activity
20232026
most citedLittle impact of mergers and galaxy morphology on the production and escape of ionizing photons in the early Universe

10 citations · 23 across the 11 of their papers we have counts for

collaborators

13 papers

astro-ph.GA2026

CHAMPS: The COSMOS High-Redshift ALMA-MIRI Population Survey - A New Census of the Dusty Early Universe

Andreas L. Faisst, Felix Martinez, Jeyhan S. Kartaltepe +86

Understanding how dust forms and evolves over cosmic time is a key open problem in extragalactic astrophysics. Galaxies in the early Universe were once thought to be mostly dust-po…

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

Little Red Dots at z~2 in EIGER reveal a gentle decline with respect to their peak number density at z~5

Shrriya Kapoor, Jorryt Matthee, Alberto Torralba +10

We report the discovery of a sample of little red dots (LRDs) at identified from deep JWST/NIRCam imaging and wide-field slitless spectroscopy over arcmin f…

astro-ph.GA2026

First-star imprints in a metal-poor galaxy overdensity near the end of reionization

Zihao Li, Koki Kakiichi, Lise Christensen +24

The first generation of stars, known as Population III (Pop III), formed from primordial gas consisting solely of hydrogen and helium and is believed to have emerged only a few hun…

astro-ph.GA2026★ 1 cited

The Engine and its Flows: Little Red Dot spectra are shaped by the column densities of their gas envelopes

Jorryt Matthee, Alberto Torralba, Gabriele Pezzulli +23

JWST data have enabled the abundant identification of compact broad Balmer line sources nicknamed the Little Red Dots. While they share broad lines with active galactic nuclei, the…

astro-ph.GA2026★ 1 cited

All the Massive Galaxy Overdensities during Reionization: JWST Rest-Frame Optical Selection Reveals Young, Chemically Evolved Galaxies Embedded in Dense, Neutral Gas at z > 5

Chamilla Terp, Kasper E. Heintz, Jorryt Matthee +7

The high-redshift progenitors of present-day galaxy clusters are believed to substantially contribute to the global star-formation rate density and drive the large-scale reionizati…

astro-ph.GA2025★ 4 cited

Rapid, out of equilibrium metal enrichment indicated by a flat mass-metallicity relation at z~6 from NIRCam grism spectroscopy

Gauri Kotiwale, Jorryt Matthee, Daichi Kashino +17

We aim to characterise the mass-metallicity relation (MZR) and the 3D correlation between stellar mass, metallicity and star-formation rate (SFR) known as the fundamental metallici…

astro-ph.GA2025

The Light Echo of a High-Redshift Quasar mapped with Lyman- Tomography

Anna-Christina Eilers, Minghao Yue, Jorryt Matthee +11

Ultra-violet (UV) radiation from accreting black holes ionizes the intergalactic gas around early quasars, carving out highly ionized bubbles in their surroundings. Any changes in…

astro-ph.GA2025

BlackTHUNDER: Evidence of three massive black holes in a z~5 galaxy

Hannah Übler, Giovanni Mazzolari, Roberto Maiolino +41

We present observational evidence of three massive, accreting black holes (BHs) in the z=5.0167 galaxy J0148-4214 from JWST/NIRSpec-IFU spectroscopy. The BHs are revealed through b…

astro-ph.GA2025

Escape fractions from unattenuated Ly emitters around luminous quasars

Minghao Yue, Anna-Christina Eilers, Jorryt Matthee +7

Ionized proximity zones around luminous quasars provide a unique laboratory to characterize the Ly emission lines from galaxies without significant attenuation from the in…

astro-ph.GA2025★ 1 cited

Fe Abundances of Early Galaxies at Derived with Deep JWST Spectra

Minami Nakane, Masami Ouchi, Kimihiko Nakajima +12

We derive Fe-abundance ratios of 7 galaxies at with whose JWST/NIRSpec spectra achieve very high signal-to-noise ratios, , a…

astro-ph.GA2025★ 10 cited

Little impact of mergers and galaxy morphology on the production and escape of ionizing photons in the early Universe

S. Mascia, L. Pentericci, M. Llerena +28

Compact, star-forming galaxies with high star formation rate surface densities () are often efficient Lyman continuum (LyC) emitters at , likely as inten…

astro-ph.GA2023★ 6 cited

Identifying Lyα emitter candidates with Random Forest: learning from galaxies in CANDELS survey

L. Napolitano, L. Pentericci, A. Calabrò +8

The physical processes which make a galaxy a Lyman Alpha Emitter have been extensively studied for the past 25 years. However, the correlations between physical and morphological p…