K J Lee
16 Papers
2 Citations
K J Lee is an academic researcher. The author has contributed to research in topics: Pulsar & Gravitational wave. The author has an hindex of 2, co-authored 2 publications.
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Papers
The second data release from the European Pulsar Timing Array. III. Search for gravitational wave signals
John Antoniadis,P Arumugam,Swetha M. Arumugam,Stanislav Babak,Manjari Bagchi,A. B. Nielsen,C. G. Bassa,Adarsh Bathula,Anne Berthereau,Matteo Bonetti,Elisa Bortolas,Paul R. Brook,M. Burgay,R. N. Caballero,Aurelie Chalumeau,D. J. Champion,Savvas Chanlaridis,Si Chen,Ismaël Cognard,Subhajit Dandapat,Dipten Deb,S. Desai,Gregory Desvignes,C. Dwivedi,Mikel Falxa,Robert D. Ferdman,Alessia Franchini,Jonathan R. Gair,B. Goncharov,Achamveedu Gopakumar,E. Graikou,J.-M. Grießmeier,L. Guillemot,Y J Guo,Yashwant Gupta,Shinnosuke Hisano,H Hu,Federica Iraci,David Izquierdo-Villalba,J. S. Jang,Jennifer Jawor,Gemma H. Janssen,Axel Jessner,Bhal Chandra Joshi,Fazal Kareem,Ramesh Karuppusamy,Evan Keane,Michael Keith,Divya Kharbanda,T. Kikunaga,Neel Kolhe,Manuel Kramer,M. A. Krishnakumar,Kristen Lackeos,K J Lee,K. Liu,Yi Liu,Andrew Lyne,J. W. McKee,Yogesh Maan,Robert Main,Mitchell B. Mickaliger,I. C. Nitu,K. Nobleson,Avinash Kumar Paladi,Aditya Parthasarathy,Benetge Perera,Delphine Perrodin,Antoine Petiteau,N.K. Porayko,A. Possenti,Thiagaraj Prabu,Prerna Rana,A. Samajdar,S. Sanidas,Alberto Sesana,G. Shaifullah,Jaikhomba Singha,Lorenzo Speri,Renée Spiewak,A. K. Srivastava,Ben Stappers,Mayuresh Surnis,Sai Chaitanya Susarla,Abhimanyu Susobhanan,K. Takahashi,Pratik Tarafdar,Gilles Theureau,Caterina Tiburzi,E. V. D. Wateren,Alberto Vecchio,V. Venkatraman Krishnan,Joris P. W. Verbiest,J Wang,Lu Wang,Z Wu +95 more
TL;DR: In this article , the results of the search for an isotropic stochastic gravitational wave background (GWB) at nanohertz frequencies using the second data release of the European Pulsar Timing Array (EPTA) for 25 millisecond pulsars and a combination with the first data release (InPTA) was presented.
The second data release from the European Pulsar Timing Array. I. The dataset and timing analysis
John Antoniadis,Stanislav Babak,A. B. Nielsen,C. G. Bassa,Anne Berthereau,Matteo Bonetti,Elisa Bortolas,Paul R. Brook,M. Burgay,R. N. Caballero,Aurelie Chalumeau,D. J. Champion,Savvas Chanlaridis,Si Chen,Ismaël Cognard,Gregory Desvignes,Mikel Falxa,Robert D. Ferdman,Alessia Franchini,Jonathan R. Gair,B. Goncharov,E. Graikou,J.-M. Grießmeier,L. Guillemot,Y J Guo,H Hu,Federica Iraci,David Izquierdo-Villalba,J. S. Jang,Jennifer Jawor,Gemma H. Janssen,Axel Jessner,Ramesh Karuppusamy,Evan Keane,Michael Keith,Manuel Kramer,M. A. Krishnakumar,Kristen Lackeos,K J Lee,Yi Liu,Andrew Lyne,J. W. McKee,Robert Main,Mitchell B. Mickaliger,I. C. Nitu,Aditya Parthasarathy,Benetge Perera,Delphine Perrodin,Antoine Petiteau,N.K. Porayko,A. Possenti,S. Sanidas,Alberto Sesana,G. Shaifullah,Lorenzo Speri,Renée Spiewak,Ben Stappers,Sai Chaitanya Susarla,Gilles Theureau,Caterina Tiburzi,E. V. D. Wateren,Alberto Vecchio,V. Venkatraman Krishnan,Joris P. W. Verbiest,J Wang,Lu Wang +65 more
TL;DR: In this paper , the results of the second data release of the European Pulsar Timing Array (EPTA) have been presented, which contains high-precision pulsar timing data from 25 millisecond pulsars.
The second data release from the European Pulsar Timing Array: V. Implications for massive black holes, dark matter and the early Universe
John Antoniadis,P Arumugam,Swetha M. Arumugam,Pierre Auclair,Stanislav Babak,Manjari Bagchi,A. B. Nielsen,Enrico Barausse,C. G. Bassa,Adarsh Bathula,Anne Berthereau,Matteo Bonetti,Elisa Bortolas,Paul R. Brook,M. Burgay,R. N. Caballero,Chiara Caprini,Aurelie Chalumeau,D. J. Champion,Savvas Chanlaridis,Si Chen,Ismaël Cognard,Marco Crisostomi,Subhajit Dandapat,Debabrata Deb,S. Desai,Gregory Desvignes,C. Dwivedi,Mikel Falxa,Robert D. Ferdman,Alessia Franchini,Jonathan R. Gair,B. Goncharov,Achamveedu Gopakumar,E. Graikou,J.-M. Grießmeier,Alessia Gualandris,L. Guillemot,Y J Guo,Yashwant Gupta,Shinnosuke Hisano,H. Hu,Federica Iraci,David Izquierdo-Villalba,J. S. Jang,Jennifer Jawor,Gemma H. Janssen,Axel Jessner,Bhal Chandra Joshi,Fazal Kareem,Ramesh Karuppusamy,Evan Keane,Michael Keith,Divya Kharbanda,T. Kikunaga,Neel Kolhe,Manuel Kramer,M. A. Krishnakumar,Kristen Lackeos,K J Lee,K. Liu,Yi Liu,Andrew Lyne,J. W. McKee,Yogesh Maan,Robert Main,Mitchell B. Mickaliger,H. Middleton,Andrii Neronov,I. C. Nitu,K. Nobleson,Avinash Kumar Paladi,Aditya Parthasarathy,Benetge Perera,Delphine Perrodin,Antoine Petiteau,N.K. Porayko,A. Possenti,Thiagaraj Prabu,Konstantin Postnov,Prerna Rana,Alberto Roper Pol,A. Samajdar,S. Sanidas,D.V. Semikoz,Alberto Sesana,G. Shaifullah,Jaikhomba Singha,Clemente Smarra,Lorenzo Speri,Renée Spiewak,A. K. Srivastava,Ben Stappers,Daniele A. Steer,Mayuresh Surnis,Sai Chaitanya Susarla,Abhimanyu Susobhanan,K. Takahashi,Pratik Tarafdar,Gilles Theureau,Caterina Tiburzi,Ray Truant,E. V. D. Wateren,Stefano Valtolina,Alberto Vecchio,V. Venkatraman Krishnan,Joris P. W. Verbiest,J. Wang,Lu Wang,Z Wu +109 more
- 28 Jun 2023
TL;DR: The European Pulsar Timing Array (EPTA) and InPTA collaborations have measured a low-frequency common signal in the combination of their second and first data releases respectively, with the correlation properties of a gravitational wave background (GWB) as mentioned in this paper .
The second data release from the European Pulsar Timing Array. II. Customised pulsar noise models for spatially correlated gravitational waves
John Antoniadis,P Arumugam,Swetha M. Arumugam,Stanislav Babak,Manjari Bagchi,A. B. Nielsen,C. G. Bassa,Adarsh Bathula,Anne Berthereau,Matteo Bonetti,Elisa Bortolas,Paul R. Brook,M. Burgay,R. N. Caballero,Aurelie Chalumeau,D. J. Champion,Savvas Chanlaridis,Si Chen,Ismaël Cognard,Subhajit Dandapat,D. Deb,S. Desai,Gregory Desvignes,C. Dwivedi,Mikel Falxa,Robert D. Ferdman,Alessia Franchini,Jonathan R. Gair,B. Goncharov,Achamveedu Gopakumar,E. Graikou,J.-M. Grießmeier,L. Guillemot,Y J Guo,Yashwant Gupta,Shinnosuke Hisano,H Hu,Federica Iraci,David Izquierdo-Villalba,J. S. Jang,Jennifer Jawor,Gemma H. Janssen,Axel Jessner,Bhal Chandra Joshi,Fazal Kareem,Ramesh Karuppusamy,Evan Keane,Michael Keith,Divya Kharbanda,T. Kikunaga,Neel Kolhe,Manuel Kramer,M. A. Krishnakumar,Kristen Lackeos,K J Lee,K. Liu,Yi Liu,Andrew Lyne,J. W. McKee,Yogesh Maan,Robert Main,Mitchell B. Mickaliger,I. C. Nictu,K. Nobleson,Avinash Kumar Paladi,Aditya Parthasarathy,Benetge Perera,Delphine Perrodin,Antoine Petiteau,N.K. Porayko,A. Possenti,Thiagaraj Prabu,Prerna Rana,A. Samajdar,S. Sanidas,Alberto Sesana,G. Shaifullah,Jaikhomba Singha,Lorenzo Speri,Renée Spiewak,A. K. Srivastava,Ben Stappers,Mayuresh Surnis,Sai Chaitanya Susarla,Abhimanyu Susobhanan,K. Takahashi,Pratik Tarafdar,Gilles Theureau,Caterina Tiburzi,E. V. D. Wateren,Alberto Vecchio,V. Venkatraman Krishnan,Joris P. W. Verbiest,J Wang,Lu Wang,Z Wu +95 more
TL;DR: In this paper , the authors present a novel technique to estimate the optimal number of frequency coefficients for modelling achromatic and chromatic noise, and also incorporate a new model to fit for scattering variations in the pulsar timing package temponest.
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FAST Observations of an Extremely Active Episode of FRB 20201124A: I. Burst Morphology
D. J. Zhou,J. L. Han,B. G. Zhang,K J Lee,W. W. Zhu,D Li,W. Jing,Wei Wang,Y. Zhang,J. C. Jiang,J. R. Niu,Rui Luo,C. F. Zhang,B. J. Wang,J. W. Xu,P. Wang,Z. Yang,Y. Feng +17 more
TL;DR: In this paper , the authors performed a detailed morphological study of 624 bursts using the two-dimensional frequency-time "waterfall" plots, with a burst (or cluster-burst) defined as an emission episode during which the adjacent emission peaks have a separation shorter than 400 ms.
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