The International Pulsar Timing Array project: using pulsars as a gravitational wave detector
George Hobbs,Anne M. Archibald,Zaven Arzoumanian,Donald C. Backer,Matthew Bailes,N. D. R. Bhat,M. Burgay,Sarah Burke-Spolaor,Sarah Burke-Spolaor,David Champion,David Champion,Ismaël Cognard,William A. Coles,J. M. Cordes,Paul Demorest,Gregory Desvignes,Robert D. Ferdman,Lee Samuel Finn,Paulo C. C. Freire,Marjorie Gonzalez,Jason W. T. Hessels,Aidan Hotan,Gemma H. Janssen,Fredrick A. Jenet,A. Jessner,Christine Jordan,V. M. Kaspi,Michael Kramer,Michael Kramer,V. I. Kondratiev,Joseph Lazio,K. Lazaridis,Kejia Lee,Yuri Levin,Andrea N. Lommen,Duncan R. Lorimer,Ryan S. Lynch,Andrew Lyne,Richard N. Manchester,Maura McLaughlin,David J. Nice,Stefan Oslowski,Stefan Oslowski,M. Pilia,Andrea Possenti,M. B. Purver,Scott M. Ransom,John Reynolds,S. Sanidas,John Sarkissian,Alberto Sesana,Ryan Shannon,Xavier Siemens,Ingrid H. Stairs,Ben Stappers,Daniel R. Stinebring,Gilles Theureau,R. van Haasteren,W. van Straten,Joris P. W. Verbiest,D. R. B. Yardley,D. R. B. Yardley,X. P. You +62 more
TLDR
The International Pulsar Timing Array (IPTA) project as mentioned in this paper combines observations of pulsars from both northern and southern hemisphere observatories with the main aim of detecting ultra-low frequency (similar to 10(-9)-10(-8) Hz) gravitational waves.Abstract:
The International Pulsar Timing Array project combines observations of pulsars from both northern and southern hemisphere observatories with the main aim of detecting ultra-low frequency (similar to 10(-9)-10(-8) Hz) gravitational waves. Here we introduce the project, review the methods used to search for gravitational waves emitted from coalescing supermassive binary black-hole systems in the centres of merging galaxies and discuss the status of the project.read more
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Cosmological Backgrounds of Gravitational Waves
TL;DR: In this article, the authors review early universe sources that can lead to cosmological backgrounds of GWs and discuss the basic characteristics of present and future GW detectors, including advanced LIGO, advanced Virgo, the Einstein telescope, KAGRA, and LISA.
Journal ArticleDOI
European Pulsar Timing Array Limits On An Isotropic Stochastic Gravitational-Wave Background
Lindley Lentati,Stephen Taylor,Stephen Taylor,Chiara M. F. Mingarelli,Chiara M. F. Mingarelli,Alberto Sesana,S. Sanidas,Alberto Vecchio,R. Nicolas Caballero,Kejia Lee,Rutger van Haasteren,Stanislav Babak,Cees Bassa,P. Brem,Marta Burgay,D. J. Champion,Ismaël Cognard,Gregory Desvignes,Jonathan R. Gair,Lucas Guillemot,Jason W. T. Hessels,Jason W. T. Hessels,Gemma H. Janssen,Ramesh Karuppusamy,Michael Kramer,A. Lassus,P. Lazarus,Kuo Liu,Stefan Oslowski,Stefan Oslowski,Delphine Perrodin,Antoine Petiteau,Andrea Possenti,M. B. Purver,Pablo Rosado,R. Smits,Ben Stappers,Gilles Theureau,Caterina Tiburzi,Joris P. W. Verbiest +39 more
TL;DR: In this article, the authors presented new limits on an isotropic stochastic gravitational wave background (GWB) using a six pulsar dataset spanning 18 yr of observations from the 2015 European Pulsar Timing Array data release.
Journal ArticleDOI
The Parkes Pulsar Timing Array Project
Richard N. Manchester,George Hobbs,Matthew Bailes,William A. Coles,W. van Straten,Michael Keith,Ryan Shannon,N. D. R. Bhat,A. Brown,Sarah Burke-Spolaor,David Champion,A. Chaudhary,Russell T. Edwards,Grant Hampson,Aidan Hotan,Andrew Jameson,Fredrick A. Jenet,M. J. Kesteven,J. Khoo,Jonathon Kocz,Krzysztof Maciesiak,Stefan Oslowski,Vikram Ravi,J. R. Reynolds,John Sarkissian,Joris P. W. Verbiest,Z. L. Wen,W. E. Wilson,D. Yardley,W. M. Yan,X. P. You +30 more
TL;DR: The Parkes Pulsar Timing Array (PPTA) as mentioned in this paper is an implementation of the PTA concept based on observations with the Parkes 64m radio telescope, which allows investigation of 'global' phenomena such as a background of gravitational waves or instabilities in atomic timescales that produce correlated timing residuals in the pulsars of the array.
Journal ArticleDOI
The International Pulsar Timing Array: First Data Release
Joris P. W. Verbiest,Joris P. W. Verbiest,L. Lentati,George Hobbs,R. van Haasteren,Paul Demorest,Gemma H. Janssen,J. B. Wang,Gregory Desvignes,R. N. Caballero,Michael Keith,D. J. Champion,Zaven Arzoumanian,Stanislav Babak,C. G. Bassa,N. D. R. Bhat,A. Brazier,P. Brem,M. Burgay,Sarah Burke-Spolaor,S. J. Chamberlin,Sourav Chatterjee,B. Christy,Ismaël Cognard,Ismaël Cognard,James M. Cordes,Shi Dai,Shi Dai,Timothy Dolch,Timothy Dolch,Justin A. Ellis,Robert D. Ferdman,Emmanuel Fonseca,Jonathan R. Gair,N. Garver-Daniels,Peter A. Gentile,Marjorie Gonzalez,E. Graikou,Lucas Guillemot,Lucas Guillemot,Jason W. T. Hessels,Jason W. T. Hessels,Glenn Jones,Ramesh Karuppusamy,Matthew Kerr,Michael Kramer,Michael T. Lam,Paul D. Lasky,A. Lassus,P. Lazarus,T. J. W. Lazio,Kejia Lee,Lina Levin,Lina Levin,Kang Liu,R. S. Lynch,Andrew Lyne,J. W. McKee,Maura McLaughlin,Sean T. McWilliams,D. R. Madison,Richard N. Manchester,Chiara M. F. Mingarelli,Chiara M. F. Mingarelli,David J. Nice,Stefan Oslowski,Stefan Oslowski,Nipuni Palliyaguru,Timothy T. Pennucci,Benetge Perera,Delphine Perrodin,A. Possenti,Antoine Petiteau,Scott M. Ransom,Daniel J. Reardon,Daniel J. Reardon,Pablo Rosado,S. A. Sanidas,Alberto Sesana,G. Shaifullah,G. Shaifullah,Ryan Shannon,Ryan Shannon,X. Siemens,Joseph Simon,R. Smits,Renée Spiewak,Ingrid H. Stairs,Benjamin Stappers,Daniel R. Stinebring,Kevin Stovall,J. K. Swiggum,Stephen Taylor,Gilles Theureau,Gilles Theureau,Gilles Theureau,Caterina Tiburzi,Caterina Tiburzi,L. Toomey,Michele Vallisneri,W. van Straten,Alberto Vecchio,Yue-Fei Wang,Linqing Wen,X. P. You,Weiwei Zhu,Xing-Jiang Zhu +106 more
TL;DR: In this article, the first joint analysis of the data from the three regional pulsar timing arrays (IPTA) is presented, i.e. of the first IPTA data set, and the approach presently followed for its combination and suggest improvements for future PTA research.
Journal ArticleDOI
The NANOGrav Nine-year Data Set: Limits on the Isotropic Stochastic Gravitational Wave Background
Zaven Arzoumanian,Adam Brazier,Sarah Burke-Spolaor,S. J. Chamberlin,Shami Chatterjee,B. Christy,J. M. Cordes,Neil J. Cornish,Kathryn Crowter,Paul Demorest,X. Deng,Timothy Dolch,Timothy Dolch,Justin A. Ellis,Robert D. Ferdman,Emmanuel Fonseca,N. Garver-Daniels,Marjorie Gonzalez,Marjorie Gonzalez,Fredrick A. Jenet,Glenn Jones,M. L. Jones,V. M. Kaspi,M. Koop,Michael T. Lam,T. J. W. Lazio,Lina Levin,Andrea N. Lommen,Duncan R. Lorimer,Jing Luo,R. S. Lynch,Dustin R. Madison,Dustin R. Madison,Maura McLaughlin,Sean T. McWilliams,Chiara M. F. Mingarelli,Chiara M. F. Mingarelli,David J. Nice,Nipuni Palliyaguru,Timothy T. Pennucci,Scott M. Ransom,Laura Sampson,S. Sanidas,S. Sanidas,Alberto Sesana,Xavier Siemens,Joseph Simon,Ingrid H. Stairs,Daniel R. Stinebring,Kevin Stovall,Joseph K. Swiggum,Stephen Taylor,Michele Vallisneri,R. van Haasteren,Yue-Fei Wang,Weiwei Zhu,Weiwei Zhu +56 more
TL;DR: In this paper, the authors compute upper limits on the nanohertz-frequency isotropic stochastic gravitational wave background (GWB) using the 9-year data set from the North American Nanohertz Observatory for Gravitational Waves (NANOGrav) collaboration.
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