Rachel Paterno-Mahler
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View article: Where the Wild Things Are: Galaxy Evolution and Radio Source Properties in the High-z COBRA Survey
Where the Wild Things Are: Galaxy Evolution and Radio Source Properties in the High-z COBRA Survey Open
Building a map of galaxy cluster evolution requires clusters spanning a range of redshifts, masses, and dynamical and evolutionary states. One way to build this sample is with radio AGNs, which have long been used to trace clusters at high…
View article: RELICS: Properties of z ≥ 5.5 Galaxies Inferred from Spitzer and Hubble Imaging, Including A Candidate z ∼ 6.8 Strong [O iii] emitter
RELICS: Properties of z ≥ 5.5 Galaxies Inferred from Spitzer and Hubble Imaging, Including A Candidate z ∼ 6.8 Strong [O iii] emitter Open
We present constraints on the physical properties (including stellar mass, age, and star formation rate) of 207 6 ≲ z ≲ 8 galaxy candidates from the Reionization Lensing Cluster Survey (RELICS) and Spitzer-RELICS surveys. We measure photom…
View article: RELICS: A Candidate z~6.8 Strong [OIII] emitter and Other Properties of z>5.5 Galaxies Inferred from Spitzer and Hubble Imaging
RELICS: A Candidate z~6.8 Strong [OIII] emitter and Other Properties of z>5.5 Galaxies Inferred from Spitzer and Hubble Imaging Open
We present constraints on the physical properties (including stellar mass, age, and star formation rate) of 207 $6\lesssim z \lesssim8$ galaxy candidates from the Reionization Lensing Cluster Survey (RELICS) and companion Spitzer-RELICS su…
View article: RELICS: A Very Large (θ<sub>E</sub> ∼ 40″) Cluster Lens—RXC J0032.1+1808
RELICS: A Very Large (θ<sub>E</sub> ∼ 40″) Cluster Lens—RXC J0032.1+1808 Open
Extensive surveys with the Hubble Space Telescope over the past decade, targeting some of the most massive clusters in the sky, have uncovered dozens of galaxy cluster strong lenses. The massive cluster strong-lens scale is typically θ E ∼…
View article: RELICS: spectroscopy of gravitationally lensed <i>z</i> ≃ 2 reionization-era analogues and implications for C <scp>iii</scp>] detections at <i>z</i> &gt; 6
RELICS: spectroscopy of gravitationally lensed <i>z</i> ≃ 2 reionization-era analogues and implications for C <span>iii</span>] detections at <i>z</i> > 6 Open
Recent observations have revealed the presence of strong C iii] emission (EW$_{\rm {C\,{\small III}]}}\gt 20$ Å) in z > 6 galaxies, the origin of which remains unclear. In an effort to understand the nature of these line emitters, we ha…
View article: Strong Lens Models for 37 Clusters of Galaxies from the SDSS Giant Arcs Survey*
Strong Lens Models for 37 Clusters of Galaxies from the SDSS Giant Arcs Survey* Open
We present strong gravitational lensing models for 37 galaxy clusters from the Sloan Digital Sky Survey Giant Arcs Survey. We combine data from multi-band Hubble Space Telescope Wide Field Camera 3 (WFC3) imaging, with ground-based imaging…
View article: RELICS: The Reionization Lensing Cluster Survey and the Brightest High-z Galaxies
RELICS: The Reionization Lensing Cluster Survey and the Brightest High-z Galaxies Open
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 populations. We present here the candidate high-redshift galaxies fro…
View article: Stellar Properties of z ≳ 8 Galaxies in the Reionization Lensing Cluster Survey
Stellar Properties of z ≳ 8 Galaxies in the Reionization Lensing Cluster Survey Open
Measurements of stellar properties of galaxies when the universe was less than one billion years old yield some of the only observational constraints on the onset of star formation. We present here the inclusion of Spitzer /IRAC imaging in…
