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We present a 4 deg^2 weak gravitational lensing survey of subhalos in the very nearby Coma cluster using the Subaru/Suprime-Cam. The large apparent size of cluster subhalos allows us to measure the mass of 32 subhalos detected in a…

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Tentative Detection of Quasar Feedback from WMAP and SDSS Cross-Correlation

We perform a cross-correlation analysis of microwave data from Wilkinson Microwave Anisotropy Probe and photometric quasars from the Sloan Digital Sky Survey, testing for Sunyaev-Zeldovich (SZ) effect from quasars. A statistically…

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High-z X-ray AGN Clustering and Cosmological Implications

I review recent results of the high-redshift X-ray selected AGN clustering, based on the XMM/2dF survey. Using the luminosity-dependent density evolution luminosity function we find that the spatial clustering lengths, derived using…

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Joint analysis of X-ray and Sunyaev Zel'dovich observations of galaxy clusters using an analytic model of the intra-cluster medium

We perform a joint analysis of X-ray and Sunyaev Zel'dovich (SZ) effect data using an analytic model that describes the gas properties of galaxy clusters. The joint analysis allows the measurement of the cluster gas mass fraction profile…

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We report on our search for distant clusters of galaxies based on optical and X-ray follow up observations of X-ray candidates from the SHARC survey. Based on the assumption that the absence of bright optical or radio counterparts to…

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A Measurement of CMB Cluster Lensing with SPT and DES Year 1 Data

Clusters of galaxies gravitationally lens the cosmic microwave background (CMB) radiation, resulting in a distinct imprint in the CMB on arcminute scales. Measurement of this effect offers a promising way to constrain the masses of galaxy…

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Direct probes of Dark Matter in the cluster 1ES0657-556 through microwave observations

The cluster 1ES0657-556 is an ideal astrophysical laboratory to study the distribution and the nature of Dark Matter because this last component is spatially separated from the intracluster gas. We show that microwave observations can…

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Probing the evolution of galaxy clusters with the SZ Effect

In galaxy clusters the thermal Sunyaev-Zel'dovich (SZ) effect from the hot intracluster medium (ICM) provides a direct, self-contained measure of the pressure integrated over crossing lines of sight, that is intrinsically independent of…

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SPT Clusters with DES and HST Weak Lensing. II. Cosmological Constraints from the Abundance of Massive Halos

We present cosmological constraints from the abundance of galaxy clusters selected via the thermal Sunyaev-Zel'dovich (SZ) effect in South Pole Telescope (SPT) data with a simultaneous mass calibration using weak gravitational lensing data…

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The XXL Survey V: Detection of the Sunyaev-Zel'dovich effect of the Redshift 1.9 Galaxy Cluster XLSSU J021744.1-034536 with CARMA

We report the detection of the Sunyaev-Zel'dovich (SZ) effect of galaxy cluster XLSSU J021744.1-034536, using 30 GHz CARMA data. This cluster was discovered via its extended X-ray emission in the XMM-Newton Large Scale Structure survey, the…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-18 Adam B. Mantz , Zubair Abdulla , John E. Carlstrom , Christopher H. Greer , Erik M. Leitch , Daniel P. Marrone , Stephen Muchovej , Christophe Adami , Mark Birkinshaw , Malcolm Bremer , Nicolas Clerc , Paul Giles , Cathy Horellou , Benjamin Maughan , Florian Pacaud , Marguerite Pierre , Jon Willis

Sensitive 3mm Imaging of Discrete Sources in the Fields of tSZ-Selected Galaxy Clusters

In this paper we present the results of a blind survey for compact sources in 243 Galaxy clusters that were identified using the thermal Sunyaev-Zeldovich effect (tSZ). The survey was carried out at 90 GHz using MUSTANG2 on the Green Bank…

Cosmology and Nongalactic Astrophysics · Physics 2024-08-26 Simon R. Dicker , Karen Perez Sarmiento , Brian Mason , Tanay Bhandarkar , Mark J. Devlin , Luca Di Mascolo , Saianeesh Haridas , Matt Hilton , Mathew Madhavacheril , Emily Moravec , Tony Mroczkowski , John Orlowski-Scherer , Charles Romero , Craig L. Sarazin , Jonathan Sievers

The XXL Survey: XLVIII; X-ray follow-up of distant XXL clusters: Masses, scaling relations and AGN contamination

We use deep follow-up XMM-Newton observations of 6 clusters discovered in the XXL Survey at $z>1$ to gain robust measurements of their X-ray properties and to investigate the extent to which scaling relations at low redshift are valid at…

Cosmology and Nongalactic Astrophysics · Physics 2022-04-11 R. T. Duffy , C. H. A. Logan , B. J. Maughan , D. Eckert , N. Clerc , S. Ettori , F. Gastaldello , E. Koulouridis , M. Pierre , M. Ricci , M. Sereno , I. Valtchanov , J. P. Willis

Dust Attenuation and H-alpha Star Formation Rates of z~0.5 Galaxies

Using deep narrow-band and broad-band imaging, we identify 401 z~0.40 and 249 z~0.49 H-alpha line-emitting galaxies in the Subaru Deep Field. Compared to other H-alpha surveys at similar redshifts, our samples are unique since they probe…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-04 Chun Ly , Matthew A. Malkan , Nobunari Kashikawa , Kazuaki Ota , Kazuhiro Shimasaku , Masanori Iye , Thayne Currie

