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Sensitive surveys of the Cosmic Microwave Background will detect thousands of galaxy clusters via the Sunyaev-Zel'dovich (SZ) effect. Two SZ observables, the central or maximum and integrated Comptonization parameters y_max and Y, relate in…

Astrophysics · Physics 2009-11-13 Daniel R. Wik , Craig L. Sarazin , Paul M. Ricker , Scott W. Randall

The Sunyaev-Zeldovich (SZ) effect has long been recognized as a powerful cosmological probe. Using the BAHAMAS and MACSIS simulations to obtain $>10,000$ simulated galaxy groups and clusters, we compute three temperature measures and…

Cosmology and Nongalactic Astrophysics · Physics 2020-03-03 Elizabeth Lee , Jens Chluba , Scott T. Kay , David J. Barnes

The Hubble constant estimated from the combined analysis of the Sunyaev-Zel'dovich effect and X-ray observations of galaxy clusters is systematically lower than those from other methods by 10-15 percent. We examine the origin of the…

Astrophysics · Physics 2009-11-13 Hajime Kawahara , Tetsu Kitayama , Shin Sasaki , Yasushi Suto

A comparison is presented of Sunyaev-Zeldovich measurements for 11 galaxy clusters as obtained by Planck and by the ground-based interferometer, the Arcminute Microkelvin Imager. Assuming a universal spherically-symmetric Generalised…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-04 Planck , AMI Collaborations , : , N. Aghanim , M. Arnaud , M. Ashdown , J. Aumont , C. Baccigalupi , A. Balbi , A. J. Banday , R. B. Barreiro , E. Battaner , R. Battye , K. Benabed , A. Benoît , J. -P. Bernard , M. Bersanelli , R. Bhatia , I. Bikmaev , H. Böhringer , A. Bonaldi , J. R. Bond , J. Borrill , F. R. Bouchet , H. Bourdin , M. L. Brown , M. Bucher , R. Burenin , C. Burigana , R. C. Butler , P. Cabella , P. Carvalho , A. Catalano , L. Cayón , A. Chamballu , R. -R. Chary , L. -Y Chiang , G. Chon , D. L. Clements , S. Colafrancesco , S. Colombi , B. P. Crill , F. Cuttaia , A. Da Silva , H. Dahle , R. D. Davies , R. J. Davis , P. de Bernardis , G. de Gasperis , A. de Rosa , G. de Zotti , J. Delabrouille , J. Démoclès , C. Dickinson , J. M. Diego , K. Dolag , H. Dole , S. Donzelli , O. Doré , M. Douspis , X. Dupac , T. A. Enßlin , H. K. Eriksen , F. Feroz , F. Finelli , I. Flores-Cacho , O. Forni , P. Fosalba , M. Frailis , E. Franceschi , S. Fromenteau , S. Galeotta , K. Ganga , R. T. Génova-Santos , M. Giard , Y. Giraud-Héraud , J. González-Nuevo , K. M. Górski , K. J. B. Grainge , A. Gregorio , A. Gruppuso , F. K. Hansen , D. Harrison , S. Henrot-Versillé , C. Hernández-Monteagudo , D. Herranz , S. R. Hildebrandt , E. Hivon , M. Hobson , W. A. Holmes , K. M. Huffenberger , G. Hurier , N. Hurley-Walker , T. Jagemann , M. Juvela , E. Keihänen , I. Khamitov , R. Kneissl , J. Knoche , M. Kunz , H. Kurki-Suonio , G. Lagache , J. -M. Lamarre , A. Lasenby , C. R. Lawrence , M. Le Jeune , S. Leach , R. Leonardi , A. Liddle , P. B. Lilje , M. Linden-Vørnle , M. López-Caniego , G. Luzzi , J. F. Macías-Pérez , C. J. MacTavish , D. Maino , N. Mandolesi , M. Maris , F. Marleau , D. J. Marshall , E. Martínez-González , S. Masi , M. Massardi , S. Matarrese , F. Matthai , P. Mazzotta , A. Melchiorri , J. -B. Melin , L. Mendes , A. Mennella , S. Mitra , M. -A. Miville-Deschênes , L. Montier , G. Morgante , D. Munshi , P. Naselsky , P. Natoli , F. Noviello , M. Olamaie , S. Osborne , F. Pajot , D. Paoletti , F. Pasian , G. Patanchon , T. J. Pearson , O. Perdereau , Y. C. Perrott , F. Perrotta , F. Piacentini , E. Pierpaoli , P. Platania , E. Pointecouteau , G. Polenta , L. Popa , T. Poutanen , G. W. Pratt , J. -L. Puget , J. P. Rachen , R. Rebolo , M. Reinecke , M. Remazeilles , C. Renault , S. Ricciardi , I. Ristorcelli , G. Rocha , C. Rodríguez-Gonzálvez , C. Rosset , M. Rossetti , J. A. Rubiño-Martín , B. Rusholme , R. D. E. Saunders , G. Savini , M. P. Schammel , D. Scott , T. W. Shimwell , G. F. Smoot , J. -L. Starck , F. Stivoli , V. Stolyarov , R. Sunyaev , D. Sutton , A. -S. Suur-Uski , J. -F. Sygnet , J. A. Tauber , L. Terenzi , L. Toffolatti , M. Tomasi , M. Tristram , L. Valenziano , B. Van Tent , P. Vielva , F. Villa , N. Vittorio , L. A. Wade , B. D. Wandelt , D. Yvon , A. Zacchei , A. Zonca

