Search Results - "Larson, Rebecca L."
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On the Stellar Populations of Galaxies at z = 9–11: The Growth of Metals and Stellar Mass at Early Times
Published in The Astrophysical journal (01-03-2022)“…We present a detailed stellar population analysis of 11 bright (H < 26.6) galaxies at z=9−11 (three spectroscopically confirmed) to constrain the chemical…”
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Spectral Templates Optimal for Selecting Galaxies at z > 8 with the JWST
Published in The Astrophysical journal (01-12-2023)“…Abstract The selection of high-redshift galaxies often involves spectral energy distribution (SED) fitting to photometric data, an expectation for…”
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3
High-redshift Galaxy Candidates at z = 9–10 as Revealed by JWST Observations of WHL0137-08
Published in The Astrophysical journal (01-09-2023)“…Abstract We report the discovery of four galaxy candidates observed 450–600 Myr after the Big Bang with photometric redshifts between z ∼ 8.3 and 10.2 measured…”
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NGDEEP Epoch 1: The Faint End of the Luminosity Function at z ∼ 9–12 from Ultradeep JWST Imaging
Published in Astrophysical journal. Letters (01-09-2023)“…Abstract We present a robust sample of very high redshift galaxy candidates from the first epoch of JWST/NIRCam imaging from the Next Generation Deep…”
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A Mixture of LBG Overdensities in the Fields of Three 6 < z < 7 Quasars: Implications for the Robustness of Photometric Selection
Published in The Astrophysical journal (01-08-2023)“…Abstract The most luminous quasars at z > 6 are suspected to be both highly clustered and to reside in the most massive dark matter halos in the early…”
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Silencing the Giant: Evidence of Active Galactic Nucleus Feedback and Quenching in a Little Red Dot at z = 4.13
Published in The Astrophysical journal (01-11-2024)“…Abstract The James Webb Space Telescope (JWST) has uncovered a ubiquitous population of dust-obscured compact sources at z ≳ 4. Many of these objects exhibit…”
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CEERS: Diversity of Lyα Emitters during the Epoch of Reionization
Published in The Astrophysical journal (01-05-2024)“…Abstract We analyze rest-frame ultraviolet to optical spectra of three z ≃ 7.47–7.75 galaxies whose Ly α emission lines were previously detected with…”
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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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ALMA 1.1 mm Observations of a Conservative Sample of High-redshift Massive Quiescent Galaxies in SHELA
Published in The Astrophysical journal (01-07-2023)“…Abstract We present a sample of 30 massive (log( M * / M ⊙ ) > 11) z = 3–5 quiescent galaxies selected from the Spitzer-HETDEX Exploratory Large Area (SHELA)…”
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JWST MIRI Detections of Hα and [O iii] and a Direct Metallicity Measurement of the z = 10.17 Lensed Galaxy MACS0647−JD
Published in The Astrophysical journal (01-10-2024)“…Abstract JWST spectroscopy has revolutionized our understanding of galaxies in the early Universe. Covering wavelengths up to 5.3 μ m, NIRSpec can detect…”
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The Web Epoch of Reionization Lyα Survey (WERLS). I. MOSFIRE Spectroscopy of z ∼ 7–8 Lyα Emitters
Published in The Astrophysical journal (01-07-2024)“…Abstract We present the first results from the Web Epoch of Reionization Ly α Survey (WERLS), a spectroscopic survey of Ly α emission using Keck I/MOSFIRE and…”
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JWST NIRSpec High-resolution Spectroscopy of MACS0647–JD at z = 10.167: Resolved [O ii] Doublet and Electron Density in an Early Galaxy
Published in The Astrophysical journal (01-09-2024)“…Abstract We present JWST/NIRSpec high-resolution G395H/F290LP spectroscopy of MACS0647−JD, a gravitationally lensed galaxy merger at z = 10.167. The new…”
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JWST NIRSpec Spectroscopy of the Triply Lensed z = 10.17 Galaxy MACS0647–JD
Published in The Astrophysical journal (01-09-2024)“…Abstract We present JWST/NIRSpec prism spectroscopy of MACS0647−JD, a triply lensed z ∼ 11 candidate discovered in Hubble Space Telescope imaging and spatially…”
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The Spitzer–HETDEX Exploratory Large-Area Survey. IV. Model-based Multiwavelength Photometric Catalog
Published in The Astrophysical journal. Supplement series (01-12-2023)“…Abstract We present a 0.3–4.5 μ m 16-band photometric catalog for the Spitzer/HETDEX Exploratory Large-Area (SHELA) survey. SHELA covers an ∼27 deg 2 field…”
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CO in Protostars (COPS): Herschel-SPIRE Spectroscopy of Embedded Protostars
Published in The Astrophysical journal (20-06-2018)“…Abstract We present full spectral scans from 200 to 670 μ m of 26 Class 0+I protostellar sources obtained with Herschel -SPIRE as part of the “COPS-SPIRE”…”
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Searching for Islands of Reionization: A Potential Ionized Bubble Powered by a Spectroscopic Overdensity at z = 8.7
Published in The Astrophysical journal (01-05-2022)“…Abstract We present the results from a spectroscopic survey using the MOSFIRE near-infrared spectrograph on the 10 m Keck telescope to search for Ly α emission…”
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Texas Spectroscopic Search for Lyα Emission at the End of Reionization. III. The Lyα Equivalent-width Distribution and Ionized Structures at z > 7
Published in The Astrophysical journal (01-12-2020)“…Lyα emission from galaxies can be utilized to characterize the ionization state in the intergalactic medium (IGM). We report our search for Lyα emission at z >…”
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Confirmation and refutation of very luminous galaxies in the early Universe
Published in Nature (London) (26-10-2023)“…During the first 500 million years of cosmic history, the first stars and galaxies formed, seeding the Universe with heavy elements and eventually reionizing…”
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Texas Spectroscopic Search for Lyα Emission at the End of Reionization I. Constraining the Lyα Equivalent-width Distribution at 6.0 < z < 7.0
Published in The Astrophysical journal (10-09-2018)“…Abstract The distribution of Ly α emission is a presently accessible method for studying the state of the intergalactic medium (IGM) into the reionization era…”
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Texas Spectroscopic Search for Lyα Emission at the End of Reionization. II. The Deepest Near-infrared Spectroscopic Observation at z ≳ 7
Published in The Astrophysical journal (01-06-2019)“…Realizing the utility of Lyα emission to trace the evolution of the intergalactic medium (IGM) during the epoch of reionization requires deep spectroscopy…”
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