Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Centre National de la Recherche ScientifiqueFR2.5k papers
- Rutherford Appleton LaboratoryGB2.4k papers
- Imperial College LondonGB2.4k papers
- Massachusetts Institute of TechnologyUS2.3k papers
- Istituto Nazionale di Fisica Nucleare, Sezione di Roma IIT2.2k papers
- Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di FrascatiIT2.2k papers
- University of Maryland, College ParkUS2.2k papers
- Istituto Nazionale di Fisica Nucleare, Sezione di GenovaIT2.1k papers
- European Organization for Nuclear ResearchCH2.1k papers
- Institut National de Physique Nucléaire et de Physique des ParticulesFR2.1k papers
- University of ZurichCH2.1k papers
- Istituto Nazionale di Fisica Nucleare, Sezione di BolognaIT2k papers
271 papers · 1 filter
The X-ray Jets of Active Galaxies
D. M. Worrall
Jet physics is again flourishing as a result of Chandra's ability to resolve high-energy emission from the radio-emitting structures of active galaxies and separate it from the X-r…
JKCS041: a colour-detected galaxy cluster at z_phot=1.9 with deep potential well as confirmed by X-ray data
S. Andreon, B. Maughan, G. Trinchieri +1
[Abridged] We report the discovery of JKCS041, a massive near-infrared selected cluster of galaxies z=1.9. The cluster was originally discovered using a modified red-sequence metho…
Tests of AMiBA Data Integrity
Hiroaki Nishioka, Fu-Cheng Wang, Jiun-Huei Proty Wu +26
We describe methods used to validate data from the Y.T. Lee Array for Microwave Background Anisotropy (AMiBA), an interferometric array designed to measure the Sunyaev-Zel'dovich e…
A variable near-infrared counterpart to the neutron-star low-mass X-ray binary 4U 1705-440
Jeroen Homan, David L. Kaplan, Maureen van den Berg +1
We report the discovery of a near-infrared (nIR) counterpart to the persistent neutron-star low-mass X-ray binary 4U 1705-440, at a location consistent with its recently determined…
The 6-GHz Multibeam Maser Survey I. Techniques
J. A. Green, J. L. Caswell, G. A. Fuller +22
A new 7-beam 6-7 GHz receiver has been built to survey the Galaxy and the Magellanic Clouds for newly forming high-mass stars that are pinpointed by strong methanol maser emission…
High Spatial Resolution Galactic 3D Extinction Mapping with IPHAS
S. E. Sale, J. E. Drew, Y. C. Unruh +12
We present an algorithm ({\scshape mead}, for `Mapping Extinction Against Distance') which will determine intrinsic () colour, extinction, and distance for early-A to K4 s…
Probing the accretion disk and central engine structure of NGC4258 with Suzaku and XMM-Newton observations
Christopher S. Reynolds, Michael A. Nowak, Sera Markoff +3
[abridged] We present an X-ray study of the low-luminosity active galactic nucleus (AGN) in NGC4258 using data from Suzaku, XMM-Newton, and the Swift/BAT survey. We find that signa…
The Yuan-Tseh Lee Array for Microwave Background Anisotropy
Paul T. P. Ho, Pablo Altamirano, Chia-Hao Chang +52
The Yuan-Tseh Lee Array for Microwave Background Anisotropy (AMiBA) is the first interferometer dedicated to studying the cosmic microwave background (CMB) radiation at 3mm wavelen…
AMiBA Observations, Data Analysis and Results for Sunyaev-Zel'dovich Effects
J. -H. P. Wu, P. T. P. Ho, C. -W. L. Huang +28
We present observations, analysis and results for the first-year operation of AMiBA, an interferometric experiment designed to study cosmology via the measurement of Cosmic Microwa…
Mass and Hot Baryons in Massive Galaxy Clusters from Subaru Weak Lensing and AMiBA SZE Observations
Keiichi Umetsu, Mark Birkinshaw, Guo-Chin Liu +30
We present a multiwavelength analysis of a sample of four hot (T_X>8keV) X-ray galaxy clusters (A1689, A2261, A2142, and A2390) using joint AMiBA Sunyaev-Zel'dovich effect (SZE) an…
Application of a Self-Similar Pressure Profile to Sunyaev-Zel'dovich Effect Data from Galaxy Clusters
T. Mroczkowski, M. Bonamente, J. E. Carlstrom +16
We investigate the utility of a new, self-similar pressure profile for fitting Sunyaev-Zel'dovich (SZ) effect observations of galaxy clusters. Current SZ imaging instruments - such…
