64 citations · 372 across the 32 of their papers we have counts for
32 papers
Optical Spectroscopy of Dwarf Galaxies at in the COSMOS Field: Star Formation and Dust Properties
Zahra Sattari, Daniel D. Kelson, Bahram Mobasher +4
We present a spectroscopic study of low-mass galaxies (LMGs;) at in COSMOS field, and compare it to a control sample of intermediate-ma…
Learning to See Sharper: A Physics-Informed Artificial Intelligence Framework for Super-Resolving Galaxy Spectra
Aryana Haghjoo, Shoubaneh Hemmati, Bahram Mobasher +7
The information recoverable from galaxy spectra depends fundamentally on spectral resolution, yet assembling large samples at high resolution remains observationally expensive. We…
The NIRISS PASSAGE Spectroscopic Redshift Catalog in COSMOS
Mason S. Huberty, Kalina V. Nedkova, Zahra Sattari +34
We present the Parallel Application of Slitless Spectroscopy to Analyze Galaxy Evolution (PASSAGE) spectroscopic redshift catalog in the COSMOS field. PASSAGE is a JWST Cycle 1 Nea…
Parallel Application of Slitless Spectroscopy to Analyze Galaxy Evolution (PASSAGE): Survey Overview
Matthew A. Malkan, Vihang Mehta, Ayan Acharyya +49
During the second half of Cycle 1 of the James Webb Space Telescope (JWST), we conducted the Parallel Application of Slitless Spectroscopy to Analyze Galaxy Evolution (PASSAGE) pro…
The Fraction of Clumpy Galaxies in JADES Over
Alexander de la Vega, Bahram Mobasher, Zahra Sattari +3
High-redshift galaxies exhibit compact regions of intense star formation, known as ``clumps,'' which are conspicuous in the rest-frame ultraviolet. Studying them can shed light on…
Spatially resolved gas-phase metallicity at z~2-3 with JWST/NIRISS
Ayan Acharyya, Peter J. Watson, Benedetta Vulcani +24
Spatially resolved gas-phase metallicity maps are a crucial element in understanding the chemical evolution of galaxies. We present spatially resolved metallicity maps obtained fro…
COSMOS Web: Morphological quenching and size-mass evolution of brightest group galaxies from z = 3.7
Ghassem Gozaliasl, Lilan Yang, Jeyhan Kartaltepe +47
We present a comprehensive study of the structural evolution of Brightest Group Galaxies (BGGs) from redshift to using the \textit{James Webb Space Telesc…
COSMOS-Web: Comprehensive Data Reduction for Wide-Area JWST NIRCam Imaging
Maximilien Franco, Caitlin M. Casey, Anton M. Koekemoer +37
We present the data reduction methodology used for the COSMOS-Web survey JWST NIRCam data. Covering 0.54 deg^2 with four broadband filters (F115W, F150W, F277W, F444W) and a total…
COSMOS2025: The COSMOS-Web galaxy catalog of photometry, morphology, redshifts, and physical parameters from JWST, HST, and ground-based imaging
Marko Shuntov, Hollis B. Akins, Louise Paquereau +55
We present COSMOS2025, the COSMOS-Web catalog of photometry, morphology, photometric redshifts and physical parameters for more than 700,000 galaxies in the Cosmic Evolution Survey…
COSMOS Spectroscopic Redshift Compilation (First Data Release): 488k Redshifts Encompassing Two Decades of Spectroscopy
Ali Ahmad Khostovan, Jeyhan S. Kartaltepe, Mara Salvato +54
We present the COSMOS Spectroscopic Redshift Compilation encompassing ~ 20 years of spectroscopic redshifts within a 10 deg area centered on the 2 deg COSMOS legacy field.…
The JWST/PASSAGE Survey: Testing Reionization Histories with JWST's First Unbiased Survey for Lyman alpha Emitters at Redshifts 7.5-9.5
Axel Runnholm, Matthew J. Hayes, Vihang Mehta +25
Lyman (Ly) emission is one of few observable features of galaxies that can trace the neutral hydrogen content in the Universe during the Epoch of Reionization (EoR). To acco…
UVCANDELS: Catalogs of photometric redshifts and galaxy physical properties
Vihang Mehta, Marc Rafelski, Ben Sunnquist +76
