O. R. Williams
European Space Research and Technology Centre
70 Papers
1.3K Citations
O. R. Williams is an academic researcher from European Space Research and Technology Centre. The author has contributed to research in topics: Gamma-ray burst & Quasar. The author has an hindex of 16, co-authored 70 publications. Previous affiliations of O. R. Williams include University of New Hampshire & University of Leicester.
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Papers
•Posted Content
Euclid Definition Study Report
René J. Laureijs,Jérôme Amiaux,S. Arduini,J.-L. Auguères,Jarle Brinchmann,R. Cole,Mark Cropper,Christophe Dabin,Ludovic Duvet,Anne Ealet,Bianca Garilli,Philippe Gondoin,Luigi Guzzo,J. Hoar,Henk Hoekstra,Rory Holmes,Thomas D. Kitching,T. Maciaszek,Yannick Mellier,F. Pasian,Will J. Percival,Jason Rhodes,G. Saavedra Criado,Marc Sauvage,Roberto Scaramella,Luca Valenziano,Stephen J. Warren,Ralf Bender,Francisco J. Castander,Alessandro Cimatti,O. Le Fèvre,Hannu Kurki-Suonio,Michael Levi,P. B. Lilje,Georges Meylan,Robert C. Nichol,Kristian Pedersen,V. Popa,R. Rebolo Lopez,Hans-Walter Rix,H. J. A. Röttgering,Werner W. Zeilinger,Frank Grupp,P. Hudelot,Richard Massey,Massimo Meneghetti,Lance Miller,Stéphane Paltani,Stephane Paulin-Henriksson,Sandrine Pires,Curtis J. Saxton,Tim Schrabback,Gregor Seidel,Jeremy R. Walsh,Nabila Aghanim,Luca Amendola,James G. Bartlett,Carlo Baccigalupi,J.-P. Beaulieu,K. Benabed,Jean-Gabriel Cuby,David Elbaz,Pablo Fosalba,Giuseppe Gavazzi,Amina Helmi,I. M. Hook,Michael G. Irwin,Jean-Paul Kneib,Martin Kunz,Filippo Mannucci,Lauro Moscardini,Charling Tao,Romain Teyssier,Jochen Weller,G. Zamorani,M. R. Zapatero Osorio,Olivier Boulade,J. J. Foumond,A. Di Giorgio,P. Guttridge,A. James,A. James,M. Kemp,J. Martignac,A. P. Spencer,D. Walton,T. Blümchen,Carlotta Bonoli,Favio Bortoletto,C. Cerna,Leonardo Corcione,Christophe Fabron,Knud Jahnke,Sebastiano Ligori,F. Madrid,Laurent Martin,Gianluca Morgante,Tony Pamplona,Eric Prieto,Marco Riva,R. Toledo,M. Trifoglio,Filippo Maria Zerbi,F. B. Abdalla,Marian Douspis,C. Grenet,Stefano Borgani,R. J. Bouwens,Frederic Courbin,J.-M. Delouis,Pierre Dubath,Adriano Fontana,M. Frailis,Andrea Grazian,J. Koppenhöfer,O. Mansutti,M. Melchior,M. Mignoli,Joseph J. Mohr,C. Neissner,K. Noddle,M. Poncet,Marco Scodeggio,Santiago Serrano,Neville Shane,Jean-Luc Starck,Christian Surace,Andy Taylor,G. Verdoes-Kleijn,Claudio Vuerli,O. R. Williams,Andrea Zacchei,Bruno Altieri,I. Escudero Sanz,R. Kohley,T. Oosterbroek,Pierre Astier,D. J. Bacon,S. Bardelli,Carlton M. Baugh,F. Bellagamba,C. Benoist,Davide Bianchi,Andrea Biviano,E. Branchini,Carmelita Carbone,Vincenzo F. Cardone,Dylan N. Clements,Stephane Colombi,Christopher J. Conselice,Giovanni Cresci,Niall R. Deacon,James Dunlop,Cosimo Fedeli,F. Fontanot,P. Franzetti,Carlo Giocoli,Juan Garcia-Bellido,Jason Gow,Alan Heavens,P. Hewett,Catherine Heymans,Andrew D. Holland,Zhuoyi Huang,Olivier Ilbert,Benjamin Joachimi,E. Jennins,Eamonn Kerins,Alina Kiessling,Donnacha Kirk,Rubina Kotak,Oliver Krause,Ofer Lahav,F. van Leeuwen,Julien Lesgourgues,Marco Lombardi,Manuela Magliocchetti,Kate Maguire,Elisabetta Majerotto,R. Maoli,Federico Marulli,Sophie Maurogordato,H. J. McCracken,Ross J. McLure,Alessandro Melchiorri,Alex Merson,Michele Moresco,Mario Nonino,Peder Norberg,John A. Peacock,R. Pello,Matthew T. Penny,Valeria Pettorino,C. Di Porto,Lucia Pozzetti,Claudia Quercellini,Mario Radovich,Anais Rassat,Nicolas J.