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27 papers · 2 filters
JWST NIRCam Photometry: A Study of Globular Clusters Surrounding Bright Elliptical Galaxy VV 191a at z=0.0513
Jessica M. Berkheimer, Timothy Carleton, Rogier A. Windhorst +22
James Webb Space Telescope NIRCam images have revealed 154 reliable globular cluster (GC) candidates around the elliptical galaxy VV~191a after subtracting 34 likely i…
Star formation and AGN activity 500 Myr after the Big Bang: Insights from JWST
Jordan C. J. D'Silva, Simon P. Driver, Claudia D. P. Lagos +3
We consider the effect of including an active galactic nuclei (AGN) component when fitting spectral energy distributions of 109 spectroscopically confirmed gala…
PEARLS: JWST counterparts of micro-Jy radio sources in the Time Domain Field
S. P. Willner, H. B. Gim, M. del Carmen Polletta +38
The Time Domain Field (TDF) near the North Ecliptic Pole in JWST's continuous-viewing zone will become a premier "blank field" for extragalactic science. JWST/NIRCam data in a 16 a…
The Hyper Suprime-Cam extended Point Spread Functions and applications
L. P. Garate-Nuñez, A. S. G. Robotham, S. Bellstedt +2
We present extended point spread function (PSF) models for the Hyper Suprime-Cam Subaru Strategic Program Public Data Release 3 (HSC-SSP PDR3) in all and $\texti…
PEARLS: A Potentially Isolated Quiescent Dwarf Galaxy with a TRGB Distance of 30 Mpc
Timothy Carleton, Timothy Ellsworth-Bowers, Rogier A. Windhorst +25
A wealth of observations have long suggested that the vast majority of isolated classical dwarf galaxies (- M) are currently star-forming. However, recent o…
The JWST Discovery of the Triply-imaged Type Ia "Supernova H0pe" and Observations of the Galaxy Cluster PLCK G165.7+67.0
Brenda L. Frye, Massimo Pascale, Justin Pierel +39
A Type Ia supernova (SN) at was discovered in James Webb Space Telescope Near Infrared Camera imaging of the galaxy cluster PLCK G165.7+67.0 (G165; ). The SN is…
Quenching massive galaxies across cosmic time with the semi-analytic model SHARK v2.0
Claudia D. P. Lagos, Matias Bravo, Rodrigo Tobar +7
We introduce version 2.0 of the SHARK semi-analytic model of galaxy formation after many improvements to the physics included. The most significant being: (i) a model describing th…
SimSpin v2.6.0 -- Constructing synthetic spectral IFU cubes for comparison with observational surveys
K. E. Harborne, A. Serene, E. J. A. Davies +10
In this work, we present a methodology and a corresponding code-base for constructing mock integral field spectrograph (IFS) observations of simulated galaxies in a consistent and…
EPOCHS VII: Discovery of high redshift () AGN candidates in JWST ERO and PEARLS data
Ignas Juodžbalis, Christopher J. Conselice, Maitrayee Singh +24
We present an analysis of a sample of robust high redshift galaxies selected photometrically from the `blank' fields of the Prime Extragalactic Areas for Reionization Science (PEAR…
EPOCHS IX. When cosmic dawn breaks: Evidence for evolved stellar populations in galaxies from PEARLS GTO and public NIRCam imaging
James A. A. Trussler, Christopher J. Conselice, Nathan Adams +28
The presence of evolved stars in high-redshift galaxies can place valuable indirect constraints on the onset of star formation in the Universe. Thus we use PEARLS GTO and public NI…
A search for high-redshift direct-collapse black hole candidates in the PEARLS north ecliptic pole field
Armin Nabizadeh, Erik Zackrisson, Fabio Pacucci +31
Direct-collapse black holes (DCBHs) of mass - that form in HI-cooling halos in the early Universe are promising progenitors of the $\gtrsim 10^9 {M}_\odo…
Identifying the discs, bulges, and intra-halo light of simulated galaxies through structural decomposition
Katy L. Proctor, Claudia del P. Lagos, Aaron D. Ludlow +1
We perform a structural decomposition of galaxies identified in three cosmological hydrodynamical simulations by applying Gaussian Mixture Models (GMMs) to the kinematics of their…