View article: The High-redshift Clusters Occupied by Bent Radio AGN (COBRA) Survey: Follow-up Optical Imaging
The High-redshift Clusters Occupied by Bent Radio AGN (COBRA) Survey: Follow-up Optical Imaging Open
Here we present new red sequence overdensity measurements for 77 fields in the high- z Clusters Occupied by Bent Radio AGN (COBRA) survey, based on r - and i -band imaging taken with the Lowell Observatory’s Discovery Channel Telescope. We…
View article: RELICS: Reionization Lensing Cluster Survey
RELICS: Reionization Lensing Cluster Survey Open
Large surveys of galaxy clusters with the Hubble Space Telescope ( HST ) and Spitzer , including the Cluster Lensing And Supernova survey with Hubble and the Frontier Fields, have demonstrated the power of strong gravitational lensing to e…
View article: RELICS: High-resolution Constraints on the Inner Mass Distribution of the z = 0.83 Merging Cluster RXJ0152.7-1357 from Strong Lensing
RELICS: High-resolution Constraints on the Inner Mass Distribution of the z = 0.83 Merging Cluster RXJ0152.7-1357 from Strong Lensing Open
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 Spac…
View article: RELICS: Strong Lensing Analysis of MACS J0417.5–1154 and Predictions for Observing the Magnified High-redshift Universe with JWST
RELICS: Strong Lensing Analysis of MACS J0417.5–1154 and Predictions for Observing the Magnified High-redshift Universe with JWST Open
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 one of the most massive clusters known based on weak lens…
View article: RELICS: A Candidate z ∼ 10 Galaxy Strongly Lensed into a Spatially Resolved Arc
RELICS: A Candidate z ∼ 10 Galaxy Strongly Lensed into a Spatially Resolved Arc Open
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 resolved, if at all, by the Hubble Space Telescope . Here we p…
View article: RELICS: A Strong Lens Model for SPT-CLJ0615–5746, a z = 0.972 Cluster
RELICS: A Strong Lens Model for SPT-CLJ0615–5746, a z = 0.972 Cluster Open
We present a lens model for the cluster SPT-CLJ0615−5746, which is the highest-redshift ( z = 0.972) system in the Reionization of Lensing Clusters Survey, making it the highest-redshift cluster for which a full, strong lens model is publi…
View article: RELICS: Strong Lensing Analysis of the Galaxy Clusters Abell S295, Abell 697, MACS J0025.4-1222, and MACS J0159.8-0849
RELICS: Strong Lensing Analysis of the Galaxy Clusters Abell S295, Abell 697, MACS J0025.4-1222, and MACS J0159.8-0849 Open
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 technique to uncover sets of multiple images and constrain t…
View article: RELICS: Strong Lens Models for Five Galaxy Clusters from the Reionization Lensing Cluster Survey
RELICS: Strong Lens Models for Five Galaxy Clusters from the Reionization Lensing Cluster Survey Open
Strong gravitational lensing by galaxy clusters magnifies background galaxies, enhancing our ability to discover statistically significant samples of galaxies at , in order to constrain the high-redshift galaxy luminosity functions. Here, …
View article: RELICS: A Strong Lens Model for SPT-CLJ0615-5746, a z=0.972 Cluster
RELICS: A Strong Lens Model for SPT-CLJ0615-5746, a z=0.972 Cluster Open
We present a lens model for the cluster SPT-CLJ0615$-$5746, which is the highest redshift ($z=0.972$) system in the Reionization of Lensing Clusters Survey (RELICS), making it the highest redshift cluster for which a full strong lens model…
View article: RELICS: Strong-lensing Analysis of the Massive Clusters MACS J0308.9+2645 and PLCK G171.9−40.7
RELICS: Strong-lensing Analysis of the Massive Clusters MACS J0308.9+2645 and PLCK G171.9−40.7 Open
