activity
20232026
most citedEPOCHS IV: SED Modelling Assumptions and their impact on the Stellar Mass Function at 6.5 < z < 13.5 using PEARLS and public JWST observations

60 citations · 165 across the 22 of their papers we have counts for

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23 papers · 1 filter

astro-ph.GA2026

LATED: JWST integral field spectroscopy of a galaxy caught in chemical infancy at behind Abell 2744

Mingyu Li, Roberto Maiolino, Zheng Cai +26

When Population III (Pop III) star formation ended remains an open question. LATED-1 is an intrinsically faint () Ly emitter at revealed by VLT/MU…

astro-ph.GA2026

LATED: Ly-anchored photometric selection of candidate metal-free and extremely metal-poor star formation from the end of reionisation to cosmic noon

Mingyu Li, Zheng Cai, Roberto Maiolino +24

Cosmological simulations allow a low-level tail of Population III (Pop III) star formation to persist to . Spectroscopic confirmation is expensive, so an efficient photometr…

astro-ph.GA2026

JADES: Dynamical Measurements of Dark Matter Halo Masses at Using Galaxy Pairs

Zihao Wu, Daniel J. Eisenstein, Benjamin D. Johnson +13

We present dynamical measurements of dark matter halo masses at using galaxy pairs. Galaxy pairs in the early Universe are usually in their first infall, before substan…

astro-ph.GA2026

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…

astro-ph.GA2026★ 2 cited

JADES: the mass-metallicity relation at . New calibrations, extremely metal-poor galaxies, and chemical diversity

Yuki Isobe, Mirko Curti, Roberto Maiolino +28

We present gas-phase metallicities of star-forming galaxies at -10 with deep JWST/NIRSpec spectra from the JADES full data release, Dark Horse, and OASIS programmes. We stack…

astro-ph.GA2026

A Steep-Extinction Quasi-stellar Object at z=4.6: JWST Evidence for Abundant Small Dust Grains

Mingyu Li, Zheng Cai, Roberto Maiolino +9

The rapid accumulation of massive dust reservoirs in the early Universe remains a major challenge in astrophysics. While core-collapse supernovae can inject large dust grains ($a \…

astro-ph.GA2026★ 1 cited

JWST Advanced Deep Extragalactic Survey (JADES) Data Release 5: stellar population catalogue for galaxies in GOODS-N and GOODS-S

Qiao Duan, Sandro Tacchella, Benjamin D. Johnson +37

We present the galaxy stellar population catalogue from the JWST Advanced Deep Extragalactic Survey (JADES) Data Release 5 (DR5), providing homogeneous Bayesian inference of physic…

astro-ph.GA2026

Metal Mayhem at z~7-10: Diversity and Evolution of Gas-Phase Metallicity Gradients

Maria Koller, Roberto Maiolino, Hannah Übler +16

We present a JWST/NIRSpec Integral Field Unit (IFU) study of metallicity gradients in seven low-metallicity systems at . The main sample spans stellar masses of $\rm \lo…

astro-ph.GA2026

GA-NIFS: Dissecting The Alchemised: JWST reveals turbulent metal-poor gas fuelling a co-spatial starburst in a complex system at

Robert G. Pascalau, Francesco D'Eugenio, Roberto Maiolino +25

Recent observations revealed that distant galaxies have bursty star formation histories, regulated by stellar or active galactic nuclei (AGN) feedback and gas inflows. According to…

astro-ph.GA2025

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…

astro-ph.GA2025★ 15 cited

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…

astro-ph.GA2025★ 7 cited

When relics were made: vigorous stellar rotation and low dark matter content in the massive ultra-compact galaxy GS-9209 at z=4.66

Robert G. Pascalau, Francesco D'Eugenio, Sandro Tacchella +24

JWST uncovered a large number of massive quiescent galaxies (MQGs) at , which theoretical models struggle to reproduce. Explaining the number density of such objects requires…

astro-ph.GA2025★ 1 cited

JADES and SAPPHIRES: Galaxy Metamorphosis Amidst a Huge, Luminous Emission-line Region

Francesco D'Eugenio, Jakob M. Helton, Kevin Hainline +32

We report the discovery of a remarkably large and luminous line-emitting nebula extending on either side of the Balmer-break galaxy JADES-GS-518794 at z=5.89, detected with JADES J…

astro-ph.GA2025★ 3 cited

Constraining the major merger history of galaxies using JADES: dominant in-situ star formation

Dávid Puskás, Sandro Tacchella, Charlotte Simmonds +23

We present a comprehensive analysis of galaxy close-pair fractions and major merger rates to evaluate the importance of mergers in the hierarchical growth of galaxies over cosmic t…

astro-ph.GA2024★ 1 cited

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…

astro-ph.GA2024★ 8 cited

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…

astro-ph.GA2024★ 6 cited

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…

astro-ph.GA2024★ 48 cited

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…

astro-ph.GA2024

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…

astro-ph.GA2024★ 10 cited

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…

astro-ph.GA2024★ 1 cited

Dust Extinction Measures for Galaxies using Machine Learning on JWST Imaging

Kwan Lin Kristy Fu, Christopher J. Conselice, Leonardo Ferreira +4

We present the results of a machine learning study to measure the dust content of galaxies observed with JWST at z > 6 through the use of trained neural networks based on high-reso…

astro-ph.GA2024★ 60 cited

EPOCHS IV: SED Modelling Assumptions and their impact on the Stellar Mass Function at 6.5 < z < 13.5 using PEARLS and public JWST observations

Thomas Harvey, Christopher J. Conselice, Nathan J. Adams +31

We utilize deep JWST NIRCam observations for the first direct constraints on the Galaxy Stellar Mass Function (GSMF) at . Our EPOCHS v1 sample includes 1120 galaxy candidates…

astro-ph.GA2023★ 2 cited

Adding Value to JWST Spectra and Photometry: Stellar Population and Star Formation Properties of Spectroscopically Confirmed JADES and CEERS Galaxies at

Qiao Duan, Christopher J. Conselice, Qiong Li +5

In this paper, we discuss measurements of the stellar population and star forming properties for 43 spectroscopically confirmed publicly available high-redshift JWST galaxi…