JWST's PEARLS: Transients in the MACS J0416.1-2403 Field
Haojing Yan, Zhiyuan Ma, Bangzheng Sun +27
With its unprecedented sensitivity and spatial resolution, the James Webb Space Telescope (JWST) has opened a new window for time-domain discoveries in the infrared. Here we report…
Resolving cosmic star formation histories of present-day bulges, disks, and spheroids with ProFuse
Sabine Bellstedt, Aaron S. G. Robotham, Simon P. Driver +3
We present the first look at star formation histories of galaxy components using ProFuse, a new technique to model the 2D distribution of light across multiple wavelengths using si…
GAMA/DEVILS: Cosmic star formation and AGN activity over 12.5 billion years
Jordan C. J. D'Silva, Simon P. Driver, Claudia D. P. Lagos +11
We use the Galaxy and Mass Assembly (GAMA) and the Deep Extragalactic Visible Legacy Survey (DEVILS) observational data sets to calculate the cosmic star formation rate (SFR) and a…
Hidden giants in JWST's PEARLS: An ultra-massive z=4.26 sub-millimeter galaxy that is invisible to HST
Ian Smail, Ugne Dudzeviciute, Mark Gurwell +32
We present a multi-wavelength analysis using SMA, JCMT, NOEMA, JWST, HST, and SST of two dusty strongly star-forming galaxies, 850.1 and 850.2, seen through the massive cluster len…
Spectroscopy of the Supernova H0pe Host Galaxy at Redshift 1.78
M. Polletta, M. Nonino, B. Frye +42
Supernova (SN) H0pe was discovered as a new transient in James Webb Space Telescope (JWST) NIRCam images of the galaxy cluster PLCK G165.7+67.0 taken as part of the "Prime Extragal…
Magellanic System Stars Identified in SMACS J0723.3-7327 James Webb Space Telescope Early Release Observations Images
Jake Summers, Rogier A. Windhorst, Seth H. Cohen +23
We identify 71 distant stars in JWST/NIRCam ERO images of the field of galaxy cluster SMACS J0723.3-7327 (SMACS 0723). Given the relatively small () angular separ…
The Long and the Short of It: The Benefits and Leverage of Ultraviolet-Radio Galaxy Fitting
Jessica E. Thorne, Aaron S. G. Robotham, Sabine Bellstedt +1
Traditionally, the far ultraviolet (FUV) to far-infrared (FIR) and radio spectral energy distributions (SEDs) of galaxies have been considered separately despite the common physica…
EPOCHS Paper II: The Ultraviolet Luminosity Function from using 180 square arcminutes of deep, blank-fields from the PEARLS Survey and Public JWST data
Nathan J. Adams, Christopher J. Conselice, Duncan Austin +34
We present an analysis of the ultraviolet luminosity function (UV LF) and star formation rate density of distant galaxies () in the `blank' fields of the Prime Extr…
Galaxy And Mass Assembly (GAMA): Bulge-disk decomposition of KiDS and VIKING data in the nearby universe
Sarah Casura
In this thesis, we derive a catalogue of robust structural parameters for the components of a large sample of nearby GAMA galaxies while at the same time contributing to the advanc…
Are JWST/NIRCam color gradients in the lensed z=2.3 dusty star-forming galaxy El Anzuelo due to central dust attenuation or inside-out galaxy growth?
Patrick S. Kamieneski, Brenda L. Frye, Massimo Pascale +24
Gradients in the mass-to-light ratio of distant galaxies impede our ability to characterize their size and compactness. The long-wavelength filters of 's NIRCam offer a signi…
PEARLS: Low Stellar Density Galaxies in the El Gordo Cluster Observed with JWST
Timothy Carleton, Seth H. Cohen, Brenda Frye +23
A full understanding of how unusually large "Ultra Diffuse Galaxies" (UDGs) fit into our conventional understanding of dwarf galaxies remains elusive, despite the large number of o…
Paper 1: The JWST PEARLS View of the El Gordo Galaxy Cluster and of the Structure It Magnifies
Brenda L. Frye, Massimo Pascale, Nicholas Foo +41
The massive galaxy cluster El Gordo (z=0.87) imprints multitudes of gravitationally lensed arcs onto James Webb Space Telescope (JWST) Near-Infrared Camera (NIRCam) images. Eight b…