Sub-structures in the hot gas of galaxy clusters are related to their formation history and to the astrophysical processes at play in the intracluster medium (ICM). The thermal Sunyaev-Zel'dovich (tSZ) effect is directly sensitive to the…

We present measurements of the X-ray observables of the intra-cluster medium (ICM), including luminosity $L_X$, ICM mass $M_{ICM}$, emission-weighted mean temperature $T_X$, and integrated pressure $Y_X$, that are derived from XMM-Newton…

Turbulent gas motions are expected to dominate the non-thermal energy budget of the intracluster medium (ICM). The measurement of pressure fluctuations from high angular resolution Sunyaev-Zel'dovich imaging opens a new avenue to study ICM…

Gas infalling into the gravitational potential wells of massive galaxy clusters is expected to experience one or more shocks on its journey to becoming part of the intracluster medium (ICM). These shocks are important for setting the…

Cosmology and Nongalactic Astrophysics · Physics 2021-10-13 Eric J. Baxter , Susmita Adhikari , Jesús Vega-Ferrero , Weiguang Cui , Chihway Chang , Bhuvnesh Jain , Alexander Knebe

We use the high quality pressure profiles of 239 galaxy clusters made available by the ACCEPT project (Cavagnolo et al. 2009) in order to derive the expected Sunyaev Zeldovich (SZ) signal in a variety of cases that hardly find a counterpart…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-18 A. Pipino , E. Pierpaoli

In this work we study the intracluster medium of a galaxy cluster at the cosmic noon: JKCS041 at z=1.803. A 28h long Sunyaev-Zel'dovich (SZ) observation using MUSTANG-2 allows us to detect JKCS041, even if intrinsically extremely faint…

Cosmology and Nongalactic Astrophysics · Physics 2023-05-17 S. Andreon , C. Romero , H. Aussel , T. Bhandarkar , M. Devlin , S. Dicker , B. Ladjelate , I. Lowe , B. Mason , T. Mroczkowski , A. Raichoor , C. Sarazin , G. Trinchieri

We present observations of the Sunyaev-Zel'dovich effect (SZE) in the Bullet cluster (1E 0657--56) using the APEX-SZ instrument at 150 GHz with a resolution of 1 arcmin. The main results are maps of the SZE in this massive, merging galaxy…

The Sunyaev-Zel'dovich (SZ) effect is a powerful probe of the evolution of structures in the universe, and is thus highly sensitive to cosmological parameters $\sigma_8$ and $\Omega_m$, though its power is hampered by the current…

Cosmology and Nongalactic Astrophysics · Physics 2017-08-16 G. Hurier , F. Lacasa

Imaging of the Sunyaev-Zel'dovich (SZ) effect in galaxy clusters combined with cluster plasma x-ray diagnostics can measure the cosmic distance scale to high redshift. Projecting the inverse-Compton scattering and x-ray emission along the…

Astrophysics · Physics 2009-10-31 Martin E. Sulkanen

We discuss the possibility to constrain the relation between redshift and temperature of the cosmic microwave background (CMB) using multifrequency Sunyaev-Zeldovich (SZ) observations. We have simulated a catalog of clusters of galaxies…

Astrophysics · Physics 2009-11-11 Cathy Horellou , Martin Nord , Daniel Johansson , Anna Levy

In this work we want to study the average mass density profile of tens to hundreds of clusters of galaxies acting as lenses that produce a magnification bias on the SMGs, and to estimate their associated masses and concentrations for…

Cosmology and Nongalactic Astrophysics · Physics 2022-01-26 L. Fernandez , M. M. Cueli , J. González-Nuevo , L. Bonavera , D. Crespo , J. M. Casas , A. Lapi

We present recent high angular resolution (9") Sunyaev-Zel'dovich effect (SZE) observations with MUSTANG, a 90-GHz bolometric receiver on the Green Bank Telescope. MUSTANG has now imaged several massive clusters of galaxies in some of the…

Cosmology and Nongalactic Astrophysics · Physics 2011-01-26 Tony Mroczkowski , Mark Devlin , Simon Dicker , Phillip Korngut , Brian Mason , Erik Reese , Craig Sarazin , Jonathon Sievers , Ming Sun , Alex Young

The NIKA2 Sunyaev-Zel'dovich Large Program (SZLP) is focused on mapping the thermal SZ signal of a representative sample of selected Planck and ACT clusters spanning the redshift range 0.5<$z$<0.9. Hydrodynamical N-body simulations prove to…

Cosmology and Nongalactic Astrophysics · Physics 2020-02-12 M. De Petris , F. Ruppin , F. Sembolini , R. Adam , A. S. Baldi , G. Cialone , B. Comis , F. De Luca , G. Gianfagna , F. Kéruzoré , J. Macìas-Pérez , F. Mayet , L. Perotto , G. Yepes