Search Results - "Ryan, Russell E."
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THE EVOLUTION OF THE GALAXY REST-FRAME ULTRAVIOLET LUMINOSITY FUNCTION OVER THE FIRST TWO BILLION YEARS
Published in The Astrophysical journal (01-09-2015)“…ABSTRACT We present a robust measurement and analysis of the rest-frame ultraviolet (UV) luminosity functions at z = 4-8. We use deep Hubble Space Telescope…”
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RELICS: Strong Lens Models for Five Galaxy Clusters from the Reionization Lensing Cluster Survey
Published in The Astrophysical journal (01-06-2018)“…Strong gravitational lensing by galaxy clusters magnifies background galaxies, enhancing our ability to discover statistically significant samples of galaxies…”
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The Lyman Continuum Escape Fraction of Galaxies and AGN in the GOODS Fields
Published in The Astrophysical journal (01-07-2020)“…We present our analysis of the Lyman continuum (LyC) emission and escape fraction of 111 spectroscopically verified galaxies with and without active galactic…”
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JWST’s PEARLS: A JWST/NIRCam View of ALMA Sources
Published in Astrophysical journal. Letters (01-01-2023)“…Abstract We report the results of James Webb Space Telescope/NIRCam observations of 19 (sub)millimeter sources detected by the Atacama Large Millimeter Array…”
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FIGS-Faint Infrared Grism Survey: Description and Data Reduction
Published in The Astrophysical journal (01-09-2017)“…The Faint Infrared Grism Survey (FIGS) is a deep Hubble Space Telescope (HST) WFC3/IR (Wide Field Camera 3 Infrared) slitless spectroscopic survey of four deep…”
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EVIDENCE FOR REDUCED SPECIFIC STAR FORMATION RATES IN THE CENTERS OF MASSIVE GALAXIES AT z = 4
Published in The Astrophysical journal (01-01-2017)“…ABSTRACT We perform the first spatially resolved stellar population study of galaxies in the early universe (z = 3.5-6.5), utilizing the Hubble Space Telescope…”
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RELICS: Strong-lensing Analysis of the Massive Clusters MACS J0308.9+2645 and PLCK G171.9−40.7
Published in The Astrophysical journal (01-05-2018)“…Strong gravitational lensing by galaxy clusters has become a powerful tool for probing the high-redshift universe, magnifying distant and faint background…”
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RELICS: Strong Lensing Analysis of the Galaxy Clusters Abell S295, Abell 697, MACS J0025.4-1222, and MACS J0159.8-0849
Published in The Astrophysical journal (20-08-2018)“…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…”
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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
Published in The Astrophysical journal (01-04-2019)“…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…”
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RELICS: A Strong Lens Model for SPT-CLJ0615-5746, a z = 0.972 Cluster
Published in The Astrophysical journal (20-08-2018)“…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,…”
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Deep Large Binocular Camera r-band Observations of the GOODS-N Field
Published in Publications of the Astronomical Society of the Pacific (01-02-2023)“…Abstract We obtained 838 Sloan r -band images (∼28 hr) of the GOODS-North field with the Large Binocular Camera (LBC) on the Large Binocular Telescope in order…”
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EPOCHS. II. The Ultraviolet Luminosity Function from 7.5 < z < 13.5 Using 180 arcmin2 of Deep, Blank Fields from the PEARLS Survey and Public JWST Data
Published in The Astrophysical journal (01-04-2024)“…We present an analysis of the ultraviolet luminosity function (UV LF) and star formation rate density of distant galaxies (7.5 < z < 13.5) in the “blank”…”
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RELICS: A Very Large (θE ∼ 40″) Cluster Lens-RXC J0032.1+1808
Published in The Astrophysical journal (01-07-2020)“…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…”
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Hidden Giants in JWST's PEARLS: An Ultramassive z = 4.26 Submillimeter Galaxy that Is Invisible to HST
Published in The Astrophysical journal (01-11-2023)“…Abstract We present a multiwavelength analysis using the Submillimeter Array (SMA), James Clerk Maxwell Telescope, NOEMA, JWST, the Hubble Space Telescope…”
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EPOCHS VII: discovery of high-redshift (6.5 < z < 12) AGN candidates in JWST ERO and PEARLS data
Published in Monthly notices of the Royal Astronomical Society (09-08-2023)“…ABSTRACT We present an analysis of a sample of robust high-redshift galaxies selected from the ‘blank’ fields of the Prime Extragalactic Areas for Reionization…”
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PEARLS: Low Stellar Density Galaxies in the El Gordo Cluster Observed with JWST
Published in The Astrophysical journal (01-08-2023)“…Abstract A full understanding of how unusually large ultradiffuse galaxies (UDGs) fit into our conventional theory of galaxy formation remains elusive, despite…”
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JWST’s PEARLS: Dust Attenuation and Gravitational Lensing in the Backlit-galaxy System VV 191
Published in The Astronomical journal (01-04-2023)“…Abstract We derive the spatial and wavelength behavior of dust attenuation in the multiple-armed spiral galaxy VV 191b using backlighting by the superimposed…”
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PEARLS: Discovery of Point-source Features within Galaxies in the North Ecliptic Pole Time Domain Field
Published in The Astrophysical journal (01-10-2024)“…Abstract The first public 0.9–4.4 μ m NIRCam images of the North Ecliptic Pole Time Domain Field uncovered galaxies displaying point-source features in their…”
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JWST's PEARLS: Transients in the MACS J0416.1−2403 Field
Published in The Astrophysical journal. Supplement series (01-12-2023)“…Abstract With its unprecedented sensitivity and spatial resolution, the James Webb Space Telescope (JWST) has opened a new window for time-domain discoveries…”
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Magellanic System Stars Identified in SMACS J0723.3-7327 James Webb Space Telescope Early Release Observations Images
Published in The Astrophysical journal (01-12-2023)“…Abstract We identify 71 distant stars in James Webb Space Telescope/NIRCam early release observations (ERO) images of the field of galaxy cluster SMACS…”
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