J
John W. Romein
Researcher at ASTRON
Publications - 16
Citations - 765
John W. Romein is an academic researcher from ASTRON. The author has contributed to research in topics: LOFAR & Radio telescope. The author has an hindex of 9, co-authored 16 publications receiving 729 citations. Previous affiliations of John W. Romein include VU University Amsterdam.
Papers
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Journal ArticleDOI
Observing pulsars and fast transients with LOFAR
B. W. Stappers,Jason W. T. Hessels,Jason W. T. Hessels,A. Alexov,Kenneth C. Anderson,T. Coenen,T. E. Hassall,Aris Karastergiou,V. I. Kondratiev,Michael Kramer,Michael Kramer,J. van Leeuwen,J. van Leeuwen,J. D. Mol,A. Noutsos,John W. Romein,Patrick Weltevrede,Rob Fender,Ralph A. M. J. Wijers,L. Bähren,Martin Bell,J. W. Broderick,E. J. Daw,V. S. Dhillon,Jochen Eislöffel,Heino Falcke,Heino Falcke,J. M. Griessmeier,J. M. Griessmeier,Casey J. Law,Casey J. Law,Sera Markoff,James Miller-Jones,James Miller-Jones,Bart Scheers,H. Spreeuw,John D. Swinbank,S. ter Veen,Michael W. Wise,Michael W. Wise,Olaf Wucknitz,Philippe Zarka,J. M. Anderson,Ashish Asgekar,I. M. Avruch,I. M. Avruch,Rainer Beck,P. Bennema,Mark J. Bentum,Philip Best,Joel N. Bregman,Michiel A. Brentjens,R. H. van de Brink,P. C. Broekema,W. N. Brouw,Marcus Brüggen,A. G. de Bruyn,A. G. de Bruyn,Harvey Butcher,Harvey Butcher,B. Ciardi,John Conway,R.-J. Dettmar,A. van Duin,J. van Enst,M. A. Garrett,M. A. Garrett,M. Gerbers,T. Grit,A. W. Gunst,M. P. van Haarlem,J. P. Hamaker,George Heald,Matthias Hoeft,H. A. Holties,A. Horneffer,A. Horneffer,Léon V. E. Koopmans,Gerard H. Kuper,M. Loose,P. Maat,D. McKay-Bukowski,John McKean,George K. Miley,Raffaella Morganti,Raffaella Morganti,R. Nijboer,J. Noordam,M. J. Norden,Hans Olofsson,M. Pandey-Pommier,A. G. Polatidis,Wolfgang Reich,H. J. A. Röttgering,A. Schoenmakers,J. Sluman,Oleg Smirnov,Matthias Steinmetz,C. G. M. Sterks,Michel Tagger,Y. Tang,R. Vermeulen,N. J. Vermaas,C. Vogt,M. de Vos,Stefan J. Wijnholds,Sarod Yatawatta,A. Zensus +107 more
TL;DR: The LOw Frequency ARray (LOFAR) as mentioned in this paper is a radio interferometer operating in the lowest 4 octaves of the ionospheric "radio window": 10-240 MHz, that will greatly facilitate observing pulsars at low radio frequencies.
