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New Lyman-alpha Emitters in EGS: Evidence of an Extended Ionized Structure at
Intae Jung, Steven L. Finkelstein, Rebecca L. Larson +21
We perform a ground-based near-infrared spectroscopic survey using the Keck/MOSFIRE spectrograph to target Ly emission at from 61 galaxies to trace the ionization st…
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 I: An Early Look into the First 500 Myr of Galaxy Formation with JWST
Steven L. Finkelstein, Micaela B. Bagley, Henry C. Ferguson +64
We present an investigation into the first 500 Myr of galaxy evolution from the Cosmic Evolution Early Release Science (CEERS) survey. CEERS, one of 13 JWST ERS programs, targets g…
ALMA FIR View of Ultra High-redshift Galaxy Candidates at 11-17: Blue Monsters or Low- Red Interlopers?
Seiji Fujimoto, Steven L. Finkelstein, Denis Burgarella +50
We present ALMA Band~7 observations of a remarkably bright galaxy candidate at = (=), S5-z17-1, identified in JWST Early Releas…
CEERS Key Paper V: A triality on the nature of HST-dark galaxies
Pablo G. Pérez-González, Guillermo Barro, Marianna Annunziatella +52
The new capabilities that JWST offers in the near- and mid-infrared (IR) are used to investigate in unprecedented detail the nature of optical/near-IR faint, mid-IR bright sources,…
First Look at z > 1 Bars in the Rest-Frame Near-Infrared with JWST Early CEERS Imaging
Yuchen Guo, Shardha Jogee, Steven L. Finkelstein +45
Stellar bars are key drivers of secular evolution in galaxies and can be effectively studied using rest-frame near-infrared (NIR) images, which trace the underlying stellar mass an…
Semi-analytic forecasts for Roman -- the beginning of a new era of deep-wide galaxy surveys
L. Y. Aaron Yung, Rachel S. Somerville, Steven L. Finkelstein +11
The Nancy Grace Roman Space Telescope, NASA's next flagship observatory, will redefine deep-field galaxy survey with a field of view two orders of magnitude larger than Hubble and…
The hidden side of cosmic star formation at z > 3: Bridging optically-dark and Lyman break galaxies with GOODS-ALMA
Mengyuan Xiao, David Elbaz, Carlos Gómez-Guijarro +37
Our current understanding of the cosmic star formation history at z>3 is primarily based on UV-selected galaxies (i.e., LBGs). Recent studies of H-dropouts have revealed that we ma…
A Machine Learning Approach to Predict Missing Flux Densities in Multi-band Galaxy Surveys
Nima Chartab, Bahram Mobasher, Asantha Cooray +21
We present a new method based on information theory to find the optimal number of bands required to measure the physical properties of galaxies with a desired accuracy. As a proof…
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…
Dusty Starbursts Masquerading as Ultra-high Redshift Galaxies in JWST CEERS Observations
Jorge A. Zavala, Veronique Buat, Caitlin M. Casey +121
Lyman Break Galaxy (LBG) candidates at z>10 are rapidly being identified in JWST/NIRCam observations. Due to the (redshifted) break produced by neutral hydrogen absorption of rest-…
Semi-analytic forecasts for JWST -- VI. Simulated lightcones and galaxy clustering predictions
L. Y. Aaron Yung, Rachel S. Somerville, Henry C. Ferguson +6
In anticipation of the new era of high-redshift exploration marked by the commissioning of the James Webb Space Telescope (JWST), we present two sets of galaxy catalogues that are…
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…
Investigating the Dominant Environmental Quenching Process in UVCANDELS/COSMOS Groups
Maxwell Kuschel, Claudia Scarlata, Vihang Mehta +36
We explore how the fraction of quenched galaxies changes in groups of galaxies with respect to the distance to the center of the group, redshift, and stellar mass to determine the…
The Low-Redshift Lyman Continuum Survey II: New Insights into LyC Diagnostics
Sophia R. Flury, Anne E. Jaskot, Harry C. Ferguson +44
The Lyman continuum (LyC) cannot be observed at the epoch of reionization (z {\gtrsim} 6) due to intergalactic H I absorption. To identify Lyman continuum emitters (LCEs) and infer…
Searching for Islands of Reionization: A Potential Ionized Bubble Powered by a Spectroscopic Overdensity at z = 8.7
Rebecca L. Larson, Steven L. Finkelstein, Taylor A. Hutchison +10
We present the results from a spectroscopic survey using the MOSFIRE near-infrared spectrograph on the 10m Keck telescope to search for Ly emission from candidate galaxies at z…
The Low-Redshift Lyman Continuum Survey I: New, Diverse Local Lyman-Continuum Emitters
Sophia R. Flury, Anne E. Jaskot, Harry C. Ferguson +44
The origins of Lyman continuum (LyC) photons responsible for the reionization of the universe are as of yet unknown and highly contested. Detecting LyC photons from the epoch of re…
GOODS-ALMA 2.0: Starbursts in the main sequence reveal compact star formation regulating galaxy evolution prequenching
C. Gómez-Guijarro, D. Elbaz, M. Xiao +38
Compact star formation appears to be generally common in dusty star-forming galaxies (SFGs). However, its role in the framework set by the scaling relations in galaxy evolution rem…
An Isolated Stellar-Mass Black Hole Detected Through Astrometric Microlensing
Kailash C. Sahu, Jay Anderson, Stefano Casertano +90
We report the first unambiguous detection and mass measurement of an isolated stellar-mass black hole (BH). We used the Hubble Space Telescope (HST) to carry out precise astrometry…
The Low-Redshift Lyman Continuum Survey. Unveiling the ISM properties of low- Lyman continuum emitters
Alberto Saldana-Lopez, Daniel Schaerer, John Chisholm +24
Combining 66 ultraviolet (UV) spectra and ancillary data from the Low-Redshift Lyman Continuum Survey (LzLCS) and 23 LyC observations by earlier studies, we form a statistical samp…