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Combining Lens Distortion and Depletion to Map the Mass Distribution of A1689
Keiichi Umetsu, Tom Broadhurst
[Abridged] We derive a projected 2D mass map of the well studied galaxy cluster A1689 based on an entropy-regularized maximum-likelihood combination of the lens magnification and d…
Mass and Gas Profiles in A1689: Joint X-ray and Lensing Analysis
Doron Lemze, Rennan Barkana, Tom J. Broadhurst +1
We carry out a comprehensive joint analysis of high quality HST/ACS and Chandra measurements of A1689, from which we derive mass, temperature, X-ray emission and abundance profiles…
Discovery of a Ringlike Dark Matter Structure in the Core of the Galaxy Cluster Cl 0024+17
M. J. Jee, H. C. Ford, G. D. Illingworth +13
We present a comprehensive mass reconstruction of the rich galaxy cluster Cl 0024+17 at z~0.4 from ACS data, unifying both strong- and weak-lensing constraints. The weak-lensing si…
The Sextet Arcs: a Strongly Lensed Lyman Break Galaxy in the ACS Spectroscopic Galaxy Survey towards Abell 1689
B. L. Frye, D. Coe, D. V. Bowen +11
We present results of the HST Advanced Camera for Surveys spectroscopic ground-based redshift survey in the field of A1689. We measure 98 redshifts, increasing the number of spectr…