Cosmological Parameters from Observations of Galaxy Clusters

By S. Allen, August E. Evrard, A. Mantz. 2011

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Studies of galaxy clusters have proved crucial in helping to establish the standard model of cosmology, with a Universe dominated by dark matter and dark energy. A theoretical basis that describes clusters as massive, multicomponent, quasi-equilibrium systems is growing in its capability to interpret multiwavelength observations of expanding scope and sensitivity. We review current cosmological results, including contributions to fundamental physics, obtained from observations of galaxy clusters. These results are consistent with and complementary to those from other methods. We highlight several areas of opportunity for the next few years, and emphasize the need for accurate modeling of survey selection and sources of systematic error. Capitalizing on these opportunities will require a multiwavelength approach and the application of rigorous statistical frameworks, utilizing the combined strengths of observers, simulators, and theorists.

Subfields: Astronomy and Astrophysics, Instrumentation

View Paper: https://www.semanticscholar.org/paper/b174b10a52ed3f1810af829971955ce9b8e1714b

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Citations in the corpus

The XMM Cluster Survey:Optical analysis methodology and the first data release (2011, background): “Clusters of galaxies provide an opportunity to explore the underlying cosmological model and the processes governing structure formation (see Voit 2005; Allen et al. 2011 for reviews) and so several large-area surveys for clusters are currently underway.”
Weighing the giants – IV. Cosmology and neutrino mass (2014, methodology): “Exploiting this degeneracy, constraints on σ8 from clusters can be used in conjunction with CMB data (and other cosmological probes) to place limits on ∑ mν that are considerably stronger than current laboratory experiments (e.g. Allen et al. 2011).”
THE REDMAPPER GALAXY CLUSTER CATALOG FROM DES SCIENCE VERIFICATION DATA (2016, background): “…and are uniquely powerful cosmological probes (e.g., Henry et al. 2009; Vikhlinin et al. 2009; Mantz et al. 2010; Rozo et al. 2010; Clerc et al. 2012; Benson et al. 2013; Hasselfield et al. 2013; Planck Collaboration et al. 2014) (see also reviews in Allen et al. (2011); Weinberg et al. (2013)).”
The realm of the galaxy protoclusters (2016, background): “…of this review The study of galaxy clusters goes back almost a century, and there exist many excellent reviews on galaxy clusters (e.g., Bahcall, 1977; Dressler, 1984; Norman, 2007; Allen et al., 2011; Rosati et al., 2002; Kravtsov & Borgani, 2012; Vikhlinin et al., 2014; Bykov et al., 2015).”
Modified Gravity and Cosmology (2011, background): “The presence of massive clusters at high redshift point accelerating expansion out to redshift z ' 2 [32].”
The SRG/eROSITA all-sky survey (2024, neutral): “…and growth history of the cosmos, and therefore prime cosmological tools (Bahcall 1977; Cavaliere & Fusco-Femiano 1978; Sarazin 1986; Rosati et al. 2002; Voit 2005; Arnaud 2005; Norman 2005; Borgani 2008; Vikhlinin et al. 2009; Borgani & Kravtsov 2011; Allen et al. 2011; Reiprich et al. 2013).”
NINE-YEAR WILKINSON MICROWAVE ANISOTROPY PROBE (WMAP) OBSERVATIONS: COSMOLOGICAL PARAMETER RESULTS (2012, background): “Cluster Observations Clusters are rare, high-mass peaks in the density field, hence their number counts provide an important probe of the matter fluctuation amplitude and, in turn, cosmology (see Allen et al. (2011) for a recent review).”
GALAXY CLUSTERS DISCOVERED VIA THE SUNYAEV–ZEL'DOVICH EFFECT IN THE 2500-SQUARE-DEGREE SPT-SZ SURVEY (2014, background): “Galaxy clusters are the largest collapsed objects in the universe, and their abundance is exponentially sensitive to the conditions and processes that govern the cosmological growth of structure (see Allen et al. 2011, and references therein).”
JOINT ANALYSIS OF CLUSTER OBSERVATIONS. II. CHANDRA/XMM-NEWTON X-RAY AND WEAK LENSING SCALING RELATIONS FOR A SAMPLE OF 50 RICH CLUSTERS OF GALAXIES (2012, background): “More recently, the gas mass Mg has also emerged as a mass proxy with similar predictive power to YX (Okabe et al. 2010; Allen et al. 2011).”
Weighing the Giants – III. Methods and measurements of accurate galaxy cluster weak-lensing masses (2012, background): “With respect to the X-ray to lensing-mass ratio, our analysis is ‘blind’ (see the discussion in Allen et al. 2011).”
Observational probes of cosmic acceleration (2012, background): “The excellent review by Allen et al. (2011) discusses other cosmological applications of clusters and examines recent cluster abundance results in detail (see also the earlier review by Voit 2005); we summarize recent work in §6.2 but devote most of our attention to methods for Stage III and Stage…”
The first and second data releases of the Kilo-Degree Survey (2015, background): “The evolution of the number density of massive galaxy clusters is an important cosmological probe (e.g. Allen et al. 2011), particularly at high redshifts (z > 0.5).”
GALAXY CLUSTERS DISCOVERED VIA THE SUNYAEV–ZEL’DOVICH EFFECT IN THE FIRST 720 SQUARE DEGREES OF THE SOUTH POLE TELESCOPE SURVEY (2012, background): “Clusters of galaxies contain anywhere from tens to thousands of galaxies, but these galaxies account for a small fraction of the total baryonic mass in a cluster (see, e.g, Allen et al. 2011 for a review).”
Masses of Galaxy Clusters from Gravitational Lensing (2013, background): “There is an ongoing effort to use the observed number density of clusters of galaxies as a precision probe of cosmological parameters (see e.g., Allen et al. 2011, for a recent review).”
Weighing the Giants - I. Weak-lensing masses for 51 massive galaxy clusters: project overview, data analysis methods and cluster images (2012, methodology): “…studies have measured individual weak-lensing masses for more than a few clusters, and none have fully incorporated the results into a robust cosmological work, which would require solving simultaneously for the scaling relations and cosmological parameters (Mantz et al. 2010a; Allen et al. 2011).”
THE PSEUDO-EVOLUTION OF HALO MASS (2012, background): “…and are also currently under way (e.g.Benson et al. 2013) to calibrate these scaling relations since they are necessary to obtain cosmological constraints from the observed abundance of clusters and its redshift evolution (e.g.,Vikhlinin et al. 2009a, see Allen et al. 2011for a recent review).”