activity
20152026
most citedThe implications of the surprising existence of a large, massive CO disk in a distant protocluster

81 citations · 204 across the 17 of their papers we have counts for

collaborators

18 papers

astro-ph.GA2026

Vz-GAL Dusty Star-Forming Galaxies: Revisiting the CO-H2 Conversion Factor Tension

Prachi Prajapati, Axel Weiss, Dominik Riechers +17

The CO luminosity-to-H mass conversion factor () remains a debated uncertainty in determining molecular gas masses of high-redshift dusty star-forming galaxies (DSFGs).…

astro-ph.GA2026

Breathless BEARS: [O] 88m Emission of Dusty Star-Forming Galaxies at

T. J. L. C. Bakx, Hiddo S. B. Algera, Prachi Prajapati +13

We present [O] 88m observations towards four -selected dusty star-forming galaxies (DSFGs; log L/L = 13.5 - 14 at $z…

astro-ph.GA2025★ 3 cited

Vz-GAL: Probing Cold Molecular Gas in Dusty Star-forming Galaxies at z=1-6

Prachi Prajapati, Dominik Riechers, Pierre Cox +20

We present the first results of Vz-GAL, a high-redshift CO(J=1-0) large survey with the Karl G. Jansky Very Large Array, targeting 92 Herschel-selected, infrared-luminous, dusty st…

astro-ph.GA2025★ 1 cited

Gas-Poor Hosts and Gas-Rich Companions of 3.5 Radio Active Galactic Nuclei: ALMA Insights into Jet Triggering and Feedback

Wuji Wang, Carlos De Breuck, Dominika Wylezalek +7

Cold gaseous systems play important roles in galaxy evolution by possibly providing fuel to ignite active galactic nuclei (AGN) activity and star-formation. In this work, we analyz…

astro-ph.GA2025

The Centre of Attention: a Powerful Radio Galaxy Pinpoints a NIR-Dark Protocluster at z~3.9

A. J. Hedge, N. Seymour, J. W. Broderick +8

We report the discovery of a protocluster identified from Atacama Large Millimetre/sub-millimetre Array Band 3 spectral scans of a bright radio source selected from the…

astro-ph.GA2025★ 8 cited

JWST + ALMA ubiquitously discover companion systems within kpc around four 3.5 luminous radio-loud AGN

Wuji Wang, Carlos De Breuck, Dominika Wylezalek +11

Mergers play important roles in galaxy evolution at and beyond Cosmic Noon (). They are found to be a trigger of active galactic nuclei (AGN) activity and a process for gro…

astro-ph.GA2025

The SUPERCOLD-CGM survey: II. [\ion{C}{1}] emission and the physical conditions of cold gas in Enormous Ly nebulae at

Jianan Li, Bjorn H. C. Emonts, Zheng Cai +13

We report ALMA and ACA observations of atomic carbon ([\ion{C}{1}]) and dust continuum in 10 Enormous Ly Nebulae hosting ultra-luminous Type-I QSOs at , as par…

astro-ph.GA2024★ 2 cited

Gas dynamics in an AGN-host galaxy at : regular rotation, non-circular motions, and mass models

Lingrui Lin, Federico Lelli, Carlos De Breuck +9

The gas dynamics of galaxies provide critical insights into the evolution of both baryons and dark matter (DM) across cosmic time. In this context, galaxies at cosmic noon -- the p…

astro-ph.GA2024

The GLEAMing of the first supermassive black holes: III. Radio sources with ultra-faint host galaxies

J. W. Broderick, N. Seymour, G. Drouart +10

We present deep near-infrared -band imaging for 35 of the 53 sources from the high-redshift () radio galaxy candidate sample defined in Broderick et al. (2022). T…

astro-ph.IM2024

WST -- Widefield Spectroscopic Telescope: Motivation, science drivers and top-level requirements for a new dedicated facility

Roland Bacon, Vincenzo Maineiri, Sofia Randich +37

In this paper, we describe the wide-field spectroscopic survey telescope (WST) project. WST is a 12-metre wide-field spectroscopic survey telescope with simultaneous operation of a…

astro-ph.GA2024★ 1 cited

JWST discovers an AGN ionization cone but only weak radiative-driven feedback in a powerful 3.5 radio-loud AGN

Wuji Wang, Dominika Wylezalek, Carlos De Breuck +7

We present the first results from a JWST program studying the role played by powerful radio jets in the evolution of the most massive galaxies at the onset of Cosmic Noon. Using NI…

astro-ph.GA2024

Absorption of Millimeter-band CO and CN in the Early Universe: Molecular Clouds in Radio Galaxy B2 0902+34 at Redshift 3.4

Bjorn Emonts, Steve Curran, George Miley +9

Using the Karl G. Jansky Very Large Array (VLA), we have detected absorption lines due to carbon-monoxide, CO(J=0-1), and the cyano radical, CN(N=0-1), associated with radio galaxy…

astro-ph.GA2023★ 1 cited

COALAS II. Extended molecular gas reservoirs are common in a distant, forming galaxy cluster

Zhengyi Chen, Helmut Dannerbauer, Matthew Lehnert +24

This paper presents the results of 475 hours of interferometric observations with the Australia Telescope Compact Array towards the Spiderweb protocluster at \(z=2.16\). We search…

astro-ph.GA2023★ 15 cited

3D tomography of the giant Ly nebulae of 3--5 radio-loud AGN

Wuji Wang, Dominika Wylezalek, Joël Vernet +12

Ly emission nebulae are ubiquitous around high-z galaxies and are tracers of the gaseous environment on scales out to >100 kpc. High-z radio galaxies (HzRGs, type-2 radio-loud q…

astro-ph.GA2019★ 23 cited

The cold circumgalactic environment of MAMMOTH-I: dynamically cold gas in the core of an Enormous Ly-alpha Nebula

Bjorn Emonts, Zheng Cai, Xavier Prochaska +2

The MAMMOTH-I Nebula at redshift 2.3 is one of the largest known Ly-alpha nebulae in the Universe, spanning ~440 kpc. Enormous Ly-alpha nebulae like MAMMOTH-I typically trace the d…

astro-ph.GA2017★ 81 cited

The implications of the surprising existence of a large, massive CO disk in a distant protocluster

H. Dannerbauer, M. D. Lehnert, B. H. C. Emonts +18

It is not yet known if the properties of molecular gas in distant protocluster galaxies are significantly affected by their environment as galaxies are in local clusters. Through a…

astro-ph.GA2016★ 41 cited

ALMA Finds Dew Drops in the Dusty Spider's Web

B. Gullberg, M. D. Lehnert, C. De Breuck +10

We present 0."5 resolution ALMA detections of the observed 246GHz continuum, [CI]^3P_2-^3P_1 fine structure line ([CI]2-1), CO(7-6) and H2O lines in the z=2.161 radio galaxy MRC113…

astro-ph.GA2015★ 28 cited

A CO-rich merger shaping a powerful and hyper-luminous infrared radio galaxy at z=2: the Dragonfly Galaxy

B. H. C. Emonts, M. Y. Mao, A. Stroe +17

In the low-redshift Universe, the most powerful radio sources are often associated with gas-rich galaxy mergers or interactions. We here present evidence for an advanced, gas-rich…