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We review recent advancements in cosmology with galaxy clusters. Galaxy clusters are the most massive objects in the Universe. Consequently the cluster number density as a function of cluster mass, or cluster abundance, is sensitive to…

Cosmology and Nongalactic Astrophysics · Physics 2025-05-13 Hironao Miyatake

We present a cosmological analysis of the X-ray-selected galaxy cluster sample from the XXL survey, employing a simulation-based inference (SBI) framework to jointly constrain cosmological parameters and X-ray scaling relations through…

The abundances of groups and clusters of galaxies are expected to have changed substantially since high redshift, with the strength of this evolution dependent upon fundamental cosmological parameters. Upcoming large redshift surveys of…

Astrophysics · Physics 2009-11-07 Jeffrey A. Newman , Christian Marinoni , Alison L. Coil , Marc Davis

We explore the utility of future photometric redshift imaging surveys for delineating the large-scale structure of the Universe, and assess the resulting constraints on the cosmological model. We perform two complementary types of analysis:…

Astrophysics · Physics 2009-11-10 Chris Blake , Sarah Bridle

We measure the clustering of DES Year 1 galaxies that are intended to be combined with weak lensing samples in order to produce precise cosmological constraints from the joint analysis of large-scale structure and lensing correlations.…

Cosmology and Nongalactic Astrophysics · Physics 2018-09-12 J. Elvin-Poole , M. Crocce , A. J. Ross , T. Giannantonio , E. Rozo , E. S. Rykoff , S. Avila , N. Banik , J. Blazek , S. L. Bridle , R. Cawthon , A. Drlica-Wagner , O. Friedrich , N. Kokron , E. Krause , N. MacCrann , J. Prat , C. Sanchez , L. F. Secco , I. Sevilla-Noarbe , M. A. Troxel , T. M. C. Abbott , F. B. Abdalla , S. Allam , J. Annis , J. Asorey , K. Bechtol , M. R. Becker , A. Benoit-Levy , G. M. Bernstein , E. Bertin , D. Brooks , E. Buckley-Geer , D. L. Burke , A. Carnero Rosell , D. Carollo , M. Carrasco Kind , J. Carretero , F. J. Castander , C. E. Cunha , C. B. DAndrea , L. N. da Costa , T. M. Davis , C. Davis , S. Desai , H. T. Diehl , J. P. Dietrich , S. Dodelson , P. Doel , T. F. Eifler , A. E. Evrard , E. Fernandez , B. Flaugher , P. Fosalba , J. Frieman , J. Garcia-Bellido , E. Gaztanaga , D. W. Gerdes , K. Glazebrook , D. Gruen , R. A. Gruendl , J. Gschwend , G. Gutierrez , W. G. Hartley , S. R. Hinton , K. Honscheid , J. K. Hoormann , B. Jain , D. J. James , M. Jarvis , T. Jeltema , M. W. G. Johnson , M. D. Johnson , A. King , K. Kuehn , S. Kuhlmann , N. Kuropatkin , O. Lahav , G. Lewis , T. S. Li , C. Lidman , M. Lima , H. Lin , E. Macaulay , M. March , J. L. Marshall , P. Martini , P. Melchior , F. Menanteau , R. Miquel , J. J. Mohr , A. Moller , R. C. Nichol , B. Nord , C. R. ONeill , W. J. Percival , D. Petravick , A. A. Plazas , A. K. Romer , M. Sako , E. Sanchez , V. Scarpine , R. Schindler , M. Schubnell , E. Sheldon , M. Smith , R. C. Smith , M. Soares-Santos , F. Sobreira , N. E. Sommer , E. Suchyta , M. E. C. Swanson , G. Tarle , D. Thomas , B. E. Tucker , D. L. Tucker , S. A. Uddin , V. Vikram , A. R. Walker , R. H. Wechsler , J. Weller , W. Wester , R. C. Wolf , F. Yuan , B. Zhang , J. Zuntz

We present a method for measuring the masses of galaxy clusters using the imprint of their gravitational lensing signal on the cosmic microwave background (CMB) temperature anisotropies. The method first reconstructs the projected…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-27 Jean-Baptiste Melin , James G. Bartlett

The total mass of a galaxy cluster is one of its most fundamental properties. Together with the redshift, the mass links observation and theory, allowing us to use the cluster population to test models of structure formation and to…

