350 citations · 1.3k across the 24 of their papers we have counts for
24 papers
The Prevalence of Bursty Star Formation in Low-Mass Galaxies at z=1-7 from Hα-to-UV Diagnostics
Marissa N. Perry, Anthony J. Taylor, Oscar A. Chavez Ortiz +15
We present an analysis of bursty star-formation histories (SFHs) of 346 star-forming galaxies at , selected from JWST/NIRSpec G395M and PRISM spectroscopy provided b…
Ly visibility from z = 4.5 to 11 in the UDS field: Evidence for a high neutral hydrogen fraction and small ionized bubbles at z 7
L. Napolitano, L. Pentericci, M. Dickinson +28
The resonant scattering nature of Ly photons interacting with neutral hydrogen makes Ly emitters (LAEs) robust tracers of the intergalactic neutral hydrogen fraction, and thu…
Testing Photometric Techniques for Measuring the Rest-Frame UV Spectral Slope Against JWST PRISM Spectroscopy
Alexa M. Morales, Steven L. Finkelstein, Pablo Arrabal Haro +21
We present a sample of 53 galaxy spectra at z_spec ~ 5-12 from the JWST CEERS and RUBIES surveys, combining NIRSpec PRISM spectroscopy with NIRCam photometry. We aim to use these d…
Galaxies in the Epoch of Reionization Are All Bark and No Bite -- Plenty of Ionizing Photons, Low Escape Fractions
Casey Papovich, Justin W. Cole, Weida Hu +27
Early results from JWST suggest that epoch-of-reionization (EoR) galaxies produce copious ionizing photons, which, if they escape efficiently, could cause reionization to occur too…
CAPERS Observations of Two UV-Bright Galaxies at z>10. More Evidence for Bursting Star Formation in the Early Universe
Vasily Kokorev, Óscar A. Chávez Ortiz, Anthony J. Taylor +38
We present the first results from the CAPERS survey, utilizing PRISM observations with the JWST/NIRSpec MSA in the PRIMER-UDS field. With just 14 % of the total planned data volume…
Evolution of the UV slope of galaxies at cosmic morning (z > 4): the properties of extremely blue galaxies
D. Dottorini, A. Calabrò, L. Pentericci +23
We present an analysis of the UV continuum slope, beta, using a sample of 733 galaxies selected from a mixture of JWST ERS/GTO/GO observational programs and with z > 4. We consider…
The ionizing photon production efficiency of star-forming galaxies at
M. Llerena, L. Pentericci, L. Napolitano +27
Investigating the ionizing emission of star-forming galaxies is critical to understanding their contribution to reionization and their impact on the surrounding environment. The nu…
Emission-Line Ratios and Ionization Conditions of CEERS Star-Forming Galaxies with JWST/NIRSpec
Ansh R. Gupta, Allison Kirkpatrick, Vital Fernandez +5
Galaxy emission-line fluxes can be analyzed to determine star formation rates (SFR) and ISM ionization. Here, we investigate rest-frame optical emission lines of 71 star-forming ga…
The Dual Nature of GHZ9: Coexisting Active Galactic Nuclei and Star Formation Activity in a Remote X-ray Source at z = 10.145
Lorenzo Napolitano, Marco Castellano, Laura Pentericci +33
We present James Webb Space Telescope (JWST)/NIRSpec PRISM spectroscopic characterization of GHZ9 at z= 10.145 0.010, currently the most distant source detected by the Chandr…
The BoRG- Survey: Abundance and Mass-to-light Ratio of Luminous Galaxies from Independent Sight Lines with NIRSpec
Sofía Rojas-Ruiz, Micaela B. Bagley, Guido Roberts-Borsani +12
We present new results on the rest-frame UV luminosity function (UVLF) and stellar mass-to-light (M/L) ratio of bright (M mag) spectroscopically-confirmed gal…
CEERS Key Paper. IX. Identifying Galaxy Mergers in CEERS NIRCam Images Using Random Forests and Convolutional Neural Networks
Caitlin Rose, Jeyhan S. Kartaltepe, Gregory F. Snyder +32
A crucial yet challenging task in galaxy evolution studies is the identification of distant merging galaxies, a task which suffers from a variety of issues ranging from telescope s…
The BoRG-JWST Survey: Program Overview and First Confirmations of Luminous Reionization-Era Galaxies from Pure-Parallel Observations
Guido Roberts-Borsani, Micaela Bagley, Sofía Rojas-Ruiz +18
