Search Results - "Cohen, Seth H."
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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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The JCMT SCUBA-2 Survey of the James Webb Space Telescope North Ecliptic Pole Time-Domain Field
Published in The Astrophysical journal. Supplement series (01-01-2023)“…Abstract The James Webb Space Telescope Time-Domain Field (JWST-TDF) is an ∼14′ diameter field near the North Ecliptic Pole that will be targeted by one of the…”
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SKYSURF-3: Testing Crowded Object Catalogs in the Hubble eXtreme Deep Field Mosaics to Study Sample Incompleteness from an Extragalactic Background Light Perspective
Published in Astrophysical journal. Letters (01-11-2022)“…Abstract Extragalactic background light (EBL) studies have revealed a significant discrepancy between direct measurements—via instruments measuring “bare” sky…”
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Hubble Space Telescope Wide Field Camera 3 Observations of Escaping Lyman Continuum Radiation from Galaxies and Weak AGN at Redshifts z ∼ 2.3-4.1
Published in The Astrophysical journal (01-02-2018)“…We present observations of escaping Lyman Continuum (LyC) radiation from 34 massive star-forming galaxies (SFGs) and 12 weak AGN with reliably measured…”
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JWST Spectroscopy of SN H0pe: Classification and Time Delays of a Triply Imaged Type Ia Supernova at z = 1.78
Published in The Astrophysical journal (01-08-2024)“…Abstract SN H0pe is a triply imaged supernova (SN) at redshift z = 1.78 discovered using the James Webb Space Telescope. In order to classify the SN…”
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SKYSURF-4: Panchromatic Hubble Space Telescope All-Sky Surface-brightness Measurement Methods and Results
Published in The Astronomical journal (01-06-2023)“…Abstract The diffuse, unresolved sky provides most of the photons that the Hubble Space Telescope (HST) receives, yet remains poorly understood. The HST…”
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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
Published in The Astrophysical journal (20-01-2019)“…We present Hubble Space Telescope WFC3-IR imaging in the fields of six apparently bright dusty star-forming galaxies (DSFGs) at z = 2-4 identified by their…”
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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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Luminous Lyα Emitters with Very Blue UV-continuum Slopes at Redshift 5.7 ≤ z ≤ 6.6
Published in The Astrophysical journal (01-02-2020)“…Abstract We study six luminous Ly α emitters (LAEs) with very blue rest-frame UV continua at 5.7 ≤ z ≤ 6.6. These LAEs have previous Hubble Space Telescope (…”
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PHYSICAL PROPERTIES OF SPECTROSCOPICALLY CONFIRMED GALAXIES AT z ⩾ 6. II. MORPHOLOGY OF THE REST-FRAME UV CONTINUUM AND Lyα EMISSION
Published in The Astrophysical journal (20-08-2013)“…We present a detailed structural and morphological study of a large sample of spectroscopically confirmed galaxies at z [> or =, slanted] 6 using deep Hubble…”
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Possible Ongoing Merger Discovered by Photometry and Spectroscopy in the Field of the Galaxy Cluster PLCK G165.7+67.0
Published in The Astrophysical journal (01-06-2022)“…Abstract We present a detailed study of the Planck-selected binary galaxy cluster PLCK G165.7+67.0 (G165; z = 0.348). A multiband photometric catalog is…”
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PHYSICAL PROPERTIES OF SPECTROSCOPICALLY CONFIRMED GALAXIES AT z ≥ 6. III. STELLAR POPULATIONS FROM SED MODELING WITH SECURE Lyα EMISSION AND REDSHIFTS
Published in The Astrophysical journal (01-01-2016)“…ABSTRACT We present a study of stellar populations in a sample of spectroscopically confirmed Lyman-break galaxies (LBGs) and Ly α emitters (LAEs) at These…”
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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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SKYSURF: Constraints on Zodiacal Light and Extragalactic Background Light through Panchromatic HST All-sky Surface-brightness Measurements. I. Survey Overview and Methods
Published in The Astronomical journal (01-10-2022)“…We give an overview and describe the rationale, methods, and testing of the Hubble Space Telescope (HST) Archival Legacy project "SKYSURF." SKYSURF uses HST's…”
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JWST’s PEARLS: TN J1338–1942 – I. Extreme jet-triggered star formation in a z = 4.11 luminous radio galaxy
Published in Monthly notices of the Royal Astronomical Society (02-05-2023)“…ABSTRACT We present the first JWST observations of the z = 4.11 luminous radio galaxy TN J1338–1942, obtained as part of the ‘Prime Extragalactic Areas for…”
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PHYSICAL PROPERTIES OF SPECTROSCOPICALLY CONFIRMED GALAXIES AT z ⩾ 6. I. BASIC CHARACTERISTICS OF THE REST-FRAME UV CONTINUUM AND Lyα EMISSION
Published in The Astrophysical journal (01-08-2013)“…We present deep Hubble Space Telescope near-IR and Spitzer mid-IR observations of a large sample of spectroscopically confirmed galaxies at z [> or =, slanted]…”
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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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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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Analysis of the Spatially Resolved V−3.6 μm Colors and Dust Extinction in 257 Nearby NGC and IC Galaxies
Published in The Astrophysical journal (10-10-2019)“…Abstract We present and analyze spatially resolved maps for the observed V - and g -band to 3.6 μ m flux ratios and the inferred dust-extinction values, A V ,…”
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