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RELICS: Strong Lens Models for Five Galaxy Clusters from the Reionization Lensing Cluster Survey

Journal Article · · The Astrophysical Journal (Online)
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  1. Univ. of Michigan, Ann Arbor, MI (United States). Dept. of Astronomy
  2. Harvard-Smithsonian Center for Astrophysics, Cambridge, MA (United States)
  3. Space Telescope Science Inst., Baltimore, MD (United States)
  4. Univ. of California, Davis, CA (United States). Dept. of Physics
  5. Univ. of Melbourne (Australia). School of Physics
  6. Academia Sinica, Taipei (Taiwan). Inst. of Astronomy and Astrophysics
  7. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  8. Univ. of Arizona, Tucson, AZ (United States). Dept. of Astronomy
  9. Leiden Univ. (Netherlands). Leiden Observatory
  10. Yale Univ., New Haven, CT (United States). Dept. of Astronomy
  11. Univ. of Michigan, Ann Arbor, MI (United States). Dept. of Astronomy; Univ. of California, Irvine, CA (United States). Dept. of Physics and Astronomy
  12. Univ. of South Carolina, Columbia, SC (United States). Dept. of Physics and Astronomy
  13. American School of Warsaw, Bielawa (Poland); Univ. of Basque Country, Bilbao (Spain). Dept. of Theoretical Physics
  14. Ben-Gurion Univ. of the Negev, Beer-Sheva (Israel). Physics Dept.
+ Show Author Affiliations

Strong gravitational lensing by galaxy clusters magnifies background galaxies, enhancing our ability to discover statistically significant samples of galaxies at $${\boldsymbol{z}}\gt 6$$, in order to constrain the high-redshift galaxy luminosity functions. In this study, we present the first five lens models out of the Reionization Lensing Cluster Survey (RELICS) Hubble Treasury Program, based on new HST WFC3/IR and ACS imaging of the clusters RXC J0142.9+4438, Abell 2537, Abell 2163, RXC J2211.7–0349, and ACT-CLJ0102–49151. The derived lensing magnification is essential for estimating the intrinsic properties of high-redshift galaxy candidates, and properly accounting for the survey volume. We report on new spectroscopic redshifts of multiply imaged lensed galaxies behind these clusters, which are used as constraints, and detail our strategy to reduce systematic uncertainties due to lack of spectroscopic information. In addition, we quantify the uncertainty on the lensing magnification due to statistical and systematic errors related to the lens modeling process, and find that in all but one cluster, the magnification is constrained to better than 20% in at least 80% of the field of view, including statistical and systematic uncertainties. The five clusters presented in this paper span the range of masses and redshifts of the clusters in the RELICS program. We find that they exhibit similar strong lensing efficiencies to the clusters targeted by the Hubble Frontier Fields within the WFC3/IR field of view. Outputs of the lens models are made available to the community through the Mikulski Archive for Space Telescopes.

Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA); National Aeronautic and Space Administration (NASA)
Grant/Contract Number:
AC52-07NA27344
OSTI ID:
1660520
Report Number(s):
LLNL-JRNL--748251; 933345
Journal Information:
The Astrophysical Journal (Online), Journal Name: The Astrophysical Journal (Online) Journal Issue: 2 Vol. 859; ISSN 1538-4357
Publisher:
Institute of Physics (IOP)Copyright Statement
Country of Publication:
United States
Language:
English

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Cited By (19)

The core of the massive cluster merger MACS J0417.5−1154 as seen by VLT/MUSE journal December 2018
Probability of magnification in the HubbleFrontier Fields clusters journal May 2019
An Evaluation of 10 Lensing Models of the Frontier Fields Cluster MACS J0416.1-2403 journal August 2018
RELICS: A Strong Lens Model for SPT-CLJ0615–5746, a z = 0.972 Cluster journal August 2018
RELICS: Strong Lensing Analysis of the Galaxy Clusters Abell S295, Abell 697, MACS J0025.4-1222, and MACS J0159.8-0849 journal August 2018
PLCK G165.7+67.0: Analysis of a Massive Lensing Cluster in a Hubble Space Telescope Census of Submillimeter Giant Arcs Selected Using Planck/Herschel journal January 2019
RELICS: Strong Lensing Analysis of MACS J0417.5–1154 and Predictions for Observing the Magnified High-redshift Universe with JWST journal March 2019
RELICS: High-resolution Constraints on the Inner Mass Distribution of the z = 0.83 Merging Cluster RXJ0152.7-1357 from Strong Lensing journal April 2019
Assembling a RELIC at Redshift 1: Spectroscopic Observations of Galaxies in the RELICS Cluster SPT-CLJ0615−5746 journal June 2019
Merging Cluster Collaboration: A Panchromatic Atlas of Radio Relic Mergers journal September 2019
RELICS: Reionization Lensing Cluster Survey journal October 2019
A New Einstein Cross Gravitational Lens of a Lyman-break Galaxy journal March 2019
RELICS: Strong Lensing analysis of the galaxy clusters Abell S295, Abell 697, MACS J0025.4-1222, and MACS J0159.8-0849 text January 2018
PLCK G165.7+67.0: Analysis of a Massive Lensing Cluster in a Hubble Space Telescope Census of Submillimeter Giant Arcs Selected Using Planck/Herschel text January 2018
RELICS: A Strong Lens Model for SPT-CLJ0615-5746, a z=0.972 Cluster text January 2018
Merging Cluster Collaboration: A Panchromatic Atlas of Radio Relic Mergers text January 2018
RELICS: Strong Lensing Analysis of MACS J0417.5-1154 and Predictions for Observing the Magnified High-Redshift Universe with JWST text January 2018
The core of the massive cluster merger MACS J0417.5-1154 as seen by VLT/MUSE text January 2018
A new Einstein Cross gravitational lens of a Lyman-break galaxy text January 2019

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Related Subjects

79 ASTRONOMY AND ASTROPHYSICS
ACT-CLJ0102-49151 – gravitational lensing: strong
Abell 2163
Abell 2537
RXC J2211.7-0349
galaxies: clusters: individual (RXC J0142.9+4438