Galaxy clusters as probes for cosmology and dark matter

Elia S. Battistelli, Carlo Burigana, Paolo De Bernardis, Alexander A. Kirillov, Gastao B. Lima Neto, Silvia Masi, Hans U. Nørgaard-Nielsen, Peter Ostermann, Matthieu Roman, Piero Rosati, Mariachiara Rossetti

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    Abstract

    In recent years, significant progress has been made in building new galaxy clusters samples, at low and high redshifts, from wide-area surveys, particularly exploiting the Sunyaev-Zel'dovich (SZ) effect. A large effort is underway to identify and characterize these new systems with optical/NIR and X-ray facilities, thus opening new avenues to constraint cosmological models using structure growth and geometrical tests. A census of galaxy clusters sets constraints on reionization mechanisms and epochs, which need to be reconciled with recent limits on the reionization optical depth from cosmic microwave background (CMB) experiments. Future advances in SZ effect measurements will include the possibility to (unambiguously) measure directly the kinematic SZ effect, to build an even larger catalogue of galaxy clusters able to study the high redshift universe, and to make (spatially-)resolved galaxy cluster maps with even spectral capability to (spectrally-)resolve the relativistic corrections of the SZ effect.
    Original languageEnglish
    Title of host publicationProceedings of the MG14 Meeting on General Relativity
    EditorsMassimo Bianchi, Robert T. Jantzen, Remo Ruffini
    PublisherWorld Scientific
    Publication date2017
    Pages576-601
    ISBN (Electronic)9789813226593
    DOIs
    Publication statusPublished - 2017
    Event14th Marcel Grossman Meeting On Recent Developments in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories - Rome, Italy
    Duration: 12 Jul 201518 Jul 2015
    Conference number: 14

    Conference

    Conference14th Marcel Grossman Meeting On Recent Developments in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories
    Number14
    Country/TerritoryItaly
    CityRome
    Period12/07/201518/07/2015

    Bibliographical note

    This is an Open Access proceedings volume published by World Scientific Publishing Company. It is distributed under the terms of the Creative Commons Attribution 4.0. (CC-BY) License. Further distribution of this work is permitted, provided the original work is properly cited.

    Keywords

    • Background radiations
    • Cosmology
    • Dark energy
    • Dark matter
    • Galaxy clusters
    • Intracluster matter
    • Large scale structure of the universe
    • Microwave
    • Observational cosmology
    • Radio

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