, Cambridge, MA 02138, USAR. KeislerDepartment of Physics, University of Chicago, Chicago, IL 60637, USAL. KnoxDepartment of Physics, University of California, Davis, CA 95616, USAA. T. LeePhysics Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USAE. M. LeitchKavli Institute for Cosmological Physics, University of Chicago, Chicago, IL 60637, USAAnja von der LindenKavli Institute for Particle Astrophysics and Cosmology, Stanford University, 452 Lomita Mall, Stanford, CA 94305, USAD. Luong-VanUniversity of Chicago, Chicago, IL 60637, USAA. MantzKavli Institute for Cosmological Physics, University of Chicago, Chicago, IL 60637, USADaniel P. MarroneSteward Observatory, University of Arizona, 933 North Cherry Avenue, Tucson, AZ 85721, USAM. McDonaldKavli Institute for Astrophysics and Space Research, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139, USAJ. J. McMahonDepartment of Physics, University of Michigan, Ann Arbor, MI 48109, USAS. S. MeyerDepartment of Physics, University of Chicago, Chicago, IL 60637, USAL. M. MocanuKavli Institute for Cosmological Physics, University of Chicago, Chicago, IL 60637, USAJ. J. MohrMax Planck Institute for Extraterrestrial Physics, Giessenbachstr. 1, D-85748 Garching, GermanyS. S. MurrayHarvard-Smithsonian Center for Astrophysics, Cambridge, MA 02138, USAS. PadinKavli Institute for Cosmological Physics, University of Chicago, Chicago, IL 60637, USAC. PrykeDepartment of Physics, University of Minnesota, Minneapolis, MN 55455, USADavid RapettiExcellence Cluster universe, Boltzmannstr. 2, D-85748 Garching, GermanyC. L. ReichardtSchool of Physics, University of Melbourne, Parkville, VIC 3010, AustraliaA. RestSpace Telescope Science Institute, 3700 San Martin Dr., Baltimore, MD 21218, USAJ. RuelDepartment of Physics, Harvard University, 17 Oxford Street, Cambridge, MA 02138, USAJ. E. RuhlPhysics Department, Center for Education and Research in Cosmology and Astrophysics, Case Western Reserve University, Cleveland, OH 44106, USAB. R. SaliwanchikPhysics Department, Center for Education and Research in Cosmology and Astrophysics, Case Western Reserve University, Cleveland, OH 44106, USAA. SaroFaculty of Physics, Ludwig-Maximilians-Universität, Scheinerstr. 1, D-81679 Munich, GermanyJ. T. SayreDepartment of Astrophysical and Planetary Sciences and Department of Physics, University of Colorado, Boulder, CO 80309, USAK. K. SchafferEnrico Fermi Institute, University of Chicago, Chicago, IL 60637, USAT. SchrabbackArgelander-Institut für Astronomie, Auf dem Hügel 71, D-53121 Bonn, GermanyE. ShirokoffKavli Institute for Cosmological Physics, University of Chicago, Chicago, IL 60637, USAJie SongDepartment of Physics, University of Michigan, Ann Arbor, MI 48109, USAH. G. SpielerPhysics Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USAB. StalderHarvard-Smithsonian Center for Astrophysics, Cambridge, MA 02138, USAS. A. StanfordInstitute of Geophysics and Planetary Physics, Lawrence Livermore National Laboratory, Livermore, CA 94551, USAZ. StaniszewskiPhysics Department, Center for Education and Research in Cosmology and Astrophysics, Case Western Reserve University, Cleveland, OH 44106, USAA. A. StarkHarvard-Smithsonian Center for Astrophysics, Cambridge, MA 02138, USAK. T. StoryKavli Institute for Particle Astrophysics and Cosmology, Stanford University, 452 Lomita Mall, Stanford, CA 94305, USAC. W. StubbsDepartment of Physics, Harvard University, 17 Oxford Street, Cambridge, MA 02138, USAK. VanderlindeDunlap Institute for Astronomy & Astrophysics, University of Toronto, 50 St George St, Toronto, ON, M5S 3H4, CanadaJ. D. VieiraAstronomy Department, University of Illinois at Urbana-Champaign, 1002 W. Green Street, Urbana, IL 61801, USAA. VikhlininHarvard-Smithsonian Center for Astrophysics, Cambridge, MA 02138, USAR. WilliamsonKavli Institute for Cosmological Physics, University of Chicago, Chicago, IL 60637, USAA. ZentenoCerro Tololo Inter-American Observatory, Casilla 603, La Serena, Chile
2016en
ABI
Аннотация
ABSTRACT We present cosmological parameter constraints obtained from galaxy clusters identified by their Sunyaev–Zel’dovich effect signature in the 2500 square-degree South Pole Telescope Sunyaev Zel’dovich (SPT-SZ) survey. We consider the 377 cluster candidates identified at with a detection significance greater than five, corresponding to the 95% purity threshold for the survey. We compute constraints on cosmological models using the measured cluster abundance as a function of mass and redshift. We include additional constraints from multi-wavelength observations, including Chandra X-ray data for 82 clusters and a weak lensing-based prior on the normalization of the mass-observable scaling relations. Assuming a spatially flat ΛCDM cosmology, we combine the cluster data with a prior on H 0 and find and , with the parameter combination . These results are in good agreement with constraints from the cosmic microwave background (CMB) from SPT, WMAP , and Planck , as well as with constraints from other cluster data sets. We also consider several extensions to ΛCDM, including models in which the equation of state of dark energy w , the species-summed neutrino mass, and/or the effective number of relativistic species ( ) are free parameters. When combined with constraints from the Planck CMB, H 0 , baryon acoustic oscillation, and SNe, adding the SPT cluster data improves the w constraint by 14%, to .
Перевод пока недоступен
Идентификаторы
Цитирования и источники
Цитирований: 2Использованных источников: 0