924 citations · 8.6k across the 182 of their papers we have counts for
41 papers · 1 filter
Diffuse UV light associated with the Spiderweb Galaxy: evidence for in-situ star formation outside galaxies
N. A. Hatch, R. A. Overzier, H. J. A. Röttgering +2
We present detailed images of diffuse UV intergalactic light (IGL), situated in a 60kpc halo that surrounds the radio galaxy MRC 1138-262 at z=2. We discuss the nature of the IGL a…
Resolving the innermost parsec of Centaurus A at mid-infrared wavelengths
K. Meisenheimer, K. R. W. Tristram, W. Jaffe +11
We report the results of interferometric observations of Centaurus A with the MID-infrared Interferometer (MIDI) at ESO's VLTI telescope array. The interferometric measurements are…
Imaging and Spectroscopy of Ultra Steep Spectrum Radio Sources
Carlos G. Bornancini, Carlos De Breuck, Wim de Vries +4
We present a sample of 40 Ultra Steep Spectrum (USS, , ) radio sources selected from the Westerbork in the Southern Hemisphere (WISH) catalog. The USS s…
A very brief description of LOFAR - the Low Frequency Array
H. Falcke, M. P. van Haarlem, A. G. de Bruyn +28
LOFAR (Low Frequency Array) is an innovative radio telescope optimized for the frequency range 30-240 MHz. The telescope is realized as a phased aperture array without any moving p…
Protoclusters associated with z > 2 radio galaxies. I. Characteristics of high redshift protoclusters
B. P. Venemans, H. J. A. Rottgering, G. K. Miley +8
[Abridged] We present the results of a large program conducted with the Very Large Telescope and Keck telescope to search for forming clusters of galaxies near powerful radio galax…
Large-scale structure of Lyman break galaxies around a radio galaxy protocluster at z~4
H. T. Intema, B. P. Venemans, J. D. Kurk +5
We present broad-band imaging with the Subaru Telescope of a 25'x25' field surrounding the radio galaxy TN J1338-1942 at redshift z=4.1. The field contains excesses of Lyman-alpha…
A Combined EIS-NVSS Survey Of Radio Sources II: Infrared imaging and the K-z relation
M. H. Brookes, P. N. Best, R. Rengelink +1
The Combined EIS-NVSS Survey Of Radio Sources (CENSORS) is a 1.4 GHz radio survey selected from the NRAO VLA Sky Survey (NVSS) and complete to a flux-density of 7.2mJy. It targets…
Radio views of cosmic reionization
M. Valdes, B. Ciardi, A. Ferrara +2
We use numerical simulations of cosmic reionization and radiative processes related to the HI 21 cm emission line to produce synthetic radio maps as seen by next generation radio t…
Observing the Seyfert 2 nucleus of NGC 1068 with the VLT Interferometer
Huub Rottgering, Walter Jaffe, Klaus Meisenheimer +4
Dusty tori have been suggested to play a crucial role in determining the physical characteristics of active galactic nuclei (AGN), but investigation of their properties has stalled…
Near-infrared K-band imaging of a sample of Ultra-Steep-Spectrum radio sources selected at 74 MHz
Matt J. Jarvis, Maria J. Cruz, Aaron S. Cohen +2
In this paper we present near-infrared K-band imaging of a sample of ultra-steep spectrum (USS) radio sources selected at 74 MHz. The dual selection criteria of low frequency and U…
Clustering and Proto-Clusters in the Early Universe
Huub Rottgering, Carlos De Breuck, Emanuele Daddi +5
The clustering properties of clusters, galaxies and AGN as a function of redshift are briefly discussed. It appears that extremely red objects at z ~ 1, and objects with J-K > 1.7…
A multi-wavelength study of the proto-cluster surrounding the z=4.1 radio galaxy TN J1338-1942
Carlos De Breuck, Frank Bertoldi, Chris Carilli +8
We present a 1.2 mm (250 GHz) map obtained with MAMBO on the IRAM 30m telescope of the central 25 arcmin^2 of the proto-cluster surrounding the z=4.1 radio galaxy TN J1338-1942. Th…
HI in the proto-cluster environment at z>2: absorbing haloes and the Lyman alpha forest
