Related papers: Sunyaev--Zel'dovich profile fitting with joint AMI…

Planck Intermediate Results II: Comparison of Sunyaev-Zeldovich measurements from Planck and from the Arcminute Microkelvin Imager for 11 galaxy clusters

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

Comparison of Sunyaev-Zel'dovich measurements from Planck and from the Arcminute Microkelvin Imager for 99 galaxy clusters

We present observations and analysis of a sample of 123 galaxy clusters from the 2013 Planck catalogue of Sunyaev-Zel'dovich sources with the Arcminute Microkelvin Imager (AMI), a ground-based radio interferometer. AMI provides an…

Cosmology and Nongalactic Astrophysics · Physics 2015-08-12 Y. C. Perrott , M. Olamaie , C. Rumsey , M. L. Brown , F. Feroz , K. J. B. Grainge , M. P. Hobson , A. N. Lasenby , C. J. MacTavish , G. G. Pooley , R. D. E. Saunders , M. P. Schammel , P. F. Scott , T. W. Shimwell , D. J. Titterington , E. M. Waldram , N. Aghanim , M. Arnaud , M. Ashdown , H. Aussel , R. Barrena , I. Bikmaev , H. Böhringer , R. Burenin , P. Carvalho , G. Chon , B. Comis , H. Dahle , J. Democles , M. Douspis , D. Harrison , A. Hempel , G. Hurier , I. Khamitov , R. Kneissl , J. F. Macías-Pérez , J. -B. Melin , E. Pointecouteau , G. W. Pratt , J. A. Rubiño-Martín , V. Stolyarov , D. Sutton

Planck Intermediate Results. V. Pressure profiles of galaxy clusters from the Sunyaev-Zeldovich effect

Taking advantage of the all-sky coverage and broad frequency range of the Planck satellite, we study the Sunyaev-Zeldovich (SZ) and pressure profiles of 62 nearby massive clusters detected at high significance in the 14-month nominal…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-05 Planck Collaboration , P. A. R. Ade , N. Aghanim , M. Arnaud , M. Ashdown , F. Atrio-Barandela , J. Aumont , C. Baccigalupi , A. Balbi , A. J. Banday , R. B. Barreiro , J. G. Bartlett , E. Battaner , K. Benabed , A. Benoit , J. -P. Bernard , M. Bersanelli , R. Bhatia , I. Bikmaev , H. Boehringer , A. Bonaldi , J. R. Bond , S. Borgani , J. Borrill , F. R. Bouchet , H. Bourdin , M. L. Brown , R. Burenin , C. Burigana , P. Cabella , J. -F. Cardoso , P. Carvalho , G. Castex , A. Catalano , L. Cayon , A. Chamballu , L. -Y Chiang , G. Chon , P. R. Christensen , E. Churazov , D. L. Clements , S. Colafrancesco , S. Colombi , L. P. L. Colombo , B. Comis , A. Coulais , B. P. Crill , F. Cuttaia , A. Da Silva , H. Dahle , L. Danese , R. J. Davis , P. de Bernardis , G. de Gasperis , G. de Zotti , J. Delabrouille , J. Democles , F. -X. Desert , J. M. Diego , K. Dolag , H. Dole , S. Donzelli , O. Dore , U. Dorl , M. Douspis , X. Dupac , G. Efstathiou , T. A. Ensslin , H. K. Eriksen , F. Finelli , I. Flores-Cacho , O. Forni , P. Fosalba , M. Frailis , E. Franceschi , M. Frommert , S. Galeotta , K. Ganga , R. T. Genova-Santos , M. Giard , Y. Giraud-Heraud , J. Gonzalez-Nuevo , K. M. Gorski , A. Gregorio , A. Gruppuso , F. K. Hansen , D. Harrison , A. Hempel , S. Henrot-Versille , C. Hernandez-Monteagudo , D. Herranz , S. R. Hildebrandt , E. Hivon , M. Hobson , W. A. Holmes , G. Hurier , T. R. Jaffe , A. H. Jaffe , T. Jagemann , W. C. Jones , M. Juvela , E. Keihanen , I. Khamitov , T. S. Kisner , R. Kneissl , J. Knoche , L. Knox , M. Kunz , H. Kurki-Suonio , G. Lagache , A. Lahteenmaki , J. -M. Lamarre , A. Lasenby , C. R. Lawrence , M. Le Jeune , R. Leonardi , A. Liddle , P. B. Lilje , M. Lopez-Caniego , G. Luzzi , J. F. Macias-Perez , D. Maino , N. Mandolesi , M. Maris , F. Marleau , D. J. Marshall , E. Martinez-Gonzalez , S. Masi , M. Massardi , S. Matarrese , P. Mazzotta , S. Mei , A. Melchiorri , J. -B. Melin , L. Mendes , A. Mennella , S. Mitra , M. -A. Miville-Deschaines , A. Moneti , L. Montier , G. Morgante , D. Mortlock , D. Munshi , J. A. Murphy , P. Naselsky , F. Nati , P. Natoli , H. U. Norgaard-Nielsen , F. Noviello , D. Novikov , I. Novikov , S. Osborne , F. Pajot , D. Paoletti , F. Pasian , G. Patanchon , O. Perdereau , L. Perotto , F. Perrotta , F. Piacentini , M. Piat , E. Pierpaoli , R. Piffaretti , S. Plaszczynski , E. Pointecouteau , G. Polenta , N. Ponthieu , L. Popa , T. Poutanen , G. W. Pratt , S. Prunet , J. -L. Puget , J. P. Rachen , W. T. Reach , R. Rebolo , M. Reinecke , M. Remazeilles , C. Renault , S. Ricciardi , T. Riller , I. Ristorcelli , G. Rocha , M. Roman , C. Rosset , M. Rossetti , J. A. Rubino-Martin , B. Rusholme , M. Sandri , G. Savini , D. Scott , G. F. Smoot , J. -L. Starck , R. Sudiwala , R. Sunyaev , D. Sutton , A. -S. Suur-Uski , J. -F. Sygnet , J. A. Tauber , L. Terenzi , L. Toffolatti , M. Tomasi , M. Tristram , J. Tuovinen , L. Valenziano , B. Van Tent , J. Varis , P. Vielva , F. Villa , N. Vittorio , L. A. Wade , B. D. Wandelt , N. Welikala , S. D. M. White , M. White , D. Yvon , A. Zacchei , A. Zonca