Journal ArticleDOI
Detecting cosmic rays with the LOFAR radio telescope
Pim Schellart,A. Nelles,Stijn Buitink,Arthur Corstanje,J. E. Enriquez,Heino Falcke,Heino Falcke,Heino Falcke,W. Frieswijk,Jörg R. Hörandel,A. Horneffer,C. W. James,Maria Krause,M. Mevius,Olaf Scholten,S. ter Veen,Satyendra Thoudam,M. van den Akker,A. Alexov,J. M. Anderson,I. M. Avruch,L. Bähren,Rainer Beck,Martin Bell,P. Bennema,Mark J. Bentum,Gianni Bernardi,Philip Best,Joel N. Bregman,F. Breitling,Michiel A. Brentjens,J. W. Broderick,Marcus Brüggen,Benedetta Ciardi,A. H. W. M. Coolen,F. de Gasperin,E. de Geus,A. de Jong,M. de Vos,S. Duscha,Jochen Eislöffel,Richard Fallows,Chiara Ferrari,M. A. Garrett,Jean-Mathias Grießmeier,T. Grit,J. P. Hamaker,T. E. Hassall,George Heald,Jason W. T. Hessels,Matthias Hoeft,H. A. Holties,Marco Iacobelli,E. Juette,Aris Karastergiou,Wouter Klijn,J. Kohler,V. I. Kondratiev,Michael Kramer,M. Kuniyoshi,Gerard H. Kuper,P. Maat,Giulia Macario,Gottfried Mann,Sera Markoff,D. McKay-Bukowski,John McKean,James Miller-Jones,J. D. Mol,D. D. Mulcahy,H. Munk,R. Nijboer,M. J. Norden,Emanuela Orru,R. Overeem,H. Paas,M. Pandey-Pommier,R. Pizzo,A. G. Polatidis,A. Renting,John W. Romein,H. J. A. Röttgering,A. Schoenmakers,Dominik J. Schwarz,J. Sluman,Oleg Smirnov,Charlotte Sobey,Ben Stappers,Matthias Steinmetz,John D. Swinbank,Y. Tang,Cyril Tasse,C. Toribio,J. van Leeuwen,R.V. van Nieuwpoort,R. J. van Weeren,N. J. Vermaas,Rene C. Vermeulen,Christian Vocks,C. Vogt,Ralph A. M. J. Wijers,Stefan J. Wijnholds,Michael W. Wise,Olaf Wucknitz,Sarod Yatawatta,Ph. Zarka,A. Zensus +106 more
TL;DR: In this article, the authors describe the dataset, as well as the analysis pipeline, and serve as a reference for future papers based on these data, including removal of radio frequency interference, correcting for the antenna response and identification of the pulsed signal.
Journal ArticleDOI
The distributed ASCI Supercomputer project
Henri E. Bal,Raoul Bhoedjang,Rutger F. H. Hofman,Ceriel J. H. Jacobs,Thilo Kielmann,Jason Maassen,Rob V. van Nieuwpoort,John W. Romein,Luc Renambot,Tim Rühl,Ronald Veldema,Kees Verstoep,Aline Baggio,G.C. Ballintijn,Ihor Kuz,Guillaume Pierre,Maarten van Steen,Andrew S. Tanenbaum,Gerben Doornbos,D.M. Germans,H.J.W. Spoelder,Evert Jan Baerends,Stan van Gisbergen,Hamideh Afsermanesh,Dick van Albada,Adam Belloum,David Dubbeldam,Z.W. Hendrikse,Bob Hertzberger,Alfons G. Hoekstra,Kamil Iskra,Drona Kandhai,Dennis C. Koelma,Frank van der Linden,Benno J. Overeinder,Peter M. A. Sloot,P.F. Spinnato,Dick Epema,Arjan J. C. van Gemund,Pieter Jonker,Andrei Radulescu,Cees van Reeuwijk,Henk Sips,Peter M. W. Knijnenburg,Michael S. Lew,Floris Sluiter,Lex Wolters,Hans Blom,Cees de Laat,Aad J. van der Steen +49 more
TL;DR: The paper gives a preview of the most interesting research results obtained so far in the DAS project.
Proceedings Article
Transposition table driven work scheduling in distributed search
TL;DR: A new scheduling algorithm for parallel single-agent search, transposition table driven work scheduling, that places the transpositiontable at the heart of the parallel work scheduling and achieves nearly-optimal performance.
Journal ArticleDOI
Correlating Radio Astronomy Signals with Many-Core Hardware
TL;DR: This work analyzes the correlator algorithm on multi-core CPUs and many-core architectures, such as NVIDIA and ATI GPUs, and the Cell/B.E. processor, and identifies several important architectural problems which cause architectures to perform suboptimally.