activity
20132025
most cited[CII] emission in z ~ 6 strongly lensed, star-forming galaxies

126 citations · 864 across the 33 of their papers we have counts for

collaborators

33 papers

astro-ph.GA2025

Resolving the molecular gas emission of the z~2.5-2.8 starburst galaxies SPT0125-47 and SPT 2134-50

K. Kade, M. Bredberg, K. Knudsen +4

The comoving cosmic star formation rate density peaks at z~2-3, with dusty star-forming galaxies being significant contributors to this peak. These galaxies are characterized by th…

astro-ph.GA2024★ 10 cited

COALAS III: The ATCA CO(1-0) look at the growth and death of H emitters in the Spiderweb protocluster at z=2.16

J. M. Pérez-Martínez, H. Dannerbauer, B. H. C. Emonts +26

We obtain CO(1-0) molecular gas measurements with ATCA on a sample of 43 spectroscopically confirmed H emitters in the Spiderweb protocluster at and investigate the rel…

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.GA2024★ 8 cited

Multi-wavelength properties of three new radio-powerful quasi-stellar objects discovered from RACS

L. Ighina, A. Caccianiga, A. Moretti +12

We present a multi-wavelength study of three new quasi-stellar objects (QSOs) identified from dedicated spectroscopic observations. The three sources were selected as hi…

astro-ph.GA2024★ 7 cited

Comprehensive view on a radio-loud QSO: from the radio to the optical/NIR to the X-ray band

Luca Ighina, Alessandro Caccianiga, Alberto Moretti +9

We present a multi-wavelength analysis, from the radio to the X-ray band, of the redshift VIK J231831 radio-loud (RL) quasi stellar object (QSO), one of the most distan…

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.GA2023★ 7 cited

The Dragonfly Galaxy. III. Jet-brightening of a High-redshift Radio Source Caught in a Violent Merger of Disk Galaxies

Sophie Lebowitz, Bjorn Emonts, Donald M. Terndrup +8

The Dragonfly Galaxy (MRC 0152-209), the most infrared-luminous radio galaxy at redshift z~2, is a merger system containing a powerful radio source and large displacements of gas.…

astro-ph.GA2022★ 21 cited

New Radio-Loud QSOs at the end of the Re-ionisation Epoch

L. Ighina, A. Caccianiga, A. Moretti +5

We present the selection of high-redshift () radio-loud (RL) quasi-stellar object (QSO) candidates from the combination of the radio Rapid ASKAP Continuum Survey (RACS…

astro-ph.GA2022★ 5 cited

The GLEAMing of the first supermassive black holes: II. A new sample of high-redshift radio galaxy candidates

J. W. Broderick, G. Drouart, N. Seymour +27

While unobscured and radio-quiet active galactic nuclei are regularly being found at redshifts , their obscured and radio-loud counterparts remain elusive. We build upon our…

astro-ph.GA2022★ 14 cited

Constraining the Radio Properties of the =6.44 QSO VIK J23183113

Luca Ighina, James K. Leung, Jess W. Broderick +19

The recent detection of the quasi-stellar object (QSO) VIKING J231818.3311346 (hereafter VIK J23183113) at redshift in the Rapid ASKAP Continuum Survey (RACS) uncove…

astro-ph.CO2022★ 1 cited

HST WFC3/Grism Observations of the Candidate Ultra-High-Redshift Radio Galaxy GLEAM J0917-0012

N. Seymour, G. Drouart, G. Noirot +11

We present Hubble Space Telescope Wide Field Camera 3 photometric and grism observations of the candidate ultra-high-redshift (z>7) radio galaxy, GLEAM J0917-0012. This radio sourc…

astro-ph.GA2021★ 16 cited

The GLEAMing of the First Supermassive Black Holes

Guillaume Drouart, Nick Seymour, Tim J. Galvin +7

We present the results of a new selection technique to identify powerful (WHz) radio galaxies towards the end of the Epoch of Reionisation. Our m…

astro-ph.GA2021★ 2 cited

The Nature and Likely Redshift of GLEAM J0917-0012

Guillaume Drouart, Nick Seymour, Jess W. Broderick +10

We previously reported a putative detection of a radio galaxy at z=10.15, selected from the GaLactic and Extragalactic All-sky Murchison Widefield Array (GLEAM) survey. The redshif…

astro-ph.GA2021★ 48 cited

COALAS: I. ATCA CO(1-0) survey and luminosity function in the Spiderweb protocluster at z=2.16