Physical modelling of galaxy clusters detected by Planck

We present a comparison of mass estimates for $54$ galaxy cluster candidates from the second Planck catalogue (PSZ2) of Sunyaev-Zel'dovich sources. We compare the mass values obtained with data taken from the Arcminute Microkelvin Imager…

Cosmology and Nongalactic Astrophysics · Physics 2020-02-11 Kamran Javid , Malak Olamaie , Yvette C. Perrott , Pedro Carvalho , Keith J. B. Grainge , Michael P. Hobson , Clare Rumsey , Richard D. E. Saunders

Bayesian joint analysis of cluster weak lensing and Sunyaev-Zel'dovich effect data

As the quality of the available galaxy cluster data improves, the models fitted to these data might be expected to become increasingly complex. Here we present the Bayesian approach to the problem of cluster data modelling: starting from…

Astrophysics · Physics 2009-11-10 P. J. Marshall , M. P. Hobson , A. Slosar

Galaxy Cluster Pressure Profiles as Determined by Sunyaev Zel'dovich Effect Observations with MUSTANG and Bolocam I: Joint Analysis Technique

We present a technique to constrain galaxy cluster pressure profiles by jointly fitting Sunyaev-Zel'dovich effect (SZE) data obtained with MUSTANG and Bolocam for the clusters Abell 1835 and MACS0647. Bolocam and MUSTANG probe different…

Cosmology and Nongalactic Astrophysics · Physics 2015-07-15 Charles Romero , Brian S. Mason , Jack Sayers , Alexander H. Young , Tony Mroczkowski , Tracy E. Clarke , Craig Sarazin , Jonathon Sievers , Simon R. Dicker , Erik D. Reese , Nicole Czakon , Mark Devlin , Phillip M. Korngut , Sunil Golwala

Surveying the Sky with the Arcminute MicroKelvin Imager: Expected Constraints on Galaxy Cluster Evolution and Cosmology

We discuss prospects for cluster detection via the Sunyaev-Zel'dovich (SZ) effect in a blank field survey with the proposed interferometer array, the Arcminute MicroKelvin Imager (AMI). Clusters of galaxies selected in the SZ effect probe…