Cosmology and Nongalactic Astrophysics · Physics 2019-03-04 G. W. Pratt , M. Arnaud , A. Biviano , D. Eckert , S. Ettori , D. Nagai , N. Okabe , T. H. Reiprich

We improve upon the cosmological constraints derived from the abundance and weak-lensing data of redMaPPer clusters detected in the Sloan Digital Sky Survey (SDSS). Specifically, we derive gas mass data using Chandra X-ray follow-up of a…

The abundance of clusters of galaxies is known to be a potential source of cosmological constraints through their mass function. In the present work, we examine the information that can be obtained from the temperature distribution function…

Cosmology and Nongalactic Astrophysics · Physics 2017-05-01 Stéphane Ilic , Alain Blanchard , Marian Douspis

The abundance of galaxy clusters is in principle a powerful tool to constrain cosmological parameters, especially $\Omega_\mathrm{m}$ and $\sigma_8$, due to the exponential dependence in the high-mass regime. While the best observables are…

Cosmology and Nongalactic Astrophysics · Physics 2015-10-23 Christian Angrick , Francesco Pace , Matthias Bartelmann , Mauro Roncarelli

The spatial distribution of galaxy clusters is a valuable probe for inferring fundamental cosmological parameters. We measured the clustering properties of dark matter haloes from the \textsc{Pinocchio} simulations, in the redshift range…

The measurement of angular diameter distance to galaxy clusters, through combined Sunyaev-Zel'dovich (SZ) effect data with X-ray emission observations, is now a well-known probe of cosmology. Using a combination of SZ data and a map of the…

Astrophysics · Physics 2009-11-07 Asantha Cooray

We forecast the impact of weak lensing (WL) cluster mass calibration on the cosmological constraints from the X-ray selected galaxy cluster counts in the upcoming eROSITA survey. We employ a prototype cosmology pipeline to analyze mock…

Cosmology and Nongalactic Astrophysics · Physics 2019-07-10 Sebastian Grandis , Joseph J. Mohr , Joerg P. Dietrich , Sebastian Bocquet , Alexandro Saro , Matthias Klein , Maria Paulus , Raffaella Capasso

Following extensive tests on analytical toy-catalogues (paper III), we present the results of a more realistic study over a 711 deg2 template-based cosmological simulation. Dark matter halos from the Aardvark simulation have been ascribed…

Cosmology and Nongalactic Astrophysics · Physics 2018-06-20 A. Valotti , M. Pierre , A. Farahi , A. Evrard , L. Faccioli , J. -L. Sauvageot , N. Clerc , F. Pacaud

The XMM-Newton - Blanco Cosmology Survey project (XMM-BCS) is a coordinated X-ray, optical and mid-infrared cluster survey in a field also covered by Sunyaev-Zel'dovich effect surveys by the South Pole Telescope and the Atacama Cosmology…

The statistics of peaks in weak gravitational lensing maps is a promising technique to constrain cosmological parameters in present and future surveys. Here we investigate its power when using general extreme value statistics which is very…

Cosmology and Nongalactic Astrophysics · Physics 2016-12-12 Robert Reischke , Matteo Maturi , Matthias Bartelmann

The mass of galaxy clusters can be inferred from the temperature of their X-ray emitting gas, $T_{\mathrm{X}}$. Their masses may be underestimated if it is assumed that the gas is in hydrostatic equilibrium, by an amount…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-22 Holger Israel , Gerrit Schellenberger , Jukka Nevalainen , Richard Massey , Thomas Reiprich

Two methods of constraining the properties of dark energy are weak lensing tomography and cluster counting. Uncertainties in mass calibration of clusters can be reduced by using the properties of halo clustering (the clustering of…

Astrophysics · Physics 2008-11-26 Charles Shapiro , Scott Dodelson

The correlation function of galaxy clusters has often been used as a test of cosmological models. A number of assumptions are implicit in the comparison of theoretical expectations to data. Here we use an ensemble of ten large N-body…

Astrophysics · Physics 2015-06-24 Vincent R. Eke , Shaun Cole , Carlos S. Frenk , Julio F. Navarro

Several cosmological measurements have attained significant levels of maturity and accuracy over the last decade. Continuing this trend, future observations promise measurements of the statistics of the cosmic mass distribution at an…

Astrophysics · Physics 2008-11-26 Salman Habib , Katrin Heitmann , David Higdon , Charles Nakhleh , Brian Williams