2016
DOI: 10.3847/0004-637x/817/1/24
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Frontier Fields: Subaru Weak-Lensing Analysis of the Merging Galaxy Cluster A2744*

Abstract: We present a weak-lensing analysis of the merging Frontier Fields (FF) cluster Abell 2744 using new Subaru/Suprime-Cam imaging. The wide-field lensing mass distribution reveals this cluster is comprised of four distinct substructures. Simultaneously modeling the two-dimensional reduced shear field using a combination of a Navarro-Frenk-White (NFW) model for the main core and truncated NFW models for the subhalos, we determine their masses and locations. The total mass of the system is constrained as M 200c = (… Show more

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Cited by 96 publications
(144 citation statements)
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“…Finally, we identify a patch of diffuse emission north of the radio halo (labelled R4 in It covers a much smaller area than the other diffuse sources (50 × 30 kpc 2 ). We do not find an optical counterpart to the source in the images from Medezinski et al (2016).…”
Section: Resultsmentioning
confidence: 87%
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“…Finally, we identify a patch of diffuse emission north of the radio halo (labelled R4 in It covers a much smaller area than the other diffuse sources (50 × 30 kpc 2 ). We do not find an optical counterpart to the source in the images from Medezinski et al (2016).…”
Section: Resultsmentioning
confidence: 87%
“…The relatively bright compact source at R. A.=3°. 4999688, decl.=−30°.3459524 has =  z 0.46 phot 0.05 (Medezinski et al 2016) and is thus likely a background object and not associated with R3.…”
Section: Diffuse Source R3mentioning
confidence: 99%
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