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

Journal Article · · The Astrophysical Journal (Online)
ORCiD logo [1];  [2];  [3];  [2];  [2];  [2];  [4];  [5];  [3]; ORCiD logo [6]
  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  2. Univ. of California, Davis, CA (United States)
  3. Leiden Univ. (Netherlands)
  4. Leiden Univ. (Netherlands); Univ. of Lisbon (Portugal). Centro de Astronomia e Astrofisica
  5. Univ. of Hamburg (Germany)
  6. 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.

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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Diffuse Radio Emission from Galaxy Clusters journal February 2019
The case for electron re-acceleration at galaxy cluster shocks journal January 2017
Make dark matter charged again journal May 2017
Deep LOFAR observations of the merging galaxy cluster CIZA J2242.8+5301 journal June 2017
MC 2 : Multiwavelength and Dynamical Analysis of the Merging Galaxy Cluster ZwCl 0008.8+5215: An Older and Less Massive Bullet Cluster journal March 2017
MC 2 : A Deeper Look at ZwCl 2341.1+0000 with Bayesian Galaxy Clustering and Weak Lensing Analyses journal May 2017
Simulated Analogs of Merging Galaxy Clusters Constrain the Viewing Angle journal August 2018
Deep Very Large Array Observations of the Merging Cluster CIZA J2242.8+5301: Continuum and Spectral Imaging journal September 2018
Merging Cluster Collaboration: A Panchromatic Atlas of Radio Relic Mergers journal September 2019
Dynamical Properties of Merging Galaxy Clusters from Simulated Analogs journal August 2019
Merging Cluster Collaboration: Optical and Spectroscopic Survey of a Radio-selected Sample of 29 Merging Galaxy Clusters journal February 2019
Make Dark Matter Charged Again text January 2016
The Case for Electron Re-Acceleration at Galaxy Cluster Shocks text January 2017
Deep LOFAR observations of the merging galaxy cluster CIZA J2242.8+5301 text January 2017
Merging Cluster Collaboration: A Panchromatic Atlas of Radio Relic Mergers text January 2018