XMM-Newton Observations of the Nuclei of the Radio Galaxies 3C 305, DA 240, and 4C 73.08
Daniel A. Evans, Martin J. Hardcastle, Julia C. Lee +4
We present new XMM-Newton EPIC observations of the nuclei of the nearby radio galaxies 3C 305, DA 240, and 4C 73.08, and investigate the origin of their nuclear X-ray emission. The…
Extremely red stellar objects revealed by IPHAS
N. J. Wright, R. Greimel, M. J. Barlow +13
We present photometric analysis and follow-up spectroscopy for a population of extremely red stellar objects extracted from the point-source catalogue of the INT Photometric H-Alph…
X-ray observations of the galaxy cluster PKS 0745-191: To the virial radius, and beyond
Matthew R. George, Andrew C. Fabian, Jeremy S. Sanders +2
We measure X-ray emission from the outskirts of the cluster of galaxies PKS 0745-191 with Suzaku, determining radial profiles of density, temperature, entropy, gas fraction, and ma…
The XMM-Newton Serendipitous Survey. V. The Second XMM-Newton Serendipitous Source Catalogue
M. G. Watson, A. C. Schröder, D. Fyfe +47
Aims: Pointed observations with XMM-Newton provide the basis for creating catalogues of X-ray sources detected serendipitously in each field. This paper describes the creation and…
Chandra's View of the Ram Pressure Stripped Galaxy M86
S. Randall, P. Nulsen, W. R. Forman +4
We present results from a mosaic of nine Chandra observations of M86 and the surrounding field. We detect three main diffuse components: the Virgo ICM at ~2.4 keV, the extended hal…
AGB stars as tracers of metallicity and mean age across M33
M. -R. L. Cioni, M. Irwin, A. M. N. Ferguson +6
Wide-field JHKs near-infrared observations covering an area of 1.8x1.8 sq. deg. centred on M33 were obtained using WFCAM at UKIRT. These data show a large population of intermediat…
Structural Properties of Ultra-Compact Dwarf Galaxies in the Fornax and Virgo Clusters
E. A. Evstigneeva, M. J. Drinkwater, C. Y. Peng +6
We present a detailed analysis of two-band HST/ACS imaging of 21 ultra-compact dwarf (UCD) galaxies in the Virgo and Fornax Clusters. The aim of this work is to test two formation…
The properties of powerful radio sources at 90 GHz
M. J. Hardcastle, L. W. Looney
We have observed a small sample of powerful double radio sources (radio galaxies and quasars) at frequencies around 90 GHz with the BIMA millimetre array, with the intention of con…
Radio source calibration for the VSA and other CMB instruments at around 30 GHz
Yaser A. Hafez, Rod D. Davies, Richard J. Davis +20
Accurate calibration of data is essential for the current generation of CMB experiments. Using data from the Very Small Array (VSA), we describe procedures which will lead to an ac…
Results from an extensive simultaneous broadband campaign on the underluminous active nucleus M81*: further evidence for mass-scaling accretion in black holes
S. Markoff, M. Nowak, A. Young +13
We present the results of a broadband simultaneous campaign on the nearby low-luminosity active galactic nucleus M81*. From February through August 2005, we observed M81* five time…
Evidence for Non-Hydrostatic Gas Motions in the Hot ISM of Centaurus A
R. P. Kraft, M. J. Hardcastle, G. R. Sivakoff +16
We present preliminary results from a deep (600 ks) {\em Chandra} observation of the hot interstellar medium of the nearby early-type galaxy Centaurus A (Cen A). We find a surface…
A Transient Black-Hole Low-Mass X-Ray Binary Candidate in Centaurus A
Gregory R. Sivakoff, Ralph P. Kraft, Andrés Jordán +14
We report the discovery of a bright transient X-ray source, CXOU J132518.2-430304, towards Centaurus A (Cen A) using six new Chandra X-Ray Observatory observations in 2007 March--M…
An XMM-Newton study of the environments, particle content and impact of low-power radio galaxies
J. H. Croston, M. J. Hardcastle, M. Birkinshaw +2
We present a detailed study of the environments of a sample of nine low-power radio galaxies, based on new and archival XMM-Newton observations. We report new detections of group-s…