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-lensing (SL) models are crucial for determining the intrin…
View article: The Magellan Evolution of Galaxies Spectroscopic and Ultraviolet Reference Atlas (MegaSaura). I. The Sample and the Spectra
The Magellan Evolution of Galaxies Spectroscopic and Ultraviolet Reference Atlas (MegaSaura). I. The Sample and the Spectra Open
We introduce Project M eg a S a ura : the Magellan Evolution of Galaxies Spectroscopic and Ultraviolet Reference Atlas. M eg a S a ura comprises medium-resolution, rest-frame ultraviolet spectroscopy of N = 15 bright gravitationally lensed…
View article: The Magellan Evolution of Galaxies Spectroscopic and Ultraviolet Reference Atlas (MEGaSaURA) I: The Sample and the Spectra
The Magellan Evolution of Galaxies Spectroscopic and Ultraviolet Reference Atlas (MEGaSaURA) I: The Sample and the Spectra Open
We introduce Project MEGaSaURA: The Magellan Evolution of Galaxies Spectroscopic and Ultraviolet Reference Atlas. MEGaSaURA comprises medium-resolution, rest-frame ultraviolet spectroscopy of N=15 bright gravitationally lensed galaxies at …
View article: Spatially Resolved Patchy Lyα Emission within the Central Kiloparsec of a Strongly Lensed Quasar Host Galaxy at z = 2.8
Spatially Resolved Patchy Lyα Emission within the Central Kiloparsec of a Strongly Lensed Quasar Host Galaxy at z = 2.8 Open
We report the detection of extended Ly α emission from the host galaxy of SDSS J2222+2745, a strongly lensed quasar at z = 2.8. Spectroscopic follow-up clearly reveals extended Ly α in emission between two images of the central active gala…
View article: The High-redshift Clusters Occupied by Bent Radio AGN (COBRA) Survey: The Spitzer Catalog
The High-redshift Clusters Occupied by Bent Radio AGN (COBRA) Survey: The Spitzer Catalog Open
We present 190 galaxy cluster candidates (most at high redshift) based on galaxy overdensity measurements in the Spitzer /IRAC imaging of the fields surrounding 646 bent, double-lobed radio sources drawn from the Clusters Occupied by Bent …
View article: The High-Z Clusters Occupied By Bent Radio Agn (Cobra) Survey
The High-Z Clusters Occupied By Bent Radio Agn (Cobra) Survey Open
To probe the earliest eras of cluster formation, we need to find clusters with a variety of morphological states and masses across redshift space. Here, we present results from the Clusters Occupied by Bent Radio AGN (COBRA) Survey. The CO…
View article: LENS MODEL AND TIME DELAY PREDICTIONS FOR THE SEXTUPLY LENSED QUASAR SDSS J2222+2745*
LENS MODEL AND TIME DELAY PREDICTIONS FOR THE SEXTUPLY LENSED QUASAR SDSS J2222+2745* Open
SDSS J2222+2745 is a galaxy cluster at z = 0.49, strongly lensing a quasar at z = 2.805 into six widely separated images. In recent Hubble Space Telescope imaging of the field, we identify additional multiply lensed galaxies and confirm th…
View article: The High-Redshift Clusters Occupied by Bent Radio AGN (COBRA) Survey
The High-Redshift Clusters Occupied by Bent Radio AGN (COBRA) Survey Open
We present 238 high-redshift galaxy cluster candidates based on galaxy overdensities in the Spitzer/IRAC imaging of the fields surrounding 646 bent, double-lobed radio sources drawn from the Clusters Occupied by Bent Radio AGN (COBRA) Surv…
View article: PROBING THE OUTSKIRTS OF THE EARLY-STAGE GALAXY CLUSTER MERGER A1750
PROBING THE OUTSKIRTS OF THE EARLY-STAGE GALAXY CLUSTER MERGER A1750 Open
We present results from recent Suzaku and Chandra X-ray and Multiple Mirrior Telescope optical observations of the strongly merging “double cluster” A1750 out to its virial radius, both along and perpendicular to a putative large-scale str…