The UltraViolet imaging of the Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey Fields (UVCANDELS) program provides deep HST F275W and F435W imaging over four CANDELS…
Dynamics of Star-forming Galaxies in a Massive Structure at \lowercase{} 2.2: Evidence for Galaxy Harassment in high- Environments
Behnam Darvish, Nima Chartab, Zahra Sattari +5
We spectroscopically confirm a new protocluster in the COSMOS field at =2.24430 with Keck/MOSFIRE, dubbed CC2.2B, which is in the immediate vicinity of CC2.2A protocluster, orig…
Crimson Behemoth: a Massive Clumpy Structure Hosting a Dusty AGN at
Takumi S. Tanaka, John D. Silverman, Yurina Nakazato +40
The current paradigm for the co-evolution of galaxies and their supermassive black holes postulates that dust-obscured active galactic nuclei (AGNs) represent a transitional phase…
UVCANDELS: The role of dust on the stellar mass-size relation of disk galaxies at 0.5 3.0
Kalina V. Nedkova, Marc Rafelski, Harry I. Teplitz +30
We use the Ultraviolet Imaging of the Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey fields (UVCANDELS) to measure half-light radii in the rest-frame far-UV for $\s…
COSMOS-Web: The Role of Galaxy Interactions and Disk Instabilities in Producing Starbursts at z<4
A. L. Faisst, L. Yang, M. Brinch +51
We study of the role of galaxy-galaxy interactions and disk instabilities in producing starburst activity in galaxies out to z = 4. For this, we use a sample of 387 galaxies with r…
Large Scale Structures in COSMOS2020: Evolution of Star Formation Activity in Different Environments at 0.4 < z < 4
Sina Taamoli, Bahram Mobasher, Nima Chartab +15
To study the role of environment in galaxy evolution, we reconstruct the underlying density field of galaxies based on COSMOS2020 (The Farmer catalog) and provide the density catal…
The UV luminosity function at 0.6 < z < 1 from UVCANDELS
Lei Sun, Xin Wang, Harry I. Teplitz +75
UVCANDELS is a HST Cycle-26 Treasury Program awarded 164 orbits of primary ultraviolet (UV) F275W imaging and coordinated parallel optical F435W imaging in four CANDELS fields: GOO…
UV-Bright Star-Forming Clumps and Their Host Galaxies in UVCANDELS at 0.5 z 1
Alec Martin, Yicheng Guo, Xin Wang +32
Giant star-forming clumps are a prominent feature of star-forming galaxies (SFGs) and contain important clues on galaxy formation and evolution. However, basic demographics of clum…
The Lyman Continuum Escape Fraction of Star-forming Galaxies at from UVCANDELS
Xin Wang, Harry I. Teplitz, Brent M. Smith +74
The UltraViolet Imaging of the Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey Fields (UVCANDELS) survey is a Hubble Space Telescope (HST) Cycle-26 Treasury Program,…
Fraction of Clumpy Star-Forming Galaxies at in UVCANDELS: Dependence on Stellar Mass and Environment
Zahra Sattari, Bahram Mobasher, Nima Chartab +25
High-resolution imaging of galaxies in rest-frame UV has revealed the existence of giant star-forming clumps prevalent in high redshift galaxies. Studying these sub-structures prov…
Constraints on Fluctuating Star Formation Rates for Intermediate-mass Galaxies with H and UV Luminosities
Shannon G. Patel, Daniel D. Kelson, Louis E. Abramson +2
We study the recent star formation histories (SFHs) of 575 intermediate-mass galaxies (IMGs, ) in COSMOS at by comparing their H$α…
Evolution of Gas, and Star Formation from z = 0 to 5
Nick Scoville, Andreas Faisst, John Weaver +20
ALMA observations of the long wavelength dust continuum are used to estimate the gas masses in a sample of 708 star-forming (SF) galaxies at z = 0.3 to 4.5. We determine the depend…
COSMOS-Web: An Overview of the JWST Cosmic Origins Survey
Caitlin M. Casey, Jeyhan S. Kartaltepe, Nicole E. Drakos +82
We present the survey design, implementation, and outlook for COSMOS-Web, a 255 hour treasury program conducted by the James Webb Space Telescope in its first cycle of observations…