Galaxy clusters as probes for cosmology and dark matter

Date Issued
2018
Author(s)
Battistelli, Elia S.
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Kirillov, Alexander A.
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Neto, Gastao B. Lima
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Norgaard-Nielsen, Hans U.
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Ostermann, Peter
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Roman, Matthieu
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DOI
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.
Coverage
The Fourteenth Marcel Grossmann Meeting On Recent Developments in Theoretical and Experimental General Relativity, Astrophysics, and Relativistic Field Theories : Proceedings of the MG14 Meeting on General Relativity
All editors
Bianchi, Massimo; Jantzen, Robert T.; Ruffini, Remo
Start page
576
Conferenece
14th Marcel Grossman Meeting on General Relativity
Conferenece place
Rome, Italy
Conferenece date
12-18 July, 2015
Uri
Url
Ads BibCode
2018mgm..conf..576B
Rights
open.access
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