-H. Roche,Samuel Ronayette,Emanuel Rossetti,Barbara Sartoris,Barbara Sartoris,Peter Schneider,Elisabetta Semboloni,Stephen Serjeant,Fergus Simpson,Constantinos Skordis,G. Smadja,Stephen J. Smartt,P. Spano,S. Spiro,Mark Sullivan,Andre Tilquin,Roberto Trotta,Licia Verde,Y. Wang,G. Williger,G. Zhao,Julien Zoubian,E. Zucca +220 more
TL;DR: Euclid as mentioned in this paper is a space-based survey mission from the European Space Agency designed to understand the origin of the universe's accelerating expansion, using cosmological probes to investigate the nature of dark energy, dark matter and gravity by tracking their observational signatures.
1.7K
Euclid Definition Study Report
René J. Laureijs,Jérôme Amiaux,S. Arduini,J.-L. Auguères,Jarle Brinchmann,R. Cole,Mark Cropper,Christophe Dabin,Ludovic Duvet,Anne Ealet,Bianca Garilli,Philippe Gondoin,Luigi Guzzo,J. Hoar,Henk Hoekstra,Rory Holmes,Thomas D. Kitching,T. Maciaszek,Yannick Mellier,F. Pasian,Will J. Percival,Jason Rhodes,G. Saavedra Criado,Marc Sauvage,Roberto Scaramella,Luca Valenziano,Stephen J. Warren,Ralf Bender,Francisco J. Castander,Alessandro Cimatti,O. Le Fèvre,Hannu Kurki-Suonio,Michael Levi,P. B. Lilje,Georges Meylan,Robert C. Nichol,Kristian Pedersen,V. Popa,R. Rebolo Lopez,Hans-Walter Rix,H. J. A. Röttgering,Werner W. Zeilinger,Frank Grupp,P. Hudelot,Richard Massey,Massimo Meneghetti,Lance Miller,Stéphane Paltani,Stephane Paulin-Henriksson,Sandrine Pires,Curtis J. Saxton,Tim Schrabback,Gregor Seidel,Jeremy R. Walsh,Nabila Aghanim,Luca Amendola,James G. Bartlett,Carlo Baccigalupi,J.-P. Beaulieu,K. Benabed,Jean-Gabriel Cuby,David Elbaz,Pablo Fosalba,Giuseppe Gavazzi,Amina Helmi,I. M. Hook,Michael G. Irwin,Jean-Paul Kneib,Martin Kunz,Filippo Mannucci,Lauro Moscardini,Charling Tao,Romain Teyssier,Jochen Weller,G. Zamorani,M. R. Zapatero Osorio,Olivier Boulade,J. J. Foumond,A. Di Giorgio,P. Guttridge,A. James,A. James,M. Kemp,J. Martignac,A. P. Spencer,D. Walton,T. Blümchen,Carlotta Bonoli,Favio Bortoletto,C. Cerna,Leonardo Corcione,Christophe Fabron,Knud Jahnke,Sebastiano Ligori,F. Madrid,Laurent Martin,Gianluca Morgante,Tony Pamplona,Eric Prieto,Marco Riva,R. Toledo,M. Trifoglio,Filippo Maria Zerbi,F. B. Abdalla,Marian Douspis,C. Grenet,Stefano Borgani,R. J. Bouwens,Frederic Courbin,J.-M. Delouis,Pierre Dubath,Adriano Fontana,M. Frailis,Andrea Grazian,J. Koppenhöfer,O. Mansutti,M. Melchior,M. Mignoli,Joseph J. Mohr,C. Neissner,K. Noddle,M. Poncet,Marco Scodeggio,Santiago Serrano,Neville Shane,Jean-Luc Starck,Christian Surace,Andy Taylor,G. Verdoes-Kleijn,Claudio Vuerli,O. R. Williams,Andrea Zacchei,Bruno Altieri,I. Escudero Sanz,R. Kohley,T. Oosterbroek,Pierre Astier,D. J. Bacon,S. Bardelli,Carlton M. Baugh,F. Bellagamba,C. Benoist,Davide Bianchi,Andrea Biviano,E. Branchini,Carmelita Carbone,Vincenzo F. Cardone,Dylan