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The Sunyaev-Zel’dovich Effect

A Galaxy Cluster Survey Using the Sunyaev Zel’dovich Effect

A Galaxy Cluster Survey Using the Sunyaev Zel’dovich Effect

... quencies that are desired enter the feedhorns and are absorbed by the bolometers. Bolocam was optimized to observe the Sunyaev-Zel’dovich effect (SZE). Three band- passes were designed, at the decrement, ...

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Spectral imaging of X-COP galaxy clusters with the Sunyaev–Zel’dovich effect

Spectral imaging of X-COP galaxy clusters with the Sunyaev–Zel’dovich effect

... 2 Sapienza Università di Roma, Piazzale Aldo Moro 5, I-00085 Roma, Italy Abstract. The Sunyaev–Zel’dovich effect is the ideal probe for investigating the outskirts of galaxy clusters. To map this signal, we ...

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Confirmation of NIKA2 investigation of the Sunyaev-Zel’dovich effect by using synthetic clusters of galaxies

Confirmation of NIKA2 investigation of the Sunyaev-Zel’dovich effect by using synthetic clusters of galaxies

... the Sunyaev- Zel’dovich effect by using synthetic clusters of galaxies Marco De Petris 1, ∗ , Florian Ruppin 2 , Federico Sembolini 1,3,4 , Remí Adam 5 , Anna Silvia Baldi 1,6 , Giammarco Cialone 1 , ...

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Kinetic Sunyaev-Zel'dovich effect in modified gravity

Kinetic Sunyaev-Zel'dovich effect in modified gravity

... 3 Institute Lorentz, Leiden University, P.O. Box 9506, Leiden 2300 RA, Netherlands (Received 4 November 2015; published 7 March 2016) We investigate the impact of modified theories of gravity on the kinetic ...

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Testing Modified Gravity with the Sunyaev Zel'dovich Effect

Testing Modified Gravity with the Sunyaev Zel'dovich Effect

... take effect because the energy density is large enough during the ...chameleon effect, and of forming cluster itself being a subcluster of a larger sized over/underdensity, which enhances/diminishes the ...

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A search for galaxy clusters using the Sunyaev-Zel'dovich effect

A search for galaxy clusters using the Sunyaev-Zel'dovich effect

... thermal effect by maximizing the SZ signal to the total estimated noise contribution as a function of band center and ...kinetic effect (which has the same spectrum as primary CMB anisotropies) while ...

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Mass calibration of the Sunyaev-Zel'dovich effect using APEX-SZ galaxy clusters

Mass calibration of the Sunyaev-Zel'dovich effect using APEX-SZ galaxy clusters

... In this context, we focus on a simplified model for the SPT-3G 2500 deg 2 survey. We take a fixed detection threshold of Y SZ,lim = 0.88 × 10 −5 Mpc 2 , chosen to match the predicted SPT-3G number counts (5000 clusters) ...

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High Resolution Measurements of the Sunyaev-Zel'dovich Effect in Galaxy Clusters at 90 GHz

High Resolution Measurements of the Sunyaev-Zel'dovich Effect in Galaxy Clusters at 90 GHz

... “train-wreck”, disturbed, and cool core, respectively. With MUSTANG-1.5 we can measure pressure profiles, detect shocks, and characterize substructure in the ICM in each of these complex systems. With 64 detectors a 13 ...

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Merger-induced scatter and bias in the cluster mass–Sunyaev–Zel’dovich effect scaling relation

Merger-induced scatter and bias in the cluster mass–Sunyaev–Zel’dovich effect scaling relation

... Shaw et al. 2008; Yang, Bhattacharya & Ricker 2010; Becker & Kravtsov 2011; Fabjan et al. 2011). In this work, we focus on the effect of merging events on the SZ signal of a galaxy cluster. As clusters form ...

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Studying galaxy clusters through X-rays and the Sunyaev-Zel’dovich effect : simulations, detection and characterisation

Studying galaxy clusters through X-rays and the Sunyaev-Zel’dovich effect : simulations, detection and characterisation

... thermal Sunyaev-Zel’dovich (tSZ) e ffect is highly sensit- ive to cosmological parameters such as σ 8 and Ω m , but its use as a precision cosmological probe is hindered by the astrophysical uncertainties in ...

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Galaxy Clusters Discovered via the Sunyaev-Zel'dovich Effect in the 2500-Square-Degree SPT-SZ Survey

Galaxy Clusters Discovered via the Sunyaev-Zel'dovich Effect in the 2500-Square-Degree SPT-SZ Survey

... In this section, we describe our model for the optical and NIR properties of red- sequence galaxies, the process by which we identify excesses of such galaxies at candidate locations, an[r] ...

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Gupta, Nikhel
  

(2018):


	High frequency cluster radio galaxies and the Sunyaev-Zel’dovich Effect properties of galaxy clusters.


Dissertation, LMU München: Fakultät für Physik

Gupta, Nikhel (2018): High frequency cluster radio galaxies and the Sunyaev-Zel’dovich Effect properties of galaxy clusters. Dissertation, LMU München: Fakultät für Physik

... space has been explored in studies of the cluster pressure profile. We compare our best fit pressure profile and the measured variance among profiles as a function of radius to observed [r] ...

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Expectations for an interferometric Sunyaev Zeldovich effect survey for galaxy clusters

Expectations for an interferometric Sunyaev Zeldovich effect survey for galaxy clusters

... Subject headings: cosmology:theory — galaxies: clusters: general — large-scale structure of universe 1. INTRODUCTION The evolution of the cluster abundance is a sensitive probe of the mass density Ω m (e.g., Viana and ...

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NIKA: a mm camera for Sunyaev-Zel’dovich science in clusters of galaxies

NIKA: a mm camera for Sunyaev-Zel’dovich science in clusters of galaxies

... 5 Conclusions The NIKA camera was demonstrated to be an excellent instrument for the study of clusters of galaxies via the Sunyaev-Zel’dovich effect. Among others, NIKA has permitted the detailed ...

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Constraining Cosmological Parameters using Sunyaev-Zel'dovich cluster surveys

Constraining Cosmological Parameters using Sunyaev-Zel'dovich cluster surveys

... their Sunyaev-Zel’dovich effect can be computed as a function of the observed flux and redshift taking into account observational effects due to a finite beam ...that Sunyaev-Zel’dovich cluster ...

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Optical and Sunyaev-Zel'dovich observations of a new sample of distant rich galaxy clusters in the ROSAT All Sky

Optical and Sunyaev-Zel'dovich observations of a new sample of distant rich galaxy clusters in the ROSAT All Sky

... the Sunyaev–Zel’dovich effect signature. The Sunyaev–Zel’dovich signal allows us to estimate M 200 and check for tension with the cosmological standard ...

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Statistical properties of thermal Sunyaev–Zel'dovich maps

Statistical properties of thermal Sunyaev–Zel'dovich maps

... thermal Sunyaev–Zel’dovich (tSZ) ...the Sunyaev–Zel’dovich maps, using well-motivated models for dark matter clustering to construct statistical descriptions of the tSZ effect to all orders enabling ...

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Sunyaev Zel’dovich Observations Using Large Format Millimeter Arrays

Sunyaev Zel’dovich Observations Using Large Format Millimeter Arrays

... SZ effect null and so provides a unique opportunity to measure the transi- tional frequencies where the tSZ effect passes from a decrement to an increment in surface brightness with high spectral res- ...

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The redshift evolution of X-ray and Sunyaev-Zel'dovich scaling relations in the FABLE simulations

The redshift evolution of X-ray and Sunyaev-Zel'dovich scaling relations in the FABLE simulations

... this effect we have repeated our analyses fitting to the median relation in bins of width ...the effect is similar to, or smaller than, switch- ing from the fiducial sample to the sample of haloes with M ...

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Constraining f(R) gravity with Sunyaev-Zel'dovich clusters detected by the Planck satellite

Constraining f(R) gravity with Sunyaev-Zel'dovich clusters detected by the Planck satellite

... In our analysis we also considered stability of the final results. We implemented the corrections on the MF induced by baryons and, more specifically, the effect of stars formation and AGN feedback in hydrodynamic ...

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