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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
LOFAR and APERTIF Surveys of the Radio Sky: Probing Shocks and Magnetic Fields in Galaxy Clusters
Journal of Astrophysics and Astronomy, Volume 32, No. 4, Year 2011
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Description
At very low frequencies, the new pan-European radio telescope LOFAR is opening the last unexplored window of the electromagnetic spectrum for astrophysical studies. The revolutionary APERTIF- phased arrays that are about to be installed on the Westerbork radio telescope (WSRT) will dramatically increase the survey speed for the WSRT. Combined surveys with these two facilities will deeply chart the northern sky over almost two decades in radio frequency from ~15 up to 1400 MHz. Here we briefly describe some of the capabilities of these new facilities and what radio surveys are planned to study fun-damental issues related to the formation and evolution of galaxies and clusters of galaxies. In the second part we briefly review some recent observational results directly showing that diffuse radio emission in clusters traces shocks due to cluster mergers. As these diffuse radio sources are relatively bright at low frequencies, LOFAR should be able to detect thousands of such sources up to the epoch of cluster formation. This will allow addressing many question about the origin and evolution of shocks and magnetic fields in clusters. At the end we briefly review some of the first and very preliminary LOFAR results on clusters. © 2011 Indian Academy of Sciences.
Authors & Co-Authors
R̈ottgering, Huub J.A.R.
Netherlands, Leiden
Sterrewacht Leiden
Afonso, José M.
Portugal, Lisbon
Universidade de Lisboa
Barthel, Peter D.
Netherlands, Groningen
Kapteyn Instituut
Batejat, Fabien
Sweden, Gothenburg
Chalmers University of Technology
Best, Phillip N.
United Kingdom, Edinburgh
Royal Observatory
Bonafede, Annalisa
Germany, Bremen
Constructor University
Brüggen, Marcus
Germany, Bremen
Constructor University
Brunetti, Gianfranco F.
Italy, Bologna
Istituto Di Radioastronomia, Bologna
Chyz̊y, Krzysztof T.
Poland, Krakow
Uniwersytet Jagielloński
Conway, John E.
Sweden, Gothenburg
Chalmers University of Technology
De Gasperin, Francesco
Germany, Garching Bei Munchen
Max Planck Institute for Astrophysics
Ferrari, Chiara
France, Nice
Laboratoire Joseph-louis Lagrange
Haverkorn, Marijke
Netherlands, Leiden
Sterrewacht Leiden
Netherlands, Dwingeloo
Netherlands Foundation for Research in Astronomy
Netherlands, Nijmegen
Radboud Universiteit
Heald, George H.
Netherlands, Dwingeloo
Netherlands Foundation for Research in Astronomy
Hoeft, Matthias
Germany, Camburg
Thüringer Landessternwarte
Jackson, Neal J.F.
United Kingdom, Manchester
The University of Manchester
Jarvis, Matthew J.
United Kingdom, Hatfield
University of Hertfordshire
Lehnert, Matthew D.
France, Paris
L'observatoire de Paris
MacArio, Giulia
Italy, Bologna
Istituto Di Radioastronomia, Bologna
McKean, John P.
Netherlands, Dwingeloo
Netherlands Foundation for Research in Astronomy
Miley, George K.
Netherlands, Leiden
Sterrewacht Leiden
Morganti, Raffaellla H.
Netherlands, Groningen
Kapteyn Instituut
Netherlands, Dwingeloo
Netherlands Foundation for Research in Astronomy
Oosterloo, Thomas A.
Netherlands, Groningen
Kapteyn Instituut
Netherlands, Dwingeloo
Netherlands Foundation for Research in Astronomy
Orrú, Emanuela
Netherlands, Nijmegen
Radboud Universiteit
Pizzo, Roberto F.
Netherlands, Dwingeloo
Netherlands Foundation for Research in Astronomy
Rafferty, David A.
Netherlands, Leiden
Sterrewacht Leiden
Shulevski, Aleksandar
Netherlands, Groningen
Kapteyn Instituut
Tasse, Cyril
France, Paris
L'observatoire de Paris
van Bemmel, Ilse M.
Netherlands, Dwingeloo
Netherlands Foundation for Research in Astronomy
van Weeren, Reinout J.
Netherlands, Leiden
Sterrewacht Leiden
Verheijen, Marc A.W.
Netherlands, Groningen
Kapteyn Instituut
White, Glenn J.
United Kingdom, Didcot
Rutherford Appleton Laboratory
Wise, Michael W.
Netherlands, Dwingeloo
Netherlands Foundation for Research in Astronomy
Statistics
Citations: 1,138
Authors: 33
Affiliations: 17
Identifiers
Doi:
10.1007/s12036-011-9129-x
ISSN:
09737758
Research Areas
Environmental
Study Design
Cross Sectional Study
Study Approach
Quantitative