Astrophysics · Physics 2009-11-06 Ruediger Kneissl , Michael E. Jones , Richard Saunders , Vincent R. Eke , Anthony N. Lasenby , Keith Grainge , Garret Cotter

Application of a Self-Similar Pressure Profile to Sunyaev-Zel'dovich Effect Data from Galaxy Clusters

We investigate the utility of a new, self-similar pressure profile for fitting Sunyaev-Zel'dovich (SZ) effect observations of galaxy clusters. Current SZ imaging instruments - such as the Sunyaev-Zel'dovich Array (SZA) - are capable of…

Astrophysics · Physics 2011-02-11 T. Mroczkowski , M. Bonamente , J. E. Carlstrom , T. L. Culverhouse , C. Greer , D. Hawkins , R. Hennessy , M. Joy , J. W. Lamb , E. M. Leitch , M. Loh , B. Maughan , D. P. Marrone , A. Miller , D. Nagai , S. Muchovej , C. Pryke , M. Sharp , D. Woody

Parameterization Effects in the analysis of AMI Sunyaev-Zel'dovich Observations

Most Sunyaev--Zel'dovich (SZ) and X-ray analyses of galaxy clusters try to constrain the cluster total mass and/or gas mass using parameterised models and assumptions of spherical symmetry and hydrostatic equilibrium. By numerically…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-20 The AMI Consortium , : , Malak Olamaie , Carmen Rodriguez-Gonzalvez , Matthew L. Davies , Farhan Feroz , Thomas M. O. Franzen , Keith J. B. Grainge , Michael P. Hobson , Natasha Hurley-Walker , Anthony N. Lasenby , Guy G. Pooley , Richard D. E. Saunders , Anna M. M. Scaife , Michel Schammel , Paul F. Scott , Timothy W. Shimwell , David J. Titterington , Elizabeth M. Waldram , Jonathan T. L. Zwart

Sunyaev-Zel'dovich Cluster Profiles Measured with the South Pole Telescope

We present Sunyaev-Zel'dovich measurements of 15 massive X-ray selected galaxy clusters obtained with the South Pole Telescope. The Sunyaev-Zel'dovich (SZ) cluster signals are measured at 150 GHz, and concurrent 220 GHz data are used to…

Cosmology and Nongalactic Astrophysics · Physics 2014-11-20 T. Plagge , B. A. Benson , P. A. R. Ade , K. A. Aird , L. E. Bleem , J. E. Carlstrom , C. L. Chang , H. -M. Cho , T. M. Crawford , A. T. Crites , T. de Haan , M. A. Dobbs , E. M. George , N. R. Hall , N. W. Halverson , G. P. Holder , W. L. Holzapfel , J. D. Hrubes , M. Joy , R. Keisler , L. Knox , A. T. Lee , E. M. Leitch , M. Lueker , D. Marrone , J. J. McMahon , J. Mehl , S. S. Meyer , J. J. Mohr , T. E. Montroy , S. Padin , C. Pryke , C. L. Reichardt , J. E. Ruhl , K. K. Schaffer , L. Shaw , E. Shirokoff , H. G. Spieler , B. Stalder , Z. Staniszewski , A. A. Stark , K. Vanderlinde , J. D. Vieira , R. Williamson , O. Zahn

Bayesian modelling of clusters of galaxies from multi-frequency pointed Sunyaev--Zel'dovich observations

We present a Bayesian approach to modelling galaxy clusters using multi-frequency pointed observations from telescopes that exploit the Sunyaev--Zel'dovich effect. We use the recently developed MultiNest technique (Feroz, Hobson & Bridges,…

Astrophysics · Physics 2011-09-28 F. Feroz , M. P. Hobson , J. T. L. Zwart , R. D. E. Saunders , K. J. B. Grainge

Physical modelling of galaxy clusters and Bayesian inference in astrophysics

I compare the mass values obtained with data taken from the Arcminute Microkelvin Imager (AMI) radio interferometer system and from the Planck satellite. The former of these uses a Bayesian analysis pipeline that parameterises a cluster in…

Cosmology and Nongalactic Astrophysics · Physics 2020-02-13 Kamran Javid

Galaxy Cluster Pressure Profiles as Determined by Sunyaev Zel'dovich Effect Observations with MUSTANG and Bolocam II: Joint Analysis of Fourteen Clusters

