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42 papers
RELICS: A Very Large () Cluster Lens -- RXC J0032.1+1808
Ana Acebron, Adi Zitrin, Dan Coe +38
Extensive surveys with the \textit{Hubble Space Telescope} (HST) over the past decade, targeting some of the most massive clusters in the sky, have uncovered dozens of galaxy-clust…
Hubble Frontier Field Photometric Catalogues of Abell 370 and RXC J2248.7-4431: Multiwavelength photometry, photometric redshifts, and stellar properties
Marusa Bradac, Kuang-Han Huang, Marco Castellano +15
This paper presents multiwavelength photometric catalogues of the last two Hubble Frontier Fields (HFF), the massive galaxy clusters Abell 370 and RXC J2248.7-4431. The photometry…
Stellar Properties of z ~ 8 Galaxies in the Reionization Lensing Cluster Survey
Victoria Strait, Marusa Bradac, Dan Coe +18
Measurements of stellar properties of galaxies when the universe was less than one billion years old yield some of the only observational constraints of the onset of star formation…
RELICS: Reionization Lensing Cluster Survey
Dan Coe, Brett Salmon, Marusa Bradac +54
Large surveys of galaxy clusters with the Hubble and Spitzer Space Telescopes, including CLASH and the Frontier Fields, have demonstrated the power of strong gravitational lensing…
RELICS: Strong Lensing Analysis of MACS J0417.5-1154 and Predictions for Observing the Magnified High-Redshift Universe with JWST
Guillaume Mahler, Keren Sharon, Carter Fox +37
Strong gravitational lensing by clusters of galaxies probes the mass distribution at the core of each cluster and magnifies the universe behind it. MACS J0417.5-1154 at z=0.443 is…
RELICS: High-Resolution Constraints on the Inner Mass Distribution of the z=0.83 Merging Cluster RXJ0152.7-1357 from strong lensing
Ana Acebron, May Alon, Adi Zitrin +37
Strong gravitational lensing (SL) is a powerful means to map the distribution of dark matter. In this work, we perform a SL analysis of the prominent X-ray cluster RXJ0152.7-1357 (…
Mass Modeling of Frontier Fields Cluster MACS J1149.5+2223 Using Strong and Weak Lensing
Emily Quinn Finney, Maruša Bradač, Kuang-Han Huang +8
We present a gravitational lensing model of MACS J1149.5+2223 using ultra-deep Hubble Frontier Fields imaging data and spectroscopic redshifts from HST grism and VLT/MUSE spectrosc…
RELICS: Strong-lensing analysis of the massive clusters MACS J0308.9+2645 and PLCK G171.9-40.7
Ana Acebron, Nathália Cibirka, Adi Zitrin +37
Strong gravitational lensing by galaxy clusters has become a powerful tool for probing the high-redshift Universe, magnifying distant and faint background galaxies. Reliable strong…
RELICS: A Strong Lens Model for SPT-CLJ0615-5746, a z=0.972 Cluster
Rachel Paterno-Mahler, Keren Sharon, Dan Coe +30
We present a lens model for the cluster SPT-CLJ06155746, which is the highest redshift () system in the Reionization of Lensing Clusters Survey (RELICS), making it the…
RELICS: Strong Lensing analysis of the galaxy clusters Abell S295, Abell 697, MACS J0025.4-1222, and MACS J0159.8-0849
Nathália Cibirka, Ana Acebron, Adi Zitrin +37
We present a strong-lensing analysis of four massive galaxy clusters imaged with the Hubble Space Telescope in the Reionization Lensing Cluster Survey. We use a Light-Traces-Mass t…
A Candidate Galaxy Strongly Lensed into a Spatially Resolved Arc
Brett Salmon, Dan Coe, Larry Bradley +27
The most distant galaxies known are at z~10-11, observed 400-500 Myr after the Big Bang. The few z~10-11 candidates discovered to date have been exceptionally small- barely resolve…
RELICS: Strong Lens Models for Five Galaxy Clusters From the Reionization Lensing Cluster Survey
Catherine Cerny, Keren Sharon, Felipe Andrade-Santos +31
Strong gravitational lensing by galaxy clusters magnifies background galaxies, enhancing our ability to discover statistically significant samples of galaxies at z>6, in order to c…
The Reionization Lensing Cluster Survey (RELICS) and the Brightest High-z Galaxies