X-ray selected galaxy clusters in the Pan-STARRS Medium-Deep Survey

[abridged] We present the results of a pilot study for the extended MACS survey (eMACS), a comprehensive search for distant, X-ray luminous galaxy clusters at z>0.5. Our pilot study applies the eMACS concept to the 71 deg^2 area extended by…

Cosmology and Nongalactic Astrophysics · Physics 2013-04-30 H. Ebeling , A. C. Edge , W. S. Burgett , K. C. Chambers , K. W. Hodapp , M. E. Huber , N. Kaiser , P. A. Price , J. L. Tonry

A Search for z=7.3 Ly{\alpha} Emitters behind Gravitationally Lensing Clusters

We searched for z=7.3 Lya emitters (LAEs) behind two lensing clusters, Abell 2390 and CL 0024, with the Subaru Telescope Suprime-Cam and a narrowband NB1006 (FWHM ~ 21 nm centered at 1005 nm). We investigated if there exist objects…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-04 Kazuaki Ota , Johan Richard , Masanori Iye , Takatoshi Shibuya , Eiichi Egami , Nobunari Kashikawa

A Richness Study of 14 Distant X-ray Clusters From the 160 Square Degree Survey

We have measured the surface density of galaxies toward 14 X-ray-selected cluster candidates at redshifts greater than z=0.46, and we show that they are associated with rich galaxy concentrations. We find that the clusters range between…

Astrophysics · Physics 2009-11-06 B. R. McNamara , A. Vikhlinin , A. Hornstrup , H. Quintana , K. Whitman , W. Forman , C. Jones

The Atacama Cosmology Telescope: DR6 Sunyaev-Zel'dovich Selected Galaxy Clusters Catalog

We present the results of a search for galaxy clusters in the Atacama Cosmology Telescope (ACT) Data Release 6 (DR6) microwave sky maps covering 16293 square degrees in three frequency bands, using data obtained over the lifetime of the…

Cosmology and Nongalactic Astrophysics · Physics 2026-01-28 HSC Collaboration , M. Aguena , S. Aiola , S. Allam , F. Andrade-Oliveira , D. Bacon , N. Bahcall , N. Battaglia , E. S. Battistelli , S. Bocquet , B. Bolliet , J. R. Bond , D. Brooks , E. Calabrese , J. Carretero , S. K. Choi , L. N. da Costa , M. Costanzi , W. Coulton , T. M. Davis , S. Desai , M. J. Devlin , S. Dicker , P. Doel , A. J. Duivenvoorden , J. Dunkley , S. Ferraro , B. Flaugher , J. Frieman , P. A. Gallardo , M. Gatti , E. Gaztanaga , A. S. Gill , J. E. Golec , D. Gruen , R. A. Gruendl , M. Halpern , M. Hasselfield , J. C. Hill , M. Hilton , A. D. Hincks , S. R. Hinton , D. L. Hollowood , K. Honscheid , J. Hubmayr , K. M. Huffenberger , J. P. Hughes , D. J. James , M. Klein , K. Knowles , B. J. Koopman , A. Kosowsky , O. Lahav , E. Lee , Y. Lin , M. Lokken , M. S. Madhavacheril , A. A. Plazas Malagón , J. v. Marrewijk , J. L. Marshall , J. McMahon , J. Mena-Fernández , R. Miquel , H. Miyatake , J. J. Mohr , K. Moodley , T. Mroczkowski , S. Naess , F. Nati , A. Nicola , M. D. Niemack , R. L. C. Ogando , M. Oguri , J. Orlowski-Scherer , L. A. Page , B. Partridge , M. E. da Silva Pereira , A. Porredon , F. J. Qu , D. C. Ragavan , B. Ried Guachalla , A. K. Romer , A. Carnero Rosell , E. S. Rykoff , S. Samuroff , E. Sanchez , I. Sevilla-Noarbe , C. Sierra , C. Sifón , M. Smith , S. T. Staggs , E. Suchyta , M. E. C. Swanson , D. L. Tucker , C. Vargas , E. M. Vavagiakis , J. De Vicente , N. Weaverdyck , J. Weller , E. J. Wollack , I. Zubeldia

Estimating Power Spectrum of Sunyaev-Zeldovich Effect from the Cross-Correlation between WMAP and 2MASS

We estimate the power spectrum of SZ(Sunyaev-Zel'dovich)-effect-induced temperature fluctuations on sub-degree scales by using the cross correlation between the three-year WMAP maps and 2MASS galaxy distribution. We produced the SZ effect…

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redMaPPer III: A Detailed Comparison of the Planck 2013 and SDSS DR8 RedMaPPer Cluster Catalogs

We compare the Planck Sunyaev-Zeldovich (SZ) cluster sample (PSZ1) to the Sloan Digital Sky Survey (SDSS) redMaPPer catalog, finding that all Planck clusters within the redMaPPer mask and within the redshift range probed by redMaPPer are…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-18 Eduardo Rozo , Eli S. Rykoff , James G. Bartlett , Jean B. Melin

Weak Lensing by Two z~0.8 Clusters of Galaxies

We report the detection of weak gravitational lensing of distant background galaxies by two rich, X-ray luminous clusters of galaxies, MS 1137+66 at z=0.783 and RXJ 1716+67 at z=0.813. We detect a shear signal in each cluster over the…

Astrophysics · Physics 2009-09-25 D. Clowe , N. Kaiser , G. Luppino , J. P. Henry , I. M. Gioia