N. Clements,Stephane Colombi,Christopher J. Conselice,Giovanni Cresci,Niall R. Deacon,James Dunlop,Cosimo Fedeli,F. Fontanot,P. Franzetti,Carlo Giocoli,Juan Garcia-Bellido,Jason Gow,Alan Heavens,P. Hewett,Catherine Heymans,Andrew D. Holland,Zhuoyi Huang,Olivier Ilbert,Benjamin Joachimi,E. Jennins,Eamonn Kerins,Alina Kiessling,Donnacha Kirk,Rubina Kotak,Oliver Krause,Ofer Lahav,F. van Leeuwen,Julien Lesgourgues,Marco Lombardi,Manuela Magliocchetti,Kate Maguire,Elisabetta Majerotto,R. Maoli,Federico Marulli,Sophie Maurogordato,H. J. McCracken,Ross J. McLure,Alessandro Melchiorri,Alex Merson,Michele Moresco,Mario Nonino,Peder Norberg,John A. Peacock,R. Pello,Matthew T. Penny,Valeria Pettorino,C. Di Porto,Lucia Pozzetti,Claudia Quercellini,Mario Radovich,Anais Rassat,Nicolas J.-H. Roche,Samuel Ronayette,Emanuel Rossetti,Barbara Sartoris,Barbara Sartoris,Peter Schneider,Elisabetta Semboloni,Stephen Serjeant,Fergus Simpson,Constantinos Skordis,G. Smadja,Stephen J. Smartt,P. Spano,S. Spiro,Mark Sullivan,Andre Tilquin,Roberto Trotta,Licia Verde,Y. Wang,G. Williger,G. Zhao,Julien Zoubian,E. Zucca +220 more
- 14 Oct 2011
TL;DR: Euclid as discussed by the authors is a space-based survey mission from the European Space Agency designed to understand the origin of the universe's accelerating expansion, using cosmological probes to investigate the nature of dark energy, dark matter and gravity by tracking their observational signatures.
1.4K
The first COMPTEL source catalogue
V. Schönfelder,K. Bennett,J. J. Blom,H. Bloemen,Werner Collmar,Alanna Connors,Roland Diehl,W. Hermsen,A. F. Iyudin,R. M. Kippen,Jürgen Knödlseder,L. Kuiper,G. G. Lichti,Mark L. McConnell,D. Morris,R. Much,Uwe Oberlack,James M. Ryan,G. Stacy,Helmut Steinle,Andrew W. Strong,Raid Suleiman,R. van Dijk,M. Varendorff,C. Winkler,O. R. Williams +25 more
TL;DR: The first complete all-sky survey in the energy range 0.75 to 30 MeV was provided by NASA's Compton Gamma-Ray Observatory (COMPTEL) as discussed by the authors, which contains firm and marginal detections of continuum and line emitting sources and presents upper limits for various types of objects.
•Journal Article
The X-ray emission of 3C 273.
Martin J. L. Turner,O. R. Williams,Thierry J.-L. Courvoisier,G. C. Stewart,Kirpal Nandra,Ken Pounds,Takaya Ohashi,Kazuo Makishima,Hajime Inoue,Tsuneo Kii,Fumiyoshi Makino,Kiyoshi Hayashida,Yasuyuki T. Tanaka,S. Takano,Kazuya Koyama +14 more
TL;DR: In this article, l'emission RX du quasar 3C273 dans la bande 0.2-35 keV is etudiee a partir des observations effectuees par les satellites EXOSAT et Ginga.
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•Journal Article
Comptel observations of centaurus a at mev energies in the years 1991 to 1995
Helmut Steinle,K. Bennett,H. Bloemen,Werner Collmar,Roland Diehl,W. Hermsen,G. G. Lichti,Derek W. Morris,V. Schönfelder,Andrew W. Strong,O. R. Williams +10 more
TL;DR: In this paper, the authors used the Compton Gamma-Ray Observatory (CGRO) observations made in Phase I, II, III, and IV/Cycle 4 in the years 1991 to 1995 in 15 pointings of various durations.
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