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D

D. J. Champion

centre national de la recherche scientifique (cnrs)

62H-index
295Paper Count
1.6WCitation Count
Published Papers 146
Publication Date
Discovery of 30 Galactic radio transient pulsars with MeerTRAP
err2025-12-01
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PREAI
errTian, J.; Singh, S.; Stappers, B. W.; Turner, J. D.; Rajwade, K. M.; Bezuidenhout, M. C.; Caleb, M.; Pastor-Marazuela, I; Jankowski, F.; Gupta, V; Flynn, C.; Karuppusamy, R.; Barr, E. D.; Kramer, M.; Breton, R.; Clark, C. J.; Champion, D. J.; Thongmeearkom, T.
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Reading signatures of supermassive binary black holes in pulsar timing array observations
err2025-11-03
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errBoris Goncharov; Shubhit Sardana; Alberto Sesana; Sharon Mary Tomson; John Antoniadis; Aurelien Chalumeau; David J. Champion; Siyuan Chen; Evan F. Keane; Kuo Liu; Golam Shaifullah; Lorenzo Speri; Serena Valtolina
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Tackling artefacts in the timing of relativistic pulsar binaries: Towards the SKA
err2025-02-18
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PREAI
errHu, Huanchen; Porayko, Nataliya K.; van Straten, