The Sunyaev-Zel'dovich Effect: Results and Future Prospects J. E.
The Sunyaev-Zel'dovich effect (SZE) provides a powerful tool for cosmological studies. Through recent .... precision with which cluster observations can be used to determine cosmological parameters. .... 3.3 Baryon mass fraction of clusters, ΩM , and Te ...... underway to reduce this uncertainty to the 1% level (2% in Ho).
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The Sunyaev-Zel'dovich Effect: Results and Future Prospects
Mar 28, 2001 ... The Sunyaev-Zel'dovich effect (SZE) provides a powerful tool for cosmological studies. .... precision with which cluster observations can be used to determine cosmological parameters. .... 3.3 Baryon mass fraction of clusters, ΩM , and Te ..... underway to reduce this uncertainty to the 1% level (2% in Ho).
[ 0103480 - Read/Download File
Galaxy Cluster Gas Mass Fractions from Sunyaev-Zel'dovich Effect
Dec 4, 2000 ... Using sensitive centimeter-wave receivers mounted on the Owens Valley Radio ... ments of the Sunyaev-Zel'dovich (SZ) effect toward massive galaxy clusters. We use the SZ data to determine the pressure distribution of the cluster gas and, ... cluster's baryon fraction, fB, should reflect the universal baryon ...
[ 0012067 - Read/Download File
Cosmology with the Sunyaev-Zel'dovich Effect - Annual Reviews
s Abstract The Sunyaev-Zel'dovich effect (SZE) provides a unique way to ... A large ho- ... observed redshift dependence of the gas-mass fraction can also be used to ... SZE surveys therefore offer an ideal tool for determining the cluster- density ...... The ICM contains most of the baryons confined to the cluster potential with ...
[ annurev.astro.40.060401.093803 - Read/Download File
Evidence for the kinematic Sunyaev-Zel'dovich effect with the
Apr 11, 2016 ... effect with the Atacama Cosmology Telescope and ... Cosmology Telescope and velocity reconstruction from the Baryon ... Emmanuel Schaan,1,* Simone Ferraro, 1,2 Mariana Vargas-Magaña,3 Kendrick M. Smith,4 Shirley Ho,5 Simone Aiola,6 .... late times, some fraction of the electrons in galaxies and.
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Templates for the Sunyaev-Zel'dovich Angular Power Spectrum
Jun 16, 2010 ... The Sunyaev-Zel'dovich (SZ) effect imprinted in maps of the cosmic .... In this paper, we use Equation (8) to calculate the total .... normalized by the cosmic baryon fraction Ωb/Ωm. The ..... redshift surveys (e.g. Ho et al. 2009 ...
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Imaging the Sunyaev-Zel'dovich Effect
Gas mass fractions derived from the SZE data are given for 18 of the clusters, as well ... to account for the baryons contained in the galaxies as well as those lost .... For this reason it is desirable to use a large survey of clusters to determine. Ho .
[ 387878_9905255.pdf - Read/Download File
Mass Models and Sunyaev-Zeldovich Effect Predictions for a Flux
May 2, 2000 ... of hydrostatic equilibrium, total masses and baryon mass fractions. ... A measurement of Ho using these models and OVRO SZE determinations will be ... The objective of the Penn/OVRO SZE survey is to determine Ho from ...
[ 404889_9910438.pdf - Read/Download File
The Sunyaev-Zeldovich Effect as a Probe of Black Hole Feedback
Aug 3, 2009 ... the angular power spectrum of the Sunyaev-Zeldovich distortion. ... tortion scales approximately with the black hole mass and accretion rate, with a ... 126.96.36.199 Gas Mass Fraction Measurement . ..... Weiner filtering the maps was one of the key steps for determining the ..... SDSS catalog prepared by Ho et al.
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The Sunyaev-Zel'dovich Effect and the Value of Omega
Jul 26, 2013 ... We consider the Sunyaev-Zel'dovich (SZ) effect as a probe of Ωo: Using a self- consistent modeling of X-ray clus- ters, we examine the ... The problem is that the physics determining this core radius is not well .... dicate baryon fractions fB as large as ∼ 0.05h−3/2 (h ≡. Ho/100km/s/Mpc) (Briel etal. 1992 ...
[ 9511084v1.pdf - Read/Download File
On the ability of the spectroscopic Sunyaev-Zeldovich effect
measurements to determine the temperature structure ... We derive a general formalism for the thermal SZE in galaxy clusters with a non-uniform temperature ... These baryons accumulate in the ... fraction that can be used to constrain the cosmological density ... Sunyaev-Zel'dovich effect (SZE; see Sunyaev & Zel' dovich.
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Mass and Hot Baryons in Massive Galaxy Clusters from Subaru
A2261, A2142, and A2390) using joint AMiBA Sunyaev-Zel'dovich effect (SZE) and Subaru weak lensing ... observations, with the sample-averaged gas fraction of 〈fgas(< r200)〉 = 0.133 .... Ho et al. (2008) describe the design concepts and specifications of the ...... surement, we calculate the weighted average of g+ and g×,.
[ arXiv:0810.0969.pdf?version=1 - Read/Download File
New constraints on H_0 and Omega_M from SZE/X-RAY data and
In this article, by using the Sunyaev-Zeldovich effect and. X-ray surface ... broken by applying a joint analysis involving the baryon acoustic oscillations. (BAO) as ...
[ arXiv:0807.0647.pdf?version=2 - Read/Download File
Finding the Missing Baryons Using CMB as a Backlight
Mar 16, 2009 ... Shirley Ho∗. Department ... signal-to-noise for PLANCK with SDSS-DR4, SDSS3 and ADEPT is 11, 23, and 32. ... The kinetic Sunyaev-Zel'dovich effect [14, hereafter ...... determine not only the gas fraction of the Universe, but.
[ arXiv:0903.2845.pdf?version=1 - Read/Download File
Accurate Realizations of the Ionized Gas in Galaxy Clusters
Jul 1, 2007 ... possible to generate realistic X-ray and Sunyaev-Zel'dovich cluster maps and cat - .... 2006; Ho et al. ... cantly affect gas properties, but with the proper amount— consistent with ..... Fig.4, with fg defined as the fraction of the total mass inside a ... Attempts to determine the cosmic baryon density from clusters.
[ Accurate_Realizations_of_the_Ionized_Gas_in_Galax.pdf?paperid=19906185 - Read/Download File
Galaxy Clusters in Cosmology: Cluster Abundance as a Probe of
Mar 17, 1997 ... clusters in the discussion, and finish with a presentation of the promising new field of Sunyaev–Zel'dovich observations of cluster evolution. .... henceforth refer to the present value of the Hubble constant as h ≡ Ho/100 ... ple to calculate. ..... clusters when considering the baryon fraction over an ensemble of ...
[ 9703090v2.pdf - Read/Download File
The kinetic SZ tomography with spectroscopic redshift surveys
The kinetic Sunyaev Zel'dovich effect (kSZ) effect is a potentially powerful probe to the missing baryons. ... However, only a fraction of this baryon budget has been detected in the local ..... the velocity measurement, as correctly pointed by Ho et al. (2009). ...... Now we numerically calculate the S/N for the combination.
[ 1004.1301v2.pdf - Read/Download File
Constraining the helium abundance with CMB
Oct 13, 2003 ... anisotropies data to determine the primordial helium mass fraction, Yp. We find that CMB ... the baryon density from Planck-quality CMB data. ...... begin to dominate (Sunyaev-Zeldovich effect). ..... L. C. Ho (Cambridge: Cam-.
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Ensemble Properties of Cluster Galaxies and Their Redshift Evolution
Yue Shen, Michael Strauss, Shirley Ho, David Spergel (Princeton),. Chris Hirata ( Caltech) ... mass function, clustering/power spectrum, baryon fraction. – crucial to ... Sunyaev-Zel'dovich effect (SZE) cluster surveys? ... or XMM ⇒ estimate mass using M500. -T. X or M .... for each cluster, calculate N and L for galaxies more.
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Large-scale BAO signatures of the smallest galaxies
Sep 27, 2010 ... We illustrate this effect with the example of 21 cm emission and absorption .... examine the impact on baryonic objects, which likely determine the properties ... Given Mc, we can compute the baryon collapsed fraction fc by integrating ..... kinetic Sunyaev-Zeldovich effect, caused by radial Doppler motions of ...
[ 1009.4704v1.pdf - Read/Download File