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    RELICS: High-resolution Constraints on the Inner Mass Distribution of the z = 0.83 Merging Cluster RXJ0152.7-1357 from Strong Lensing

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    Acebron_2019_ApJ_874_132.pdf
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    Final Published version
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    Author
    Acebron, Ana
    Alon, May
    Zitrin, Adi
    Mahler, Guillaume
    Coe, Dan
    Sharon, Keren
    Cibirka, Nathália
    Bradač, Maruša
    Trenti, Michele
    Umetsu, Keiichi
    Andrade-Santos, Felipe
    Avila, Roberto J.
    Bradley, Larry
    Carrasco, Daniela
    Cerny, Catherine
    Czakon, Nicole G.
    Dawson, William A.
    Frye, Brenda
    Hoag, Austin T.
    Huang, Kuang-Han
    Johnson, Traci L.
    Jones, Christine
    Kikuchihara, Shotaro
    Lam, Daniel
    Livermore, Rachael C.
    Lovisari, Lorenzo
    Mainali, Ramesh cc
    Oesch, Pascal A.
    Ogaz, Sara
    Ouchi, Masami
    Past, Matthew
    Paterno-Mahler, Rachel
    Peterson, Avery
    Ryan, Russell E.
    Salmon, Brett cc
    Sendra-Server, Irene
    Stark, Daniel P.
    Strait, Victoria
    Toft, Sune
    Vulcani, Benedetta
    Show allShow less
    Affiliation
    Univ Arizona, Steward Observ, Dept Astron
    Issue Date
    2019-04-01
    Keywords
    galaxies: clusters: individual (RXJ0152.7-1357, CL0152.7-1357)
    galaxies: high-redshift
    gravitational lensing: strong
    
    Metadata
    Show full item record
    Publisher
    IOP PUBLISHING LTD
    Citation
    Ana Acebron et al 2019 ApJ 874 132
    Journal
    ASTROPHYSICAL JOURNAL
    Rights
    © 2019. The American Astronomical Society. All rights reserved.
    Collection Information
    This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.
    Abstract
    Strong gravitational lensing (SL) is a powerful means of mapping the distribution of dark matter. In this work, we perform an SL analysis of the prominent X-ray cluster RXJ0152.7-1357 (z = 0.83, also known as CL0152.7-1357) in Hubble Space Telescope images, taken in the framework of the Reionization Lensing Cluster Survey (RELICS). On top of a previously known z = 3.93 galaxy multiply imaged by RXJ0152.7-1357, for which we identify an additional multiple image, guided by a light-traces-mass approach, we identify seven new sets of multiply imaged background sources lensed by this cluster, spanning the redshift range [1.79-3.93]. A total of 25 multiple images are seen over a small area of similar to 0.4 arcmin(2), allowing us to put relatively high-resolution constraints on the inner matter distribution. Although modestly massive, the high degree of substructure, together with its very elongated shape, makes RXJ0152.7-1357 a very efficient lens for its size. This cluster also comprises the third-largest sample of z similar to 6-7 candidates in the RELICS survey. Finally, we present a comparison of our resulting mass distribution and magnification estimates with those from a Lenstool model. These models are made publicly available through the Mikulski Archive for Space Telescopes.
    ISSN
    1538-4357
    DOI
    10.3847/1538-4357/ab0adf
    Version
    Final published version
    Sponsors
    RELICS Treasury Program [GO-14096]; NASA through the Space Telescope Science Institute [GO-14096]; NASA [NAS5-26555]; U.S. Department of Energy [DE-AC52-07NA27344]; Ministry of Science and Technology of Taiwan [MOST 106-2628-M-001-003-MY3]; Australian Research Council Discovery Early Career Researcher Award [DE180101240]; Australian Research Council Centre of Excellence for All-Sky Astrophysics in 3 Dimensions (ASTRO-3D); ERC Consolidator Grant funding scheme (project ConTExt) [648179]; Danish National Research Foundation
    Additional Links
    https://iopscience.iop.org/article/10.3847/1538-4357/ab0adf/meta
    ae974a485f413a2113503eed53cd6c53
    10.3847/1538-4357/ab0adf
    Scopus Count
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    UA Faculty Publications

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