103 citations · 511 across the 39 of their papers we have counts for
38 papers · 1 filter
EPOCHS-DR2 I: Expanded data release and properties of photometrically selected galaxies across NIRCam deep fields covering with the galfind software
Duncan Austin, Christopher J. Conselice, Thomas Harvey +14
We present the \epochstwo\ sample of star forming galaxies at produced using the \galfind\ photometric pipeline across $\sim650-740~\mathrm{arcmin}^2…
Sown at Cosmic Dawn: Searching for Pop III Signatures in JWST JADES He II Selected Line Emitters
Rosa Roberts, Giorgia Riley, Christopher J. Conselice +4
Population III (Pop III) stars, the first generation of metal-free stars, remain undetected, partly because entirely pristine galaxies represent a short-lived phase. We instead tar…
The Roman eXtreme Deep Field (RXDF)
Haojing Yan, Anton M. Koekemoer, Yue Shen +127
The Roman eXtreme Deep Field (RXDF) program is one of the five General Astrophysics Survey (GAS) programs approved for observing time with the Nancy Grace Roman Space Telescope in…
A nuclear disc at Cosmic Noon: evidence of early bar-driven galaxy evolution
Zoe A. Le Conte, Dimitri A. Gadotti, Thomas Harvey +7
Recent studies have revealed that bars can form as early as a few billion years after the Big Bang, already displaying characteristics similar to those of evolved bars in the Local…
Resolving the ionizing photon budget crisis with JWST/NIRCam HII clumping constraints at z=6
Duncan Austin, Thomas Harvey, Christopher J. Conselice +18
We present a comprehensive study of the ionizing properties of 1721 galaxies at using deep JWST/NIRCam photometric imaging from the NEP, JADES, and PRIMER surveys spann…
Cloudy with a chance of starshine: Possible photometric signatures of nebular-dominated emission in JADES galaxies
James A. A. Trussler, Alex J. Cameron, Daniel J. Eisenstein +21
The discovery of high-redshift galaxies exhibiting a steep spectral UV downturn potentially indicative of two-photon continuum emission marks a turning point in our search for sign…
A dual AGN at z = 5.4 associated with a Lyman-alpha Nebula in the Center of a Cosmic Filament
Qiong Li, Christopher J. Conselice, Qiao Duan +9
Predictions from current theories and simulations suggest that dual AGN systems are exceedingly rare at high redshifts. The intense radiation and powerful outflows from AGNs regula…
Reionization in Protocluster Environments at with JWST/NIRSpec
Qiong Li, Christopher J. Conselice, Duncan Austin +4
Understanding the role of high-redshift protoclusters in cosmic reionization is essential to unveiling the early stages of structure formation. Using deep imaging and spectroscopy…
Dissecting Reionisation with the Cosmic Star Formation and Active Galactic Nuclei Luminosity History
Jordan C. J. D'Silva, Simon P. Driver, Claudia D. P. Lagos +23
The combination of the cosmic star formation history and active galactic nuclei (AGN) luminosity history as inferred by the James Webb Space Telescope is connected to th…
Lonely Little Red Dots: Challenges to the AGN-nature of little red dots through their clustering and spectral energy distributions
María Carranza-Escudero, Christopher J. Conselice, Nathan Adams +31
Observations with the James Webb Space Telescope (JWST) reveal a previously unseen population of compact red objects, known as ``little red dots`` (LRDs). We study a new photometri…
Galaxy-scale lens search in the PEARLS NEP TDF and CEERS JWST fields
Giovanni Ferrami, Nathan J. Adams, Lewi Westcott +14
We present four galaxy scale lenses discovered in two JWST blank-fields: the ~ 54 arcmin^2 of the PEARLS North-Ecliptic-Pole Time-Domain Field (NEP TDF) and in the ~ 90 arcmin^2 of…
Behind the Spotlight: A systematic assessment of outshining using NIRCam medium-bands in the JADES Origins Field
Thomas Harvey, Christopher J. Conselice, Nathan J. Adams +9
The spatial resolution and sensitivity of JWST's NIRCam instrument has revolutionised our ability to probe the internal structure of early galaxies. By leveraging deep medium-band…
JWSTs PEARLS: NIRCam imaging and NIRISS spectroscopy of a star-forming galaxy lensed into a near-Einstein Ring by a massive elliptical galaxy
Nathan J. Adams, Giovanni Ferrami, Lewi Westcott +30
We present the discovery, and initial lensing analysis, of a high-redshift galaxy-galaxy lensing system within the JWST-PEARLS/HST-TREASUREHUNT North Ecliptic Pole Time Domain Fiel…
Self-Consistent JWST Census of Star Formation and AGN activity at z=5.5-13.5
Jordan C. J. D'Silva, Simon P. Driver, Claudia D. P. Lagos +24
The cosmic star formation history (CSFH) and cosmic active galactic nuclei (AGN) luminosity history (CAGNH) are self consistently measured at . This is achieved by an…
New Methods of Identifying AGN in the Early Universe using Spectroscopy and Photometry in the JWST Era
Flor Arevalo Gonzalez, Titanilla Braun, James Trussler +7
We explore spectroscopic and photometric methods for identifying high-redshift galaxies containing an Active Galactic Nucleus (AGN) with JWST observations. After demonstrating the…
Cosmic Stillness: High Quiescent Galaxy Fractions Across Upper Mass Scales in the Early Universe to z = 7 with JWST
Tobias A. Russell, Neva Dobric, Nathan J. Adams +25
We present a detailed investigation into the abundance and morphology of high redshift quenched galaxies at using James Webb Space Telescope data in the NEP, CEERS and…
EPOCHS XI: The Structure and Morphology of Galaxies in the Epoch of Reionization to z ~ 12.5
Lewi Westcott, Christopher J. Conselice, Thomas Harvey +29
We present a structural analysis of 521 galaxy candidates at 6.5 < z < 12.5, with in the F444W filter, taken from the EPOCHS v1 sample, consisting of uniformly reduced…
Galaxy Mergers in the Epoch of Reionization II: Major Merger-Triggered Star Formation and AGN Activities at 4.5-8.5
Qiao Duan, Qiong Li, Christopher J. Conselice +29
Galaxy mergers are a key driver of galaxy formation and evolution, including the triggering of AGN and star formation to a still unknown degree. We thus investigate the impact of g…
EPOCHS I. The Discovery and Star Forming Properties of Galaxies in the Epoch of Reionization at with PEARLS and Public JWST data
Christopher J. Conselice, Nathan Adams, Thomas Harvey +32
We present in this paper the discovery, properties, and a catalog of 1165 high redshift galaxies found in deep JWST NIRCam imaging from the GTO PEARLS survey combine…
Galaxy Mergers in the Epoch of Reionization I: A JWST Study of Pair Fractions, Merger Rates, and Stellar Mass Accretion Rates at
Qiao Duan, Christopher J. Conselice, Qiong Li +30
We present a full analysis of galaxy major merger pair fractions, merger rates, and mass accretion rates, thus uncovering the role of mergers in galaxy formation at the earliest pr…
EPOCHS Paper X: Environmental effects on Galaxy Formation and Protocluster Galaxy candidates at from JWST observations
Qiong Li, Christopher J. Conselice, Florian Sarron +16
In this paper we describe our search for galaxy protocluster candidates at and explore the environmental and physical properties of their member galaxies identified t…
EPOCHS Paper V. The dependence of galaxy formation on galaxy structure at z < 7 from JWST observations
Christopher J. Conselice, Justin T. F. Basham, Daniel O. Bettaney +11
We measure the broad impact of galaxy structure on galaxy formation by examining the ongoing star formation and integrated star formation history as revealed through the stellar ma…
EPOCHS III: Unbiased UV continuum slopes at 6.5<z<13 from combined PEARLS GTO and public JWST NIRCam imaging
Duncan Austin, Christopher J. Conselice, Nathan J. Adams +34
We present an analysis of rest-frame UV continuum slopes, , using a sample of 1011 galaxies at from the EPOCHS photometric sample collated from the GTO PEARLS and pub…
Like a candle in the wind: The embers of once aflame, now smouldering galaxies at
James Trussler, Christopher Conselice, Nathan Adams +8
We develop a photometric search method for identifying smouldering galaxies at , which are defined to have weak emission lines and thus generally have low specific star f…