Brett Salmon, Dan Coe, Larry Bradley +31
Massive foreground galaxy clusters magnify and distort the light of objects behind them, permitting a view into both the extremely distant and intrinsically faint galaxy population…
Spectroscopic confirmation of an ultra-faint galaxy at the epoch of reionization
Austin Hoag, Maruša Bradač, Michele Trenti +11
Within one billion years of the Big Bang, intergalactic hydrogen was ionized by sources emitting ultraviolet and higher energy photons. This was the final phenomenon to globally af…
Relations Between the Sizes of Galaxies and their Dark Matter Halos at Redshifts
Kuang-Han Huang, S. Michael Fall, Henry C. Ferguson +6
We derive relations between the effective radii of galaxies and the virial radii of their dark matter halos over the redshift range . For galax…
The Grism Lens-Amplified Survey from Space (GLASS) X. Sub-kpc resolution gas-phase metallicity maps at cosmic noon behind the Hubble Frontier Fields cluster MACS1149.6+2223
Xin Wang, Tucker A. Jones, Tommaso Treu +17
(Abridged) We combine deep HST grism spectroscopy with a new Bayesian method to derive maps of gas-phase metallicity, nebular dust extinction, and star-formation rate for 10 star-f…
First Results from the KMOS Lens-Amplified Spectroscopic Survey (KLASS): Kinematics of Lensed Galaxies at Cosmic Noon
Charlotte A. Mason, Tommaso Treu, Adriano Fontana +11
We present the first results of the KMOS Lens-Amplified Spectroscopic Survey (KLASS), a new ESO Very Large Telescope (VLT) large program, doing multi-object integral field spectros…
ALMA [CII] detection of a redshift 7 lensed galaxy behind RXJ1347.1-1145
Maruša Bradač, Diego Garcia-Appadoo, Kuang-Han Huang +13
We present the results of ALMA spectroscopic follow-up of a Lyman- emitting galaxy behind the cluster RXJ1347-1145. We report the detection of [CII]158m line fully…
H0LiCOW III. Quantifying the effect of mass along the line of sight to the gravitational lens HE 0435-1223 through weighted galaxy counts
Cristian E. Rusu, Christopher D. Fassnacht, Dominique Sluse +8
Based on spectroscopy and multiband wide-field observations of the gravitationally lensed quasar HE 0435-1223, we determine the probability distribution function of the external co…
The Grism Lens-Amplified Survey from Space (GLASS). IX. The dual origin of low-mass cluster galaxies as revealed by new structural analyses
Takahiro Morishita, Louis E. Abramson, Tommaso Treu +10
Using deep Hubble Frontier Fields imaging and slitless spectroscopy from the Grism Lens-Amplified Survey from Space, we analyze 2200 cluster and 1748 field galaxies at $0.2\leq z\l…
Detection of Lyman-Alpha Emission From a Triple Imaged z=6.85 Galaxy Behind MACS J2129.4-0741
Kuang-Han Huang, Brian C. Lemaux, Kasper B. Schmidt +13
We report the detection of Ly emission at Å in the Keck/DEIMOS and \HST WFC3 G102 grism data from a triply-imaged galaxy at behind galaxy cluster MAC…
The Grism Lens-Amplified Survey from Space (GLASS). V. Extent and spatial distribution of star formation in z~0.5 cluster galaxies
Benedetta Vulcani, Tommaso Treu, Kasper B. Schmidt +14
We present the first study of the spatial distribution of star formation in z~0.5 cluster galaxies. The analysis is based on data taken with the Wide Field Camera 3 as part of the…
Spitzer UltRa Faint SUrvey Program (SURFS UP). II. IRAC-Detected Lyman-Break Galaxies at 6 < z < 10 Behind Strong-Lensing Clusters
Kuang-Han Huang, Maruša Bradač, Brian C. Lemaux +15
We study the stellar population properties of the IRAC-detected galaxy candidates from the Spitzer UltRa Faint SUrvey Program (SURFS UP). Using the Lyman…
Deconstructing the Galaxy Stellar Mass Function with UKIDSS and CANDELS: the Impact of Colour, Structure and Environment
Alice Mortlock, Christopher. J. Conselice, William G. Hartley +15
We combine photometry from the UDS, and CANDELS UDS and CANDELS GOODS-S surveys to construct the galaxy stellar mass function probing both the low and high mass end accurately in t…