R. J. Wilman, M. J. Jarvis, H. J. A. Rottgering +1
We present VLT-UVES echelle spectra of the Lyman alpha emission and absorption in five radio galaxies at redshifts z=2.55-4.1. Together with data from our pilot study, we have a sa…
VLT spectropolarimetry of two powerful radio galaxies at z~1.4: UV continuum, emission-line properties and the nature of high-redshift dust
C. Solorzano-Inarrea, P. N. Best, H. J. A. Rottgering +1
(Abridged) Deep VLT spectropolarimetric observations are presented for two powerful radio galaxies, 0850-206 and 1303+091. These observations cover the rest-frame wavelength range…
Astrophysical imaging with the Darwin IR interferometer
H. J. A. Rottgering, L. d'Arcio, C. Eiroa +2
The proposed infrared space interferometry mission Darwin has two main aims: (i) to detect and characterize exo-planets similar to the Earth, and (ii) to carry out astrophysical im…
HST and UKIRT imaging observations of z ~ 1 6C radio galaxies - I. The data
K. J. Inskip, P. N. Best, M. S. Longair +3
The results of Hubble Space Telescope and UKIRT imaging observations are presented for a sample of 11 6C radio galaxies with redshifts 0.85 < z < 1.5. The observations of the 6C so…
Proto-clusters and the clustering of distant galaxies and radio sources
Huub Rottgering, Emanuele Daddi, Roderik Overzier +1
The clustering properties of objects in 3 different radio surveys (NVSS, FIRST and BOOTES-WSRT) and 2 near-infrared surveys (the ``Daddi field'' and the FIRES survey) are investiga…
Red galaxy overdensities and the varied cluster environments of powerful radio sources with z~1.6
P. N. Best, M. D. Lehnert, G. Miley +1
The environments of a complete subsample of 6 of the most powerful radio-loud AGN at redshifts z~1.6 are investigated, using deep RJK imaging to depths of R~26, J~22.4 and K~20.6.…
CO emission and associated HI absorption from a massive gas reservoir surrounding the z=3 radio galaxy B3 J2330+3927
Carlos De Breuck, Roberto Neri, Raffaella Morganti +10
We present results of a comprehensive multi-frequency study of the radio galaxy B3 J2330+3927. The 1.9" wide radio source, consisting of 3 components, is bracketed by 2 objects in…
A Sample of Ultra Steep Spectrum Sources Selected from the Westerbork In the Southern Hemisphere (WISH) survey
Carlos De Breuck, Yuan Tang, A. G. de Bruyn +2
The 352 MHz Westerbork In the Southern Hemisphere (WISH) survey is the southern extension of the WENSS, covering 1.60 sr between -9 < DEC < -26 to a limiting flux density of ~18 mJ…
The most distant structure of galaxies known: a protocluster at z=4.1
B. P. Venemans, J. D. Kurk, G. K. Miley +8
Imaging and spectroscopy with the Very Large Telescope have revealed 20 Lyman-alpha emitters within a projected distance of 1.3 Mpc and 600 km/s of the luminous radio galaxy TN J13…
The population of galaxies in the forming cluster around the radio galaxy MRC 1138-262 at z=2.2
L. Pentericci, J. D. Kurk, H. J. A. Rottgering +2
We have recently discovered a forming cluster around the radio galaxy MRC 1138-262 at redshift 2.2. Besides the population of Ly alpha emitting galaxies that have been confirmed sp…
A Statistical Study of Emission Lines from High Redshift Radio Galaxies
Carlos De Breuck, Huub Rottgering, George Miley +2
We have compiled a sample of 165 radio galaxies from the literature to study the properties of the extended emission line regions and their interaction with the radio source over a…
The GHz-Peaked Spectrum radio galaxy 2021+614: Detection of slow motion in a compact symmetric object
Wolfgang Tschager, Richard T. Schilizzi, Huub J. A. R"ottgering +2
We have analysed VSOP (VLBI Space Observatory Programme) data at 5 GHz and ground-based VLBI (Very Long Baseline Interferometry) data at 15 GHz for the GHz-Peaked Spectrum (GPS) ra…