We present the BoRG-JWST survey, a combination of two JWST Cycle 1 programs aimed at obtaining NIRSpec spectroscopy of representative, UV-bright galaxy candidates across 2…
Evidence of extreme ionization conditions and low metallicity in GHZ2/GLASS-z12 from a combined analysis of NIRSpec and MIRI observations
Antonello Calabro, Marco Castellano, Jorge A. Zavala +19
GHZ2/GLASS-z12 has been recently observed by JWST with both NIRSpec and MIRI spectrographs, making it the most distant galaxy () with complete spectroscopic coverag…
A luminous and young galaxy at z=12.33 revealed by a JWST/MIRI detection of Hα and [OIII]
Jorge A. Zavala, Marco Castellano, Hollis B. Akins +37
The James Webb Space Telescope (JWST) has discovered a surprising population of bright galaxies in the very early universe (<500 Myrs after the Big Bang) that is hard to explain wi…
JWST NIRSpec Spectroscopy of the Remarkable Bright Galaxy GHZ2/GLASS-z12 at Redshift 12.34
Marco Castellano, Lorenzo Napolitano, Adriano Fontana +28
We spectroscopically confirm the mag galaxy GHZ2/GLASS-z12 to be at redshift . The source was selected via NIRCam photometry in GLASS-JWST ERS data, p…
A Census from JWST of Extreme Emission Line Galaxies Spanning the Epoch of Reionization in CEERS
Kelcey Davis, Jonathan R. Trump, Raymond C. Simons +29
We present a sample of 1165 extreme emission-line galaxies (EELGs) at 4<z<9 selected using James Webb Space Telescope (JWST) NIRCam photometry in the Cosmic Evolution Early Release…
CEERS: 7.7 m PAH Star Formation Rate Calibration with JWST MIRI
Kaila Ronayne, Casey Papovich, Guang Yang +33
We test the relationship between UV-derived star formation rates (SFRs) and the 7.7 m polycyclic aromatic hydrocarbon (PAH) luminosities from the integrated emission of galaxies…
Confirmation and refutation of very luminous galaxies in the early universe
Pablo Arrabal Haro, Mark Dickinson, Steven L. Finkelstein +34
During the first 500 million years of cosmic history, the first stars and galaxies formed, seeding the Universe with heavy elements and eventually reionizing the intergalactic medi…
A strong He II 1640 emitter with extremely blue UV spectral slope at : presence of Pop III stars?
Xin Wang, Cheng Cheng, Junqiang Ge +12
Cosmic hydrogen reionization and cosmic production of first metals are major phase transitions of the universe occurring during the first billion years after the Big Bang, however…
CEERS Epoch 1 NIRCam Imaging: Reduction Methods and Simulations Enabling Early JWST Science Results
Micaela B. Bagley, Steven L. Finkelstein, Anton M. Koekemoer +34
We present the data release and data reduction process for the Epoch 1 NIRCam observations for the Cosmic Evolution Early Release Science Survey (CEERS). These data consist of NIRC…
CEERS Key Paper III: The Diversity of Galaxy Structure and Morphology at z=3-9 with JWST
Jeyhan S. Kartaltepe, Caitlin Rose, Brittany N. Vanderhoof +58
We present a comprehensive analysis of the evolution of the morphological and structural properties of a large sample of galaxies at z=3-9 using early JWST CEERS NIRCam observation…
CEERS Key Paper III: The Resolved Host Properties of AGN at 3 < z < 5 with JWST
Dale D. Kocevski, Guillermo Barro, Elizabeth J. McGrath +56
We report on the host properties of five X-ray luminous Active Galactic Nuclei (AGN) identified at in the first epoch of imaging from the Cosmic Evolution Early Release…
A Long Time Ago in a Galaxy Far, Far Away: A Candidate z ~ 12 Galaxy in Early JWST CEERS Imaging
Steven L. Finkelstein, Micaela B. Bagley, Pablo Arrabal Haro +117
We report the discovery of a candidate galaxy with a photo-z of z~12 in the first epoch of the JWST Cosmic Evolution Early Release Science (CEERS) Survey. Following conservative se…
The Physical Conditions of Emission-Line Galaxies at Cosmic Dawn from JWST/NIRSpec Spectroscopy in the SMACS 0723 Early Release Observations
Jonathan R. Trump, Pablo Arrabal Haro, Raymond C. Simons +61
We present rest-frame optical emission-line flux ratio measurements for five galaxies observed by the JWST Near-Infared Spectrograph (NIRSpec) in the SMACS 0723 Early Release…