MC2 : galaxy imaging and redshift analysis of the merging cluster Ciza J2242.8+5301

Dawson, William A.; Jee, M. James; Stroe, Andra; Ng, Y. Karen; Golovich, Nathan; Wittman, David; Sobral, David; Brüggen, M.; Röttgering, H. J.  A.; van Weeren, R. J.

doi:10.1088/0004-637X/805/2/143

Title: MC² : galaxy imaging and redshift analysis of the merging cluster Ciza J2242.8+5301

Journal Article · Thu May 28 00:00:00 EDT 2015 · The Astrophysical Journal (Online)

DOI: https://doi.org/10.1088/0004-637X/805/2/143 · OSTI ID:1408074

^[1]; Jee, M. James ^[2]; Stroe, Andra ^[3]; Ng, Y. Karen ^[2]; Golovich, Nathan ^[2]; Wittman, David ^[2]; Sobral, David ^[4]; Brüggen, M. ^[5]; Röttgering, H. J. A. ^[3];

^[6]

Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Univ. of California, Davis, CA (United States)
Leiden Univ. (Netherlands)
Leiden Univ. (Netherlands); Univ. of Lisbon (Portugal). Centro de Astronomia e Astrofisica
Univ. of Hamburg (Germany)
Harvard-Smithsonian Center for Astrophysics, Cambridge, MA (United States)

X-ray and radio observations of CIZA J2242.8+5301 suggest that it is a major cluster merger. Despite being well studied in the X-ray, and radio, little has been presented on the cluster structure and dynamics inferred from its galaxy population. We carried out a deep (i < 25) broad band imaging survey of the system with Subaru SuprimeCam (g & i bands) and the Canada France Hawaii Telescope (r band) as well as a comprehensive spectroscopic survey of the cluster area (505 redshifts) using Keck DEIMOS. We use this data to perform a comprehensive galaxy/redshift analysis of the system, which is the first step to a proper understanding the geometry and dynamics of the merger, as well as using the merger to constrain self-interacting dark matter.

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Research Organization:: Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: AC52-07NA27344

OSTI ID:: 1408074

Report Number(s):: LLNL--JRNL-661846

Journal Information:: The Astrophysical Journal (Online), Journal Name: The Astrophysical Journal (Online) Journal Issue: 2 Vol. 805; ISSN 1538-4357

Publisher:: Institute of Physics (IOP)Copyright Statement

Country of Publication:: United States

Language:: English

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Deep LOFAR observations of the merging galaxy cluster CIZA J2242.8+5301 Hoang, D. N.; Shimwell, T. W.; Stroe, A. Monthly Notices of the Royal Astronomical Society, Vol. 471, Issue 1 https://doi.org/10.1093/mnras/stx1645	journal	June 2017
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Merging Cluster Collaboration: Optical and Spectroscopic Survey of a Radio-selected Sample of 29 Merging Galaxy Clusters Golovich, N.; Dawson, W. A.; Wittman, D. M. The Astrophysical Journal Supplement Series, Vol. 240, Issue 2 https://doi.org/10.3847/1538-4365/aaf88b	journal	February 2019
Make Dark Matter Charged Again Agrawal, Prateek; Cyr-Racine, Francis-Yan; Randall, Lisa arXiv https://doi.org/10.48550/arxiv.1610.04611	text	January 2016
The Case for Electron Re-Acceleration at Galaxy Cluster Shocks van Weeren, Reinout J.; Andrade-Santos, Felipe; Dawson, William A. arXiv https://doi.org/10.48550/arxiv.1701.01439	text	January 2017
Deep LOFAR observations of the merging galaxy cluster CIZA J2242.8+5301 Hoang, D. N.; Shimwell, T. W.; Stroe, A. arXiv https://doi.org/10.48550/arxiv.1706.09903	text	January 2017
Merging Cluster Collaboration: A Panchromatic Atlas of Radio Relic Mergers Golovich, Nathan; Dawson, William A.; Wittman, David M. arXiv https://doi.org/10.48550/arxiv.1806.10619	text	January 2018

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