activity
20172026
most citedHost Galaxy Properties and Offset Distributions of Fast Radio Bursts: Implications for their Progenitors

239 citations · 2.4k across the 79 of their papers we have counts for

collaborators

83 papers

astro-ph.GA2026

The ALMA REBELS Survey: The [C II] Luminosity Function of UV-Selected Galaxies at

Thomas Herard-Demanche, Pascal A. Oesch, Rychard Bouwens +19

Luminosity functions (LF) are some of the most basic quantities providing insights into galaxy evolution across cosmic time and enabling a direct comparison between observations an…

astro-ph.GA2026

The DAWN JWST Archive: A spectroscopically-informed population study of the physical properties of galaxies at z>2

Rashmi Gottumukkala, Gabriel Brammer, Sune Toft +30

Charting the evolution of star-formation, stellar mass and dust build-up over cosmic time relies on the accurate characterisation of the stellar population properties of high redsh…

astro-ph.GA2026

Overmassive No More: The Case for Little Red Dots Hosting Black Hole Seeds as Massive as Single Supermassive Stars

Wendy Q. Sun, Rohan P. Naidu, Hanpu Liu +17

Little Red Dots (LRDs) display singular properties unlike any known class of AGN or galaxies, motivating novel mass estimators for their central engines. Inspired by their similari…

astro-ph.GA2026

Extreme outflow velocities and weak UV emission lines indicate quasars shedding their dust cocoons

Guozhen Ma, Stefan J. Geier, Johan P. U. Fynbo +11

The recently discovered low-ionisation broad absorption line (LoBAL) quasar GQ 13092904 is unusual due to its very broad, highly blueshifted absorption troughs and an absence of…

astro-ph.GA2026

JWST spectroscopy of galaxies at : Damped Ly 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 . Their abundance exceed predictions from simulations and e…

astro-ph.GA2026

Extended [CII] gas emission in and around a massive quiescent galaxy at z=7.3

F. Valentino, A. Pensabene, A. Weibel +16

We report the discovery of [CII] 158 micron emission in and around the most distant known massive quiescent galaxy RUBIES-UDS-QG-z7 at z = 7.27. Observed with ALMA in band 6, the […

astro-ph.GA2026

Too many protoclusters? Reconciling the overabundance of cluster progenitors within the first billion years of the Universe

Callum Witten, Jake S. Bennett, Pascal A. Oesch +8

JWST has revealed an overabundance of apparent (`Coma'-like) cluster progenitors at that is two (300) times in excess of, and in () tension with, the number…

astro-ph.GA2026

Characterising Ly damping wings at the onset of reionisation: Evidence for highly efficient star formation driven by dense, neutral gas in UV-bright galaxies at

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

One of the major conundrums in contemporary extragalactic astrophysics is the apparent overabundance of a remarkable population of UV-bright galaxies at redshifts . We…

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.GA2026

Inside the cocoon: a comprehensive explanation of the spectra of Little Red Dots

A. Sneppen, D. Watson, J. H. Matthews +10

JWST has revealed a population of compact galaxies in the early Universe with broad emission lines and strong Balmer breaks; among them the so-called ''little red dots'' (LRDs). Th…

astro-ph.GA2026★ 5 cited

Little Red Dot Host Galaxy Black Hole Star: A Gas-Enshrouded Heart at the Center of Every Little Red Dot

Wendy Q. Sun, Rohan P. Naidu, Jorryt Matthee +30

The central engines of Little Red Dots (LRDs) may be ``black hole stars" (BH*s), early stages of black hole growth characterized by dense gas envelopes. So far, the most direct evi…

astro-ph.GA2025

A first systematic study of [OIII] 88m at : two luminous oxygen lines and a powerful ionized outflow in the first 600 million years

Hiddo S. B. Algera, John R. Weaver, Tom J. L. C. Bakx +35

We present deep ALMA Band 7 observations of the [OIII] m line and underlying dust continuum emission in four UV-bright, gravitationally lensed (magnification ), JW…

