Search Results - "Wilkins, Stephen M."
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Recalibrating the cosmic star formation history
Published in Monthly notices of the Royal Astronomical Society (01-12-2019)“…ABSTRACT The calibrations linking observed luminosities to the star formation rate (SFR) depend on the assumed stellar population synthesis model, initial mass…”
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First Light And Reionization Epoch Simulations (FLARES) – I. Environmental dependence of high-redshift galaxy evolution
Published in Monthly notices of the Royal Astronomical Society (01-01-2021)“…ABSTRACT We introduce the First Light And Reionisation Epoch Simulations (FLARES), a suite of zoom simulations using the EAGLE model. We resimulate a range of…”
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CEERS Epoch 1 NIRCam Imaging: Reduction Methods and Simulations Enabling Early JWST Science Results
Published in Astrophysical journal. Letters (01-03-2023)“…Abstract We present the data release and data reduction process for the Epoch 1 NIRCam observations for the Cosmic Evolution Early Release Science Survey…”
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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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The JWST Hubble Sequence: The Rest-frame Optical Evolution of Galaxy Structure at 1.5 < z < 6.5
Published in The Astrophysical journal (01-10-2023)“…Abstract We present results on the morphological and structural evolution of a total of 3956 galaxies observed with JWST at 1.5 < z < 6.5 in the JWST CEERS…”
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Hidden Little Monsters: Spectroscopic Identification of Low-mass, Broad-line AGNs at z > 5 with CEERS
Published in Astrophysical journal. Letters (01-09-2023)“…Abstract We report on the discovery of two low-luminosity, broad-line active galactic nuclei (AGNs) at z > 5 identified using JWST NIRSpec spectroscopy from…”
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Unscrambling the Lensed Galaxies in JWST Images behind SMACS 0723
Published in Astrophysical journal. Letters (01-10-2022)“…Abstract The first deep field images from the James Webb Space Telescope (JWST) of the galaxy cluster SMACS J0723.3-7327 reveal a wealth of new lensed images…”
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Nebular-line emission during the Epoch of Reionization
Published in Monthly notices of the Royal Astronomical Society (01-04-2020)“…ABSTRACT Nebular emission lines associated with galactic H ii regions carry information about both physical properties of the ionized gas and the source of…”
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First light and reionization epoch simulations (FLARES) V: the redshift frontier
Published in Monthly notices of the Royal Astronomical Society (01-02-2023)“…ABSTRACT JWST is set to transform many areas of astronomy, one of the most exciting is the expansion of the redshift frontier to z > 10. In its first year,…”
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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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COSMOS-Web: Intrinsically Luminous z ≳ 10 Galaxy Candidates Test Early Stellar Mass Assembly
Published in The Astrophysical journal (01-04-2024)“…Abstract We report the discovery of 15 exceptionally luminous 10 ≲ z ≲ 14 candidate galaxies discovered in the first 0.28 deg 2 of JWST/NIRCam imaging from the…”
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The ultraviolet properties of star-forming galaxies - I. HST WFC3 observations of very high redshift galaxies
Published in Monthly notices of the Royal Astronomical Society (01-10-2011)“…The acquisition of deep near-IR imaging with Wide Field Camera 3 on the Hubble Space Telescope has provided the opportunity to study the very high redshift…”
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The evolution of stellar mass and the implied star formation history
Published in Monthly notices of the Royal Astronomical Society (01-04-2008)“…We present a compilation of measurements of the stellar mass density as a function of redshift. Using this stellar mass history we obtain a star formation…”
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A tiny host galaxy for the first giant black hole: z = 7.5 quasar in BlueTides
Published in Monthly notices of the Royal Astronomical Society (11-02-2019)Get full text
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Using [Ne v]/[Ne iii] to Understand the Nature of Extreme-ionization Galaxies
Published in The Astrophysical journal (01-08-2023)“…Abstract Spectroscopic studies of extreme-ionization galaxies (EIGs) are critical to our understanding of exotic systems throughout cosmic time. These EIGs…”
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The photometric properties of galaxies in the early Universe
Published in Monthly notices of the Royal Astronomical Society (11-08-2016)“…We use the large cosmological hydro-dynamic simulation BlueTides to predict the photometric properties of galaxies during the epoch of reionization (z = 8–15)…”
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CLASSY. VIII. Exploring the Source of Ionization with UV Interstellar Medium Diagnostics in Local High-z Analogs
Published in The Astrophysical journal (01-02-2024)“…Abstract In the current JWST era, rest-frame UV spectra play a crucial role in enhancing our understanding of the interstellar medium (ISM) and stellar…”
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Interpreting the observed UV continuum slopes of high-redshift galaxies
Published in Monthly notices of the Royal Astronomical Society (21-04-2013)“…The observed UV continuum slope of star-forming galaxies is strongly affected by the presence of dust. Its observation is then a potentially valuable…”
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Evolution of the Size–Mass Relation of Star-forming Galaxies Since z = 5.5 Revealed by CEERS
Published in The Astrophysical journal (01-02-2024)“…Abstract We combine deep imaging data from the CEERS early release JWST survey and Hubble Space Telescope imaging from CANDELS to examine the size–mass…”
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Galaxy formation in the Planck cosmology – III. The high-redshift universe
Published in Monthly notices of the Royal Astronomical Society (11-08-2015)“…We present high-redshift predictions of the star formation rate distribution function (SFRDF), UV luminosity function (UVLF), galactic stellar mass function…”
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