activity
20242026
most citedWitnessing the onset of reionisation via Lyman- emission at redshift 13

62 citations · 294 across the 79 of their papers we have counts for

collaborators

91 papers

astro-ph.GA2026

Unveiling the correlation between the UV 2175 Å dust attenuation bump, PAH emission, and gas-phase metallicity at cosmic noon

L. Arriscado, I. Shivaei, L. A. Boogaard +17

The UV 2175 Å attenuation bump is one of the most prominent yet poorly understood features of galaxy attenuation curves. Its main candidate carrier is polycyclic aromatic hydrocarb…

astro-ph.IM2026

Probing cold gas and dust in quiescent galaxies across cosmic time

Anita Zanella, Sirio Belli, Belen Alcalde Pampliega +35

The discovery of massive quiescent galaxies at high redshift by JWST has revealed that star formation can cease rapidly in the early Universe, yet the physical mechanisms responsib…

astro-ph.GA2026

An Attenuation Bump at z=9.3: Probing Dust Diversity at Cosmic Dawn

Giulia Rodighiero, Santiago Álvarez-Córdoba, Michele Catone +46

We report the identification of a UV attenuation bump in the Black Pearl, a galaxy at a spectroscopic redshift of 9.3335 observed with JWST/NIRSpec as part of the ZENITH and EMBER…

astro-ph.GA2026

The Dance of the Little Red Dots: Spectroscopy of Two Blue Companions at z = 3.9 and 5.5 Reveals Young, Metal-Poor Starbursts Merging with Their LRDs within a Few Hundred Myr

Fabio Pacucci, Pierluigi Rinaldi

The Little Red Dots (LRDs) are compact, red sources, abundant at and likely powered by massive black holes. Photometric studies have found blue companions…

astro-ph.GA2026

Discovery of the Lyman- Forest in a Star-Forming Galaxy at : Implications for the Timing and Topology of Cosmic Reionization

Jakob M. Helton, Joris Witstok, Marta Laska +15

The escape of ionizing photons from galaxies during the Epoch of Reionization is often inferred indirectly because the intervening neutral hydrogen in the intergalactic medium (IGM…

astro-ph.IM2026

Source--Line Associations in JWST/NIRSpec Dense-Shutter Spectroscopy

Zihao Wu, Daniel J. Eisenstein, Francesco D'Eugenio +9

We demonstrate the feasibility of source--line association in JWST/NIRSpec dense-shutter spectroscopy, with 2000 sources observed simultaneously per pointing regardless of sp…

astro-ph.GA2026

Exploring the observed properties of JWST Little Red Dots with cosmological simulations and dust radiative transfer

Saksham Chandna, Fabio Di Mascia, Simona Gallerani +6

JWST has uncovered compact high-redshift (z>=4) sources, dubbed Little Red Dots (LRDs), characterised by a distinct V-shaped continuum. Their nature remains debated since broad-lin…

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

PRISMS. GHZ1. A standard tale of galaxy evolution with atypical ionizing conditions at

Borja Pérez-Díaz, Marco Castellano, Javier Álvarez-Márquez +33

[Abridged] The first operating years of the James Webb Space Telescope (JWST) have revealed a surprising number of UV-bright objects, many of them characterized by t…

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

The Physical Conditions of Low-Mass Galaxies at z=3.5-7.0 from JWST Spectroscopy: The Behaviour of Spectral Line Ratios with Burstiness

Ryan A. Cooper, Karina I. Caputi, Alessandro Marconi +5

We present a study of the physical conditions of galaxies at redshifts , based on emission-line diagnostics of JWST NIRSpec spectra for 1889 star-forming sources spannin…

astro-ph.GA2026

Low Ly Visibility in Galaxy Overdensities: Reionization Topology and Neutral-Fraction Ceilings from DIVER over

Yongda Zhu, Xiaohui Fan, Laura C. Keating +19

Ly-alpha emission is widely used to trace cosmic reionization, but its interpretation depends on how Ly-alpha visibility varies with galaxy environment. We use deep JWST/NIRSpec ob…

astro-ph.SR2026

JWST/NIRSpec Spectra for Three Ultracool Brown Dwarfs Detected in Extragalactic Surveys: Further Evidence for Phosphine Absorption

Kevin N. Hainline, Samuel A. Beiler, Adam J. Burgasser +14

We present JWST NIRSpec prism spectra for three ultracool brown dwarfs discovered in extragalactic survey data, two from the JWST Advanced Deep Extragalactic Survey (JADES), and on…

astro-ph.GA2026

PhotoIFU: NIRCam as a Photometric Integral Field Unit for Mapping Feedback in Galaxies

Yongda Zhu, Marcia J. Rieke, Courtney Carreira +25

We present PhotoIFU, a workflow that uses deep multi-band imaging as a low-resolution photometric integral field unit. Applied to PSF-matched JWST/NIRCam imaging, PhotoIFU treats e…

astro-ph.GA2026

A quasar hatching from a buried red phase at z = 3.7

Zheng Ma, Yongda Zhu, Zhiyuan Ji +21

We present JADES-GS 209777, previously cataloged as CANDELS J033238.02-274626.2, hereafter "the Hatchling," a red quasar at . While the source has been reported in earlier…

astro-ph.GA2026

An (in)complete NIRSpec census of Balmer absorption in Type 1 AGN -- radiation-driven outflows in little red dots, quasars and variable stars

Ignas Juodžbalis, Xihan Ji, Francesco D'Eugenio +17

A notable achievement of the first generation of JWST surveys was the discovery of an abundance of faint high-redshift () broad-line active galactic nuclei (AGN) in the $L_{…

astro-ph.GA2026

Constraints on the Gas Geometry Surrounding Little Red Dots through Narrow-Line Diagnostics

Visal Sok, Erica J. Nelson, Mitchell C. Begelman +10

Little Red Dots (LRDs) are a recently identified population of high-redshift sources, with a common interpretation being accreting black holes embedded within a spherical, opticall…

astro-ph.GA2026

Little Red and Blue Dots: AGN-excited narrow lines, Lyman- emission, and resemblance to standard quasars

Sophia Geris, Roberto Maiolino, Xihan Ji +35

We present an analysis of a sample of 36 Little Red and Blue Dots (LRDs and LBDs) at , identified by JWST in the GOODS fields. While both categories are selected to ha…

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★ 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

A Census of Na D-traced neutral ISM and outflows at

Yang Sun, Zhiyuan Ji, Francesco D'Eugenio +11

We present a statistical census of the Na D-traced neutral interstellar medium (ISM) and outflows in 309 galaxies at using JWST/NIRSpec medium-resolution spectroscopy fro…

astro-ph.GA2026

Intense and extended CIII] emission suggests a strong outflow in JADES-GS-z14-0

Stefano Carniani, Peter Jakobsen, Giacomo Venturi +31

JWST has revealed an overabundance of very bright, blue galaxies at z>10, raising fundamental questions about how star formation and feedback operate at Cosmic Dawn. We present new…

astro-ph.GA2026

The Way We Tally Becomes the Tale: the Impact of Selection Strategies on the Inferred Evolution of Little Red Dots Across Cosmic Time

Pierluigi Rinaldi, Kevin Hainline, Francesco D'Eugenio +27

Little Red Dots (LRDs) have emerged as a key population linked to early black hole growth, yet photometric selections have predominantly targeted only the most extreme red systems,…

astro-ph.GA2026★ 2 cited

The Cliff: A Metal-Poor Little Red Dot Hosting an Overmassive Black Hole at

Lucy R. Ivey, Francesco D'Eugenio, Roberto Maiolino +18

JWST has revealed a large population of massive black holes (BHs) in the early Universe with unusual properties which mark them as distinct from low-redshift active galactic nuclei…