Planck intermediate results

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. Benoît; J.-P. Bernard; M. Bersanelli; I. Bikmaev; H. Böhringer; A. Bonaldi; J. R. Bond; J. Borrill; F. R. Bouchet; H. Bourdin; M. L. Brown; S. D. Brown; R. Burenin; C. Burigana; P. Cabella; J.-F. Cardoso; P. Carvalho; A. Catalano; L. Cayón; L.-Y Chiang; G. Chon; P. R. Christensen; E. Churazov; D. L. Clements; S. Colafrancesco; L. P. L. Colombo; A. Coulais; B. P. Crill; F. Cuttaia; A. Da Silva; H. Dahle; L. Danese; R. J. Davis; P. de Bernardis; G. de Gasperis; A. de Rosa; G. de Zotti; J. Delabrouille; J. Démoclès; F.-X. Désert; C. Dickinson; J. M. Diego; K. Dolag; H. Dole; S. Donzelli; O. Doré; U. Dörl; M. Douspis; X. Dupac; T. A. Enßlin; H. K. Eriksen; F. Finelli; I. Flores-Cacho; O. Forni; M. Frailis; E. Franceschi; M. Frommert; S. Galeotta; K. Ganga; R. T. Génova-Santos; M. Giard; M. Gilfanov; J. González-Nuevo; K. M. Górski; A. Gregorio; A. Gruppuso; F. K. Hansen; D. Harrison; S. Henrot-Versillé; C. Hernández-Monteagudo; S. R. Hildebrandt; E. Hivon; M. Hobson; W. A. Holmes; A. Hornstrup; W. Hovest; K. M. Huffenberger; G. Hurier; T. R. Jaffe; T. Jagemann; W. C. Jones; M. Juvela; E. Keihänen; I. Khamitov; R. Kneissl; J. Knoche; L. Knox; M. Kunz; H. Kurki-Suonio; G. Lagache; A. Lähteenmäki; J.-M. Lamarre; A. Lasenby; C. R. Lawrence; M. Le Jeune; R. Leonardi; P. B. Lilje; M. Linden-Vørnle; M. López-Caniego; P. M. Lubin; J. F. Macías-Pérez; B. Maffei; D. Maino; N. Mandolesi; M. Maris; F. Marleau; E. Martínez-González; S. Masi; M. Massardi; S. Matarrese; F. Matthai; P. Mazzotta; S. Mei; A. Melchiorri; J.-B. Melin; L. Mendes; A. Mennella; S. Mitra; M.-A. Miville-Deschênes; A. Moneti; L. Montier; G. Morgante; D. Munshi; J. A. Murphy; P. Naselsky; P. Natoli; H. U. Nørgaard-Nielsen; F. Noviello; D. Novikov; I. Novikov; S. Osborne; F. Pajot; D. Paoletti; O. Perdereau; 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; R. Rebolo; M. Reinecke; M. Remazeilles; C. Renault; S. Ricciardi; T. Riller; I. Ristorcelli; G. Rocha; M. Roman; C. Rosset; M. Rossetti; J. A. Rubiño-Martín; L. Rudnick; B. Rusholme; M. Sandri; G. Savini; B. M. Schaefer; D. Scott; G. F. Smoot; F. Stivoli; 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; M. Türler; G. Umana; 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; D. Yvon; A. Zacchei; S. Zaroubi; A. Zonca

