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Evidence of galaxy cluster motions with the kinematic Sunyaev-Zel'dovich effect

  • Nick Hand
  • , Graeme E. Addison
  • , Eric Aubourg
  • , Nick Battaglia
  • , Elia S. Battistelli
  • , Dmitry Bizyaev
  • , J. Richard Bond
  • , Howard Brewington
  • , Jon Brinkmann
  • , Benjamin R. Brown
  • , Sudeep Das
  • , Kyle S. Dawson
  • , Mark J. Devlin
  • , Joanna Dunkley
  • , Rolando Dunner
  • , Daniel J. Eisenstein
  • , Joseph W. Fowler
  • , Megan B. Gralla
  • , Amir Hajian
  • , Mark Halpern
  • Matt Hilton, Adam D. Hincks, Renée Hlozek, John P. Hughes, Leopoldo Infante, Kent D. Irwin, Arthur Kosowsky, Yen Ting Lin, Elena Malanushenko, Viktor Malanushenko, Tobias A. Marriage, Danica Marsden, Felipe Menanteau, Kavilan Moodley, Michael D. Niemack, Michael R. Nolta, Daniel Oravetz, Lyman A. Page, Nathalie Palanque-Delabrouille, Kaike Pan, Erik D. Reese, David J. Schlegel, Donald P. Schneider, Neelima Sehgal, Alaina Shelden, Jon Sievers, Cristóbal Sifón, Audrey Simmons, Stephanie Snedden, David N. Spergel, Suzanne T. Staggs, Daniel S. Swetz, Eric R. Switzer, Hy Trac, Benjamin A. Weaver, Edward J. Wollack, Christophe Yeche, Caroline Zunckel
  • University of California at Berkeley
  • Princeton University
  • University of Oxford
  • Université Paris Cité
  • Carnegie Mellon University
  • University of Rome La Sapienza
  • New Mexico State University
  • University of Toronto
  • University of Pittsburgh
  • Lawrence Berkeley National Laboratory
  • University of Utah
  • University of Pennsylvania
  • Pontificia Universidad Católica de Chile
  • Harvard College Observatory
  • National Institute of Standards and Technology
  • Johns Hopkins University
  • University of British Columbia
  • University of Nottingham
  • Rutgers - The State University of New Jersey, New Brunswick
  • Academia Sinica - Institute of Astronomy and Astrophysics
  • University of California at Santa Barbara
  • University of KwaZulu-Natal
  • Centre d'Etudes de Saclay
  • Pennsylvania State University
  • New York University
  • NASA Goddard Space Flight Center

Research output: Contribution to journalArticlepeer-review

238 Scopus citations

Abstract

Using high-resolution microwave sky maps made by the Atacama Cosmology Telescope, we for the first time present strong evidence for motions of galaxy clusters and groups via microwave background temperature distortions due to the kinematic Sunyaev-Zel'dovich effect. Galaxy clusters are identified by their constituent luminous galaxies observed by the Baryon Oscillation Spectroscopic Survey, part of the Sloan Digital Sky Survey III. We measure the mean pairwise momentum of clusters, with a probability of the signal being due to random errors of 0.002, and the signal is consistent with the growth of cosmic structure in the standard model of cosmology.

Original languageEnglish
Article number041101
JournalPhysical Review Letters
Volume109
Issue number4
DOIs
StatePublished - Jul 23 2012

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