B. Johnson

Discovery of the Lyman- $α$ Forest in a Star-Forming Galaxy at $z \approx 7.57$ : 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 $\sim$ 2000 sources observed simultaneously per pointing regardless of sp…

The JADES Transient Survey III: Linking Core-Collapse Supernova Rates to Cosmic Star Formation

Christian Vassallo, Seppo Mattila, Christa DeCoursey +24

We investigate how core-collapse supernova (CCSN) rates trace the star-formation rate densities (SFRDs) over the redshift range $0 \leq z \leq 5$ . For this we use new high-redshift r…

The JADES Transient Survey II: Volumetric Supernova Rates out to z~5

Christa DeCoursey, Christian Vassallo, Louis-Gregory Strolger +27

The JADES Transient Survey (JTS) identified 83 supernova (SN) candidates in the JADES Deep Field, a $\sim$ 25 arcmin $^{2}$ region with deep ( $\sim$ 30 mag) multi-band, multi-epoch JWST…

JWST spectroscopy of galaxies at $z > 10$ : Damped Ly $α$ absorbers reveal efficient star formation and hidden redshift biases

Kasper E. Heintz, Clara L. Pollock, Joris Witstok +23

Recent observations with JWST have revealed a remarkable population of surprisingly luminous galaxies at redshifts $z > 10$ . Their abundance exceed predictions from simulations and e…

Stellar masses of optically dark galaxies: uncertainty introduced by the attenuation law and star-formation histories

Yash Lapasia, Sandro Tacchella, Francesco D'Eugenio +11

Recent studies using JWST have suggested that some high-redshift galaxies may be ultra-massive, thereby challenging standard models of early galaxy formation. We analyse the stella…

JADES: Evolution of nitrogen abundances in star-forming galaxies from z ~ 1.5-7

Alex J. Cameron, Courtney Carreira, Charlotte Simmonds +22

We present nitrogen abundance measurements based on the low-ionisation [NII]6583 emission line for 588 galaxies between 1.5<z<7.0 from the JWST Advanced Deep Extragalactic Survey (…

astro-ph.GA2026★ 2 cited

JADES: Discovery of Large Reservoirs of Small Dust Grains in the Circumgalactic Medium of Massive Galaxies at $z \sim 3.5$ 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.IM2026★ 1 cited

JWST Advanced Deep Extragalactic Survey (JADES) Data Release 5: Wisp Subtraction with the Non-negative Matrix Factorization Algorithm

Zihao Wu, Benjamin D. Johnson, Daniel J. Eisenstein +8

Wisps are among the most prominent scattered light artifacts in JWST/NIRCam imaging. They often appear in certain regions of the detectors and contaminate observations at surface-b…

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★ 5 cited

JWST Advanced Deep Extragalactic Survey (JADES) Data Release 5: Photometric Catalog

Brant E. Robertson, Benjamin D. Johnson, Sandro Tacchella +34

JADES Data Release 5 (DR5) photometric catalogs and describes the methodologies used for source detection, deblending, photometry, uncertainty estimation, and catalog curation. The…

JWST Advanced Deep Extragalactic Survey (JADES) Data Release 5: MIRI Coordinated Parallels in GOODS-S and GOODS-N

Stacey Alberts, Daniel J. Eisenstein, Andrew J. Bunker +19

Medium to ultra-deep mid-infrared imaging surveys with the James Webb Space Telescope (JWST)'s Mid-Infrared Instrument (MIRI) are reframing our view of the early Universe, from the…

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…

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…

JADES: A Prominent Galaxy Overdensity Candidate within the First 500 Myr

Zihao Wu, Daniel J. Eisenstein, Benjamin D. Johnson +20

We report a galaxy overdensity candidate at $z \approx 10.5$ in the JWST Advanced Deep Extragalactic Survey (JADES). This overdensity contains 18 galaxies with consistent photometric…

JWST Advanced Deep Extragalactic Survey (JADES) Data Release 5: Photometrically Selected Galaxy Candidates at z > 8

Kevin N. Hainline, Daniel J. Eisenstein, Lily Whitler +34

We present a sample of 2081 sources selected at photometric redshift $z_{phot} > 8$ across the JADES DR5 data release in GOODS-S and GOODS-N over a total area of 469 squar…

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…

JADES: Low Surface Brightness Galaxies at 0.4 < z < 0.8 in GOODS-S

Tristen Shields, Marcia Rieke, Kevin Hainline +11

Low surface brightness galaxies (LSBs) are an important class of galaxies that allow us to broaden our understanding of galaxy formation and test various cosmological models. We pr…

The Challenge in Illuminating the Invisible: Constraining LyC Escape with Bayesian Modelling and Symbolic Regression

Amanda Stoffers, Sandro Tacchella, Charlotte Simmonds +2

Direct observations of Lyman continuum (LyC) radiation from galaxies during the Epoch of Reionization (EoR) are impeded by absorption in the intergalactic medium, requiring indirec…

astro-ph.GA2025★ 5 cited

The dark side of early galaxies: $geko$ uncovers dark-matter fractions at $z \sim 4 - 6$

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 $α$ morpho-kinematics…

astro-ph.GA2025★ 1 cited

Mergers lighting the early Universe: modest star formation enhancement without evidence for AGN or Ly $α$ triggering

Dávid Puskás, Sandro Tacchella, Charlotte Simmonds +16

Galaxy mergers and interactions are often invoked to explain enhanced star formation, black hole growth, and mass build-up of galaxies at later cosmic times, but their effect is po…

astro-ph.GA2025★ 3 cited

Cloudy with a chance of starshine: Possible photometric signatures of nebular-dominated emission in $1.5 < z < 8.5$ 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…