doi:10.1051/0004-6361/201220247

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Planck intermediate results

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, …

Astronomy and astrophysics (Berlin), Vol.554, A140

06/2013

DOI: 10.1051/0004-6361/201220247

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Abstract

We present an analysis of Planck satellite data on the Coma cluster observed via the Sunyaev-Zeldovich effect. Thanks to its great sensitivity, Planck is able, for the first time, to detect SZ emission up to r ≈ 3 × R500. We test previously proposed spherically symmetric models for the pressure distribution in clusters against the azimuthally averaged data. In particular, we find that the Arnaud et al. (2010, A&A, 517, A92) “universal” pressure profile does not fit Coma, and that their pressure profile for merging systems provides a reasonable fit to the data only at r < R500; by r = 2 × R500 it underestimates the observed y profile by a factor of ≃2. This may indicate that at these larger radii either: i) the cluster SZ emission is contaminated by unresolved SZ sources along the line of sight; or ii) the pressure profile of Coma is higher at r > R500 than the mean pressure profile predicted by the simulations used to constrain the models. The Planck image shows significant local steepening of the y profile in two regions about half a degree to the west and to the south-east of the cluster centre. These features are consistent with the presence of shock fronts at these radii, and indeed the western feature was previously noticed in the ROSAT PSPC mosaic as well as in the radio. Using Plancky profiles extracted from corresponding sectors we find pressure jumps of 4.9-0.2+0.4 and 5.0-0.1+1.3 in the west and south-east, respectively. Assuming Rankine-Hugoniot pressure jump conditions, we deduce that the shock waves should propagate with Mach number Mw = 2.03-0.04+0.09 and Mse = 2.05-0.02+0.25 in the west and south-east, respectively. Finally, we find that the y and radio-synchrotron signals are quasi-linearly correlated on Mpc scales, with small intrinsic scatter. This implies either that the energy density of cosmic-ray electrons is relatively constant throughout the cluster, or that the magnetic fields fall off much more slowly with radius than previously thought.