S. Jin, H. Dannerbauer, B. Emonts +25

We report a detailed CO(1-0) survey of a galaxy protocluster field at , based on 475 hours of observations with the Australia Telescope Compact Array. We constructed a larg…

astro-ph.GA2021★ 39 cited

Radio Detection of VIK J23183113, the Most Distant Radio-Loud Quasar (=6.44)

L. Ighina, S. Belladitta, A. Caccianiga +4

We report the 888 MHz radio detection in the Rapid ASKAP Continuum Survey (RACS) of VIK J23183113, a =6.44 quasar. Its radio luminosity (1.2 W Hz at 5…

astro-ph.GA2020★ 3 cited

ALMA detects molecular gas in the halo of the powerful radio galaxy TXS 0828+193

Judit Fogasy, Kirsten K. Knudsen, Guillaume Drouart +1

Both theoretical and observational results suggest that high-redshift radio galaxies (HzRGs) inhabit overdense regions of the universe and might be the progenitors of local, massiv…

astro-ph.GA2020★ 8 cited

RAiSERed: radio continuum redshifts for lobed AGNs

Ross J. Turner, Guillaume Drouart, Nick Seymour +1

Next-generation radio surveys are expected to detect tens of millions of active galactic nuclei (AGN) with a median redshift of z > 1. Beyond targeted surveys, the vast majority of…

astro-ph.GA2020★ 18 cited

SMM J04135+10277: A distant QSO-starburst system caught by ALMA

Judit Fogasy, Kirsten K. Knudsen, Guillaume Drouart +2

The gas content of galaxies is a key factor for their growth, starting from star formation and black hole accretion to galaxy mergers. Thus, characterising its properties via obser…

astro-ph.GA2019★ 16 cited

MUSE unravels the ionisation and origin of metal enriched absorbers in the gas halo of a z = 2.92 radio galaxy

S. Kolwa, J. Vernet, C. De Breuck +9

We have used the Multi-Unit Spectroscopic Explorer (MUSE) to study the circumgalactic medium (CGM) of a z = 2.92 radio galaxy, MRC 0943-242 by parametrising its emitting and absorb…

astro-ph.GA2018★ 52 cited

Massive galaxies on the road to quenching: ALMA observations of powerful high redshift radio galaxies

Theresa Falkendal, Carlos De Breuck, Matthew D. Lehnert +10

We present 0.3" (band 6) and 1.5" (band 3) ALMA observations of the (sub)millimeter dust continuum emission for 25 radio galaxies at 1<z<5.2. Our survey reaches a rms flux density…

astro-ph.GA2017★ 71 cited

ALMA detections of CO emission in the most luminous, heavily dust-obscured quasars at z>3

Lulu Fan, Kirsten K. Knudsen, Judit Fogasy +1

We report the results of a pilot study of CO emission line of three {\it WISE}-selected hyper-luminous, dust-obscured quasars (QSOs) with sensitive ALMA Band 3 observations.…

astro-ph.GA2017★ 31 cited

Are we seeing accretion flows in a 250kpc-sized Ly-alpha halo at z=3?

J. Vernet, M. D. Lehnert, C. De Breuck +8

Using MUSE on the ESO-VLT, we obtained a 4 hour exposure of the z=3.12 radio galaxy MRC0316-257. We detect features down to ~10^-19 erg/s/cm^2/arcsec^2 with the highest surface bri…

astro-ph.GA2016★ 18 cited

Starbursts and dusty tori in distant 3CR radio galaxies

P. Podigachoski, B. Rocca-Volmerange, P. D. Barthel +2

We present a study of the complete ultraviolet to submillimetre spectral energy distributions (SEDs) of twelve 3CR radio galaxy hosts in the redshift range , which w…