We present pressure profiles of galaxy clusters determined from high resolution Sunyaev-Zel'dovich (SZ) effect observations of fourteen clusters, which span the redshift range $ 0.25 < z < 0.89$. The procedure simultaneously fits spherical…

Cosmology and Nongalactic Astrophysics · Physics 2017-04-05 Charles Romero , Brian Mason , Jack Sayers , Tony Mroczkowski , Craig Sarazin , Megan Donahue , Alessandro Baldi , Tracy E. Clarke , Alexander Young , Jonathan Sievers , Simon Dicker , Erik Reese , Nicole Czakon , Mark Devlin , Phillip Korngut , Sunil Golwala

Mass and pressure constraints on galaxy clusters from interferometric SZ observations

Following on our previous study of an analytic parametric model to describe the baryonic and dark matter distributions in clusters of galaxies with spherical symmetry, we perform an SZ analysis of a set of simulated clusters and present…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-05 M. Olamaie , M. P. Hobson , K. J. B. Grainge

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…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-04 Nicole Hasler , Esra Bulbul , Massimiliano Bonamente , John E. Carlstrom , Thomas L. Culverhouse , Megan Gralla , Christopher Greer , David Hawkins , Ryan Hennessy , Marshall Joy , Jeffery Kolodziejczak , James W. Lamb , David Landry , Erik M. Leitch , Adam Mantz , Daniel P. Marrone , Amber Miller , Tony Mroczkowski , Stephen Muchovej , Thomas Plagge , Clem Pryke , David Woody

Spectral imaging of the thermal Sunyaev-Zel'dovich effect in X-COP galaxy clusters: method and validation

The imaging of galaxy clusters through the Sunyaev--Zel'dovich effect is a valuable tool to probe the thermal pressure of the intra-cluster gas, especially in the outermost regions where X-ray observations suffer from photon statistics. For…

Cosmology and Nongalactic Astrophysics · Physics 2019-10-09 Anna Silvia Baldi , Hervé Bourdin , Pasquale Mazzotta , Dominique Eckert , Stefano Ettori , Massimo Gaspari , Mauro Roncarelli

Cosmological implications of a modified galaxy cluster pressure profile using the $Planck$ tSZ power spectrum

The mean pressure profile of the cluster population is a key element in cosmological analyses based on surveys of galaxy clusters observed through the Sunyaev-Zel'dovich (SZ) effect. A variation of both the shape and the amplitude of this…

Cosmology and Nongalactic Astrophysics · Physics 2020-02-12 F. Ruppin , F. Mayet , J. F. Macías-Pérez , L. Perotto

Deep learning for Sunyaev-Zel'dovich detection in Planck

The Planck collaboration has extensively used the six Planck HFI frequency maps to detect the Sunyaev-Zel'dovich (SZ) effect with dedicated methods, e.g., by applying (i) component separation to construct a full sky map of the y parameter…

Cosmology and Nongalactic Astrophysics · Physics 2020-02-12 Victor Bonjean

Comparison of Pressure Profiles of Massive Relaxed Galaxy Clusters using Sunyaev-Zel'dovich and X-ray Data

We present Sunyaev-Zel'dovich (SZ) effect observations of a sample of 25 massive relaxed galaxy clusters observed with the Sunyaev-Zel'dovich Array (SZA), an 8-element interferometer that is part of the Combined Array for Research in…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-03 Massimiliano Bonamente , Nicole Hasler , Esra Bulbul , John E. Carlstrom , Thomas L. Culverhouse , Megan Gralla , Christopher Greer , David Hawkins , Ryan Hennessy , Marshall Joy , Jeffery Kolodziejczak , James W. Lamb , David Landry , Erik M. Leitch , Daniel P. Marrone , Amber Miller , Tony Mroczkowski , Stephen Muchovej , Thomas Plagge , Clem Pryke , Matthew Sharp , David Woody

SZ surveys with the Arcminute MicroKelvin Imager

The Arcminute MicroKelvin Imager (AMI) is an instrument currently under construction in Cambridge designed to produce a survey of galaxy clusters via the Sunyaev-Zel'dovich effect. It consists of two interferometric arrays, both operating…

Astrophysics · Physics 2007-05-23 Michael E. Jones