126 citations · 864 across the 33 of their papers we have counts for
30 papers · 1 filter
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…
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…
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…
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…
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…
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…
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…
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.…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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…
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.…
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…
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…
Disentangling star formation and AGN activity in powerful infrared luminous radio galaxies at 1<z<4
Guillaume Drouart, Brigitte Rocca-Volmerange, Carlos De Breuck +5
High-redshift radio galaxies present signs of both star formation and AGN activity, making them ideal candidates to investigate the connection and coevolution of AGN and star forma…