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★ 2 cited

Little Red Dots host Black Hole Stars: A unified family of gas-reddened AGN revealed by JWST/NIRSpec spectroscopy

Anna de Graaff, Raphael E. Hviding, Rohan P. Naidu +34

We use the DAWN JWST Archive to construct and characterise a sample of 146 little red dots (LRDs) across 2.0<z<9.3, selecting all sources with v-shaped UV-optical continua from NIR…

astro-ph.GA2025★ 1 cited

REBELS-IFU: Linking damped Lyman- absorption to [CII] emission and dust content in the EoR

Lucie E. Rowland, Kasper E. Heintz, Hiddo Algera +19

Neutral gas in galaxies during the Epoch of Reionisation regulates star formation, dust growth, and the escape of ionising photons, making it a key ingredient in understanding both…

astro-ph.GA2025★ 1 cited

Evidence for inefficient dust production in a massive, metal-rich galaxy at uncovered by JWST and ALMA

Kasper E. Heintz, Darach Watson, Francesco Valentino +17

Recent observations have revealed a remarkably rapid buildup of cosmic dust in the interstellar medium (ISM) of high redshift galaxies, with complex dust compositions and large abu…

astro-ph.GA2025★ 6 cited

Evidence of violation of Case B recombination in Little Red Dots

G. P. Nikopoulos, D. Watson, A. Sneppen +4

Little Red Dots (LRDs) are a new class of compact extragalactic objects, with a v-shaped optical spectral energy distribution breaking close to the Balmer break wavelength, and bro…

astro-ph.GA2025★ 2 cited

The slope and scatter of the star forming main sequence at z~5 : reconciling observations with simulations

Claudia Di Cesare, Jorryt Matthee, Rohan P. Naidu +17

Galaxies exhibit a tight correlation between their star-formation rate and stellar mass over a wide redshift range known as the star-forming main sequence (SFMS). With JWST, we can…

astro-ph.GA2025

Neutral hydrogen in and around galaxies during the Epoch of Reionization

V. Gelli, C. Mason, A. Pallottini +9

JWST spectra revealing Lyman- (Ly) absorption in galaxies offer a unique probe of reionization's earliest stages. However, disentangling absorption by the increa…

astro-ph.GA2025

Diversity and Evolution of Dust Attenuation Curves from Redshift z ~ 1 to 9

Irene Shivaei, Rohan P. Naidu, Francisco Rodriguez Montero +23

The UV-optical dust attenuation curve is key to interpreting the intrinsic properties of galaxies and provides insights into the nature of dust grains and their geometry relative t…

astro-ph.GA2025

JWST Spectroscopic Insights Into the Diversity of Galaxies in the First 500 Myr: Short-Lived Snapshots Along a Common Evolutionary Pathway

Guido Roberts-Borsani, Pascal Oesch, Richard Ellis +21

We investigate the nature and spectroscopic diversity of early galaxies from a sample of 41 sources at z>10 with JWST/NIRSpec prism observations. We compare the properties of stron…

astro-ph.HE2025

A 50 s quasi-periodic oscillation in the early X-ray afterglow of GRB 220711B

H. Gao, W. -H. Lei, S. Xiao +19

It is generally believed that long duration gamma-ray bursts (GRBs) originate from the core collapse of rapidly spinning massive stars and at least some of them are powered by hype…

astro-ph.GA2025★ 5 cited

On the origins of oxygen: ALMA and JWST characterise the multi-phase, metal-enriched, star-bursting medium within a 'normal' galaxy

Joris Witstok, Renske Smit, William M. Baker +29

The unexpectedly high abundance of galaxies at revealed by JWST has sparked a debate on the nature of early galaxies and the physical mechanisms regulating their formation…

astro-ph.GA2025★ 10 cited

Novel auroral line measurements extend the gradual offset of the FMR deep into the first Gyr of cosmic time

Clara L. Pollock, Rashmi Gottumukkala, Kasper E. Heintz +15

The mass assembly and chemical enrichment of the first galaxies provide key insights into their star-formation histories and the earliest stellar populations at cosmic dawn. Here w…