RELICS: Strong Lensing Analysis of the Galaxy Clusters Abell S295, Abell 697, MACS J0025.4-1222, and MACS J0159.8-0849
نویسندگان
چکیده
منابع مشابه
Gravitational Lensing in Galaxy Cluster Abell 1689
Synopsis In this thesis we have set out to study the galaxy cluster Abell 1689 using strong grav-itational lensing. Due to its relative closeness at redshift 0.18 and available archived deep Hubble Space Telescope imaging it presents an ideal opportunity to several diverse studies based on strong gravitational lensing. We start with a brief introduction to cosmology and general relativity as we...
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We present a strong-lensing (SL) analysis of the galaxy cluster MACS J1319.9+7003 (z=0.33, also known as Abell 1722), as part of our ongoing effort to analyze massive clusters with archival Hubble Space Telescope (HST) imaging. We spectroscopically measured with Keck/Multi-Object Spectrometer For Infra-Red Exploration (MOSFIRE) two galaxies multiply imaged by the cluster. Our analysis reveals...
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Context. Dusty star-forming galaxies are among the most prodigious systems at high redshift (z > 1), characterized by high starformation rates and huge dust reservoirs. The bright end of this population has been well characterized in recent years, but considerable uncertainties remain for fainter dusty star-forming galaxies, which are responsible for the bulk of star formation at high redshift ...
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We measure the mass distribution of galaxy cluster Abell 1689 within 0.3 Mpc/h70 of the cluster centre using its strong lensing effect on 32 background galaxies, which are mapped in altogether 107 multiple images. The multiple images are based on those of Broadhurst et al. (2005a) with modifications to both include new and exclude some of the original image systems. The cluster profile is explo...
متن کاملSTRONG-LENSING ANALYSIS OF THE POWERFUL LENSING CLUSTER MACS J2135.2-0102 (z=0.33)
We present a light-traces-mass (LTM) strong-lensing model of the massive lensing cluster MACS J2135.2-0102 (z=0.33; hereafter MACS2135), known in part for hosting the cosmic eye galaxy lens. MACS2135 is also known to multiplylens a z=2.3 sub-millimeter galaxy near the brightest cluster galaxy (BCG), as well as a prominent, triply imaged system at a large radius of ∼37′′ south of the BCG. W...
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ژورنال
عنوان ژورنال: The Astrophysical Journal
سال: 2018
ISSN: 1538-4357
DOI: 10.3847/1538-4357/aad2d3