cosmic background radiation

cosmology: observations

galaxies: clusters: general

galaxies: clusters: individual: Coma cluster

galaxies: clusters: intracluster medium

X-rays: galaxies: clusters

Details

Title: Subtitle: Planck intermediate results
Creators: P. A. R. Ade - Cardiff University
N. Aghanim - Institut d'Astrophysique Spatiale
M. Arnaud - Délégation Paris 7
M. Ashdown - University of Cambridge
F. Atrio-Barandela - Universidad de Salamanca
J. Aumont - Institut d'Astrophysique Spatiale
C. Baccigalupi - Scuola Internazionale Superiore di Studi Avanzati
A. Balbi - University of Rome Tor Vergata
A. J. Banday - Roche (France)
R. B. Barreiro - Instituto de Física de Cantabria
J. G. Bartlett - Sorbonne Paris Cité
E. Battaner - Universidad de Granada
K. Benabed - Institut d'Astrophysique de Paris
A. Benoît - Université Joseph Fourier
J.-P. Bernard - Roche (France)
M. Bersanelli - University of Milan
I. Bikmaev - Tatarstan Academy of Sciences
H. Böhringer - Max Planck Institute for Extraterrestrial Physics
A. Bonaldi - University of Manchester
J. R. Bond - University of Toronto
J. Borrill - Lawrence Berkeley National Laboratory
F. R. Bouchet - Institut d'Astrophysique de Paris
H. Bourdin - University of Rome Tor Vergata
M. L. Brown - University of Manchester
S. D. Brown - Department of Physics and Astronomy, University of Iowa, 203 Van Allen Hall, Iowa City, IA 52242, USA
R. Burenin - Space Research Institute
C. Burigana - University of Ferrara
P. Cabella - University of Rome Tor Vergata
J.-F. Cardoso - Sorbonne Paris Cité
P. Carvalho - University of Cambridge
A. Catalano - Observatoire de Paris
L. Cayón - Purdue University West Lafayette
L.-Y Chiang - Institute of Astronomy and Astrophysics, Academia Sinica
G. Chon - Max Planck Institute for Extraterrestrial Physics
P. R. Christensen - Milton J. Rubenstein Museum of Science and Technology
E. Churazov - Max Planck Institute for Astrophysics
D. L. Clements - Imperial College London
S. Colafrancesco - Astronomical Observatory of Rome
L. P. L. Colombo - University of Southern California
A. Coulais - Observatoire de Paris
B. P. Crill - California Institute of Technology
F. Cuttaia - National Institute for Astrophysics
A. Da Silva - Centro de Astrofísica da Universidade do Porto
H. Dahle - University of Oslo
L. Danese - Scuola Internazionale Superiore di Studi Avanzati
R. J. Davis - University of Manchester
P. de Bernardis - Sapienza University of Rome
G. de Gasperis - University of Rome Tor Vergata
A. de Rosa - National Institute for Astrophysics
G. de Zotti - Osservatorio Astronomico di Padova
J. Delabrouille - Sorbonne Paris Cité
J. Démoclès - Délégation Paris 7
F.-X. Désert - Institut de Planétologie et d'Astrophysique de Grenoble
C. Dickinson - University of Manchester
J. M. Diego - Instituto de Física de Cantabria
K. Dolag - Max Planck Institute for Astrophysics
H. Dole - Université Paris-Sud
S. Donzelli - National Institute for Astrophysics
O. Doré - California Institute of Technology
U. Dörl - Max Planck Institute for Astrophysics
M. Douspis - Institut d'Astrophysique Spatiale
X. Dupac - European Space Astronomy Centre
T. A. Enßlin - Max Planck Institute for Astrophysics
H. K. Eriksen - University of Oslo
F. Finelli - National Institute for Astrophysics
I. Flores-Cacho - Roche (France)
O. Forni - Roche (United States)
M. Frailis - Trieste Astronomical Observatory
E. Franceschi - National Institute for Astrophysics
M. Frommert - University of Geneva
S. Galeotta - Trieste Astronomical Observatory
K. Ganga - Sorbonne Paris Cité
R. T. Génova-Santos - Instituto de Astrofísica de Canarias
M. Giard - Roche (France)
M. Gilfanov - Max Planck Institute for Astrophysics
J. González-Nuevo - Scuola Internazionale Superiore di Studi Avanzati
K. M. Górski - University of Warsaw
A. Gregorio - University of Trieste
A. Gruppuso - National Institute for Astrophysics
F. K. Hansen - University of Oslo
D. Harrison - University of Cambridge
S. Henrot-Versillé - Université Paris-Sud
C. Hernández-Monteagudo - Centro de Estudios de Física del Cosmos de Aragón
S. R. Hildebrandt - California Institute of Technology
E. Hivon - Institut d'Astrophysique de Paris
M. Hobson - University of Cambridge
W. A. Holmes - Jet Propulsion Laboratory
A. Hornstrup - Technical University of Denmark
W. Hovest - Max Planck Institute for Astrophysics
K. M. Huffenberger - University of Miami
G. Hurier - Université Joseph Fourier
T. R. Jaffe - Roche (France)
T. Jagemann - European Space Astronomy Centre
W. C. Jones - Princeton University
M. Juvela - Helsinki Institute of Physics
E. Keihänen - Helsinki Institute of Physics
I. Khamitov - TÜBİTAK National Observatory
R. Kneissl - European Southern Observatory
J. Knoche - Max Planck Institute for Astrophysics
L. Knox - Department of Physics, University of California, One Shields Avenue, Davis, California, USA
M. Kunz - Département de Physique Théorique, Université de Genève, 24 Quai E. Ansermet,1211 Genève 4, Switzerland
H. Kurki-Suonio - University of Helsinki
G. Lagache - Institut d'Astrophysique Spatiale
A. Lähteenmäki - Aalto University
J.-M. Lamarre - LERMA, CNRS, Observatoire de Paris, 61 avenue de l’Observatoire, Paris, France
A. Lasenby - University of Cambridge
C. R. Lawrence - Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, California, USA
M. Le Jeune - Sorbonne Paris Cité
R. Leonardi - European Space Agency, ESAC, Planck Science Office, Camino bajo del Castillo s/n, Urbanización Villafranca del Castillo, Villanueva de la Cañada, Madrid, Spain
P. B. Lilje - University of Oslo
M. Linden-Vørnle - Technical University of Denmark
M. López-Caniego - Instituto de Física de Cantabria (CSIC-Universidad de Cantabria), Avda. de los Castros s/n, Santander, Spain
P. M. Lubin - University of California, Santa Barbara
J. F. Macías-Pérez - Laboratoire de Physique Subatomique et de Cosmologie, Université Joseph Fourier Grenoble I, CNRS/IN2P3, Institut National Polytechnique de Grenoble, 53 rue des Martyrs, 38026 Grenoble Cedex, France
B. Maffei - University of Manchester
D. Maino - University of Milan
N. Mandolesi - Agenzia Spaziale Italiana
M. Maris - INAF – Osservatorio Astronomico di Trieste, via G.B. Tiepolo 11, Trieste, Italy
F. Marleau - Universität Innsbruck
E. Martínez-González - Instituto de Física de Cantabria (CSIC-Universidad de Cantabria), Avda. de los Castros s/n, Santander, Spain
S. Masi - Dipartimento di Fisica, Università La Sapienza, P.le A. Moro 2, Roma, Italy
M. Massardi - INAF, Istituto di Radioastronomia, via P. Gobetti 101, 40129 Bologna, Italy
S. Matarrese - University of Padua
F. Matthai - Max Planck Institute for Astrophysics
P. Mazzotta - Scientifica (United Kingdom)
S. Mei - California Institute of Technology, Pasadena, California, USA
A. Melchiorri - Dipartimento di Fisica, Università La Sapienza, P.le A. Moro 2, Roma, Italy
J.-B. Melin - CEA Paris-Saclay
L. Mendes - European Space Agency, ESAC, Planck Science Office, Camino bajo del Castillo s/n, Urbanización Villafranca del Castillo, Villanueva de la Cañada, Madrid, Spain
A. Mennella - University of Milan
S. Mitra - IUCAA, Post Bag 4, Ganeshkhind, Pune University Campus, 411 007 Pune, India
M.-A. Miville-Deschênes - University of Toronto
A. Moneti - Institut d'Astrophysique de Paris
L. Montier - CNRS, IRAP, 9 Av. colonel Roche, BP 44346, 31028 Toulouse Cedex 4, France
G. Morgante - INAF/IASF Bologna, via Gobetti 101, Bologna, Italy
D. Munshi - Cardiff University
J. A. Murphy - National University of Ireland
P. Naselsky - Milton J. Rubenstein Museum of Science and Technology
P. Natoli - Agenzia Spaziale Italiana
H. U. Nørgaard-Nielsen - Technical University of Denmark
F. Noviello - University of Manchester
D. Novikov - Imperial College London
I. Novikov - Niels Bohr Institute, Blegdamsvej 17, Copenhagen, Denmark
S. Osborne - Stanford University
F. Pajot - Institut d'Astrophysique Spatiale
D. Paoletti - INAF/IASF Bologna, via Gobetti 101, Bologna, Italy
O. Perdereau - Université Paris-Sud
F. Perrotta - SISSA, Astrophysics Sector, via Bonomea 265, 34136, Trieste, Italy
F. Piacentini - Dipartimento di Fisica, Università La Sapienza, P.le A. Moro 2, Roma, Italy
M. Piat - Sorbonne Paris Cité
E. Pierpaoli - Department of Physics and Astronomy, Dana and David Dornsife College of Letter, Arts and Sciences, University of Southern California, Los Angeles, CA 90089, USA
R. Piffaretti - CEA Paris-Saclay
S. Plaszczynski - Université Paris-Sud
E. Pointecouteau - CNRS, IRAP, 9 Av. colonel Roche, BP 44346, 31028 Toulouse Cedex 4, France
G. Polenta - Agenzia Spaziale Italiana
N. Ponthieu - Institut de Planétologie et d'Astrophysique de Grenoble
L. Popa - Institute for Space Sciences, Bucharest-Magurale, Romania
T. Poutanen - Aalto University
G. W. Pratt - CEA Paris-Saclay
S. Prunet - Institut d'Astrophysique de Paris
J.-L. Puget - Institut d'Astrophysique Spatiale
J. P. Rachen - Radboud University Nijmegen
R. Rebolo - Consejo Superior de Investigaciones Científicas (CSIC), Madrid, Spain
M. Reinecke - Max Planck Institute for Astrophysics
M. Remazeilles - Sorbonne Paris Cité
C. Renault - Laboratoire de Physique Subatomique et de Cosmologie, Université Joseph Fourier Grenoble I, CNRS/IN2P3, Institut National Polytechnique de Grenoble, 53 rue des Martyrs, 38026 Grenoble Cedex, France
S. Ricciardi - INAF/IASF Bologna, via Gobetti 101, Bologna, Italy
T. Riller - Max Planck Institute for Astrophysics
I. Ristorcelli - CNRS, IRAP, 9 Av. colonel Roche, BP 44346, 31028 Toulouse Cedex 4, France
G. Rocha - California Institute of Technology, Pasadena, California, USA
M. Roman - Sorbonne Paris Cité
C. Rosset - Sorbonne Paris Cité
M. Rossetti - University of Milan
J. A. Rubiño-Martín - Dpto. Astrofísica, Universidad de La Laguna (ULL), 38206 La Laguna, Tenerife, Spain
L. Rudnick - University of Minnesota
B. Rusholme - Infrared Processing and Analysis Center
M. Sandri - INAF/IASF Bologna, via Gobetti 101, Bologna, Italy
G. Savini - Optical Science Laboratory, University College London, Gower Street, London, UK
B. M. Schaefer - Heidelberg University
D. Scott - University of British Columbia
G. F. Smoot - Sorbonne Paris Cité
F. Stivoli - Laboratoire de Recherche en Informatique
R. Sudiwala - Cardiff University
R. Sunyaev - Max Planck Institute for Astrophysics
D. Sutton - University of Cambridge
A.-S. Suur-Uski - University of Helsinki
J.-F. Sygnet - Institut d'Astrophysique de Paris
J. A. Tauber - European Space Agency, ESTEC, Keplerlaan 1, 2201 AZ Noordwijk, The Netherlands
L. Terenzi - INAF/IASF Bologna, via Gobetti 101, Bologna, Italy
L. Toffolatti - Departamento de Física, Universidad de Oviedo, Avda. Calvo Sotelo s/n, Oviedo, Spain
M. Tomasi - INAF/IASF Milano, via E. Bassini 15, Milano, Italy
M. Tristram - Université Paris-Sud
J. Tuovinen - VTT Technical Research Centre of Finland
M. Türler - University of Geneva
G. Umana - Osservatorio Astrofisico di Catania
L. Valenziano - INAF/IASF Bologna, via Gobetti 101, Bologna, Italy
B. Van Tent - Laboratoire de Physique Théorique, Université Paris-Sud 11 & CNRS, Bâtiment 210, 91405 Orsay, France
J. Varis - VTT Technical Research Centre of Finland
P. Vielva - Instituto de Física de Cantabria (CSIC-Universidad de Cantabria), Avda. de los Castros s/n, Santander, Spain
F. Villa - INAF/IASF Bologna, via Gobetti 101, Bologna, Italy
N. Vittorio - Scientifica (United Kingdom)
L. A. Wade - Jet Propulsion Laboratory, California Institute of Technology, 4800 Oak Grove Drive, Pasadena, California, USA
B. D. Wandelt - University of Illinois Urbana-Champaign
N. Welikala - Institut d'Astrophysique Spatiale
S. D. M. White - Max Planck Institute for Astrophysics
D. Yvon - CEA Paris-Saclay
A. Zacchei - INAF – Osservatorio Astronomico di Trieste, via G.B. Tiepolo 11, Trieste, Italy
S. Zaroubi - University of Groningen
A. Zonca - University of California, Santa Barbara
Resource Type: Journal article
Publication Details: Astronomy and astrophysics (Berlin), Vol.554, A140
DOI: 10.1051/0004-6361/201220247
ISSN: 0004-6361
eISSN: 1432-0746
Publisher: EDP Sciences
Number of pages: 19
Language: English
Date published: 06/2013
Academic Unit: Physics and Astronomy
Record Identifier: 9984428809902771

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