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

62 citations · 295 across the 61 of their papers we have counts for

collaborators

63 papers

astro-ph.GA2026

Balmer Break Measurements Trace Departures from the Star-Forming Main Sequence at with JWST/NIRSpec

Suprabhas Narisetty, Yongda Zhu, Eiichi Egami +4

We present JWST/NIRSpec PRISM observations of galaxies at to study the relation between Balmer-break strength () and recent star formation. Using NIRSpec sp…

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.GA2026

Determining Total Infrared Luminosities from Submm Measurements of High Redshift Galaxies

Maria Emilia De Rossi, George H. Rieke, Christina C. Williams +6

Determining total infrared luminosities for very high redshift galaxies is important to estimate the rate of star formation in heavily dust-embedded environments. It is also challe…

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

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

Through the Veil: Ly Illuminates the Host Galaxies of Little Red Dots

Zhiyuan Ji, Yang Sun, Mauro Giavalisco +5

Little Red Dots (LRDs) are enigmatic, compact red sources ubiquitous in JWST deep fields whose physical nature remains elusive. As one of the most sensitive tracers of neutral hydr…

astro-ph.GA2026

Compact Core, Extended Reach: A Bipolar kpc-Scale Elongation in a Little Red Dot at

Zhiyuan Ji, Yang Sun, Mauro Giavalisco +7

Little Red Dots (LRDs) appear extremely compact at rest-frame optical wavelengths, yet many show extended rest-frame UV morphology revealing more complex internal structure. We pre…

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

Filling the Gap in Cluster Evolution: JWST's Glimpse into a Young, Star-Forming Cluster at Cosmic Noon

Pierluigi Rinaldi, Stacey Alberts, Christopher N. A. Willmer +12

We present a detailed study of HUDFJ0332.4-2746.6 (HUDF46), a overdensity in the Hubble Ultra Deep Field, previously identified with HST as a proto-cluster. JWST/N…

astro-ph.GA2026★ 1 cited

Little Red Dots: One Photometric Tag Concealing Diverse Spectroscopic Flavors of Massive Star Formation and Black Hole Activity

Pablo G. Pérez-González, Guillermo Barro, Stefano Carniani +61

We compile JWST/NIRSpec prism and MIRI data for 249 Little Red Dots (LRDs) at 2.3<z<9.3, forming a representative spectroscopic subset of NIRCam-selected LRDs. We derive a median s…

astro-ph.GA2026

MAGAZ3NE: Dust Deficiency in Ultramassive Quiescent Galaxies at with ALMA Observations

Wenjun Chang, Gillian Wilson, Ben Forrest +14

A major challenge in identifying massive quiescent galaxies at is distinguishing truly passive systems from dust-obscured star-forming galaxies, as both populations exhibit s…

astro-ph.GA2026★ 2 cited

JADES: Discovery of Large Reservoirs of Small Dust Grains in the Circumgalactic Medium of Massive Galaxies at through Deep JWST/NIRCam Imaging and Grism Spectroscopy

Fengwu Sun, Daniel J. Eisenstein, Francesco D'Eugenio +23

Using JWST NIRCam imaging and grism spectroscopy from the JWST Advanced Deep Extragalactic Survey (JADES) Origins Fields, we report spectroscopic redshift measurements of 1,445 emi…

astro-ph.GA2026★ 1 cited

JWST Advanced Deep Extragalactic Survey (JADES) Data Release 5: Catalogs of inferred morphological properties of galaxies from JWST/NIRCam imaging in GOODS-N and GOODS-S

Courtney Carreira, Brant E. Robertson, A. Lola Danhaive +26

We present morphological parameters and their uncertainties for all sources detected in JWST/NIRCam imaging in GOODS-N and GOODS-S from the JWST Advanced Deep Extragalactic Survey…

astro-ph.GA2026★ 4 cited

JWST Advanced Deep Extragalactic Survey (JADES) Data Release 5: NIRCam Imaging in GOODS-S and GOODS-N

Benjamin D. Johnson, Brant E. Robertson, Daniel J. Eisenstein +30

We present the Near Infrared Camera (NIRCam) imaging products of the fifth data release (DR5) of the James Webb Space Telescope (JWST) Advanced Deep Extragalactic Survey (JADES). T…

astro-ph.GA2026★ 1 cited

Clumps in High-Redshift Galaxies: Mass Scaling and Radial Trends from JADES

Yongda Zhu, Marcia J. Rieke, Zhiyuan Ji +20

Massive star-forming clumps are a prominent feature of high-redshift galaxies and are thought to trace gravitational fragmentation, feedback, and bulge growth in gas-rich disks. We…

astro-ph.GA2026

Undermassive Hosts of AGN from JWST/NIRCam Image Decomposition with CONGRESS, FRESCO, and JADES

Zheng Ma, Eichi Egami, Yongda Zhu +18

In the local Universe, supermassive black hole (SMBH) masses strongly correlate with their host-galaxies' stellar masses (), but galaxies hosting faint AGN recently found by…

astro-ph.GA2025

Ionizing Photon Production Efficiencies and Chemical Abundances at Cosmic Dawn Revealed by Ultra-Deep Rest-Frame Optical Spectroscopy of JADES-GS-z14-0

Jakob M. Helton, Jane E. Morrison, Kevin N. Hainline +40

JWST has discovered an early period of galaxy formation that was more vigorous than expected, which has challenged our understanding of the early Universe. In this work, we present…

astro-ph.GA2025★ 5 cited

The dark side of early galaxies: uncovers dark-matter fractions at

A. Lola Danhaive, Sandro Tacchella, Andrew J. Bunker +15

JWST/NIRCam slitless spectroscopy enables dynamical mass measurements for typical star-forming galaxies only a billion years after the Big Bang. We model the H morpho-kinematics…

astro-ph.GA2025

Early massive galaxy formation in the core of a galaxy protocluster 650 million years after the Big Bang

Yoshinobu Fudamoto, Yurina Nakazato, Daniel Ceverino +24

Rest-frame optical observations with the James Webb Space Telescope (JWST) have uncovered a population of massive galaxies, exceeding solar masses, present less than a bi…

astro-ph.GA2025

Confirming Near- to Mid-IR Photometrically-Identified Obscured AGNs in the JWST era

George H. Rieke, Yang Sun, Jianwei Lyu +6

We evaluate the underlying assumptions for the identification of Active Galactic Nuclei (AGNs) through near- and mid-infrared photometry and spectral energy distribution (SED) fitt…

astro-ph.GA2025★ 5 cited

Beyond the stars: Linking H sizes, kinematics, and star formation in galaxies at with JWST grism surveys and

A. Lola Danhaive, Sandro Tacchella, William McClymont +15

Understanding how galaxies assemble their mass during the first billion years of cosmic time is a central goal of extragalactic astrophysics, yet joint constraints on their sizes a…

astro-ph.GA2025★ 3 cited

JADES Dark Horse: demonstrating high-multiplex observations with JWST/NIRSpec dense-shutter spectroscopy in the JADES Origins Field

Francesco D'Eugenio, Erica J. Nelson, Daniel J. Eisenstein +40

We present JWST/NIRSpec dense-shutter spectroscopy (DSS). This novel observing strategy with the NIRSpec/MSA deliberately permits a high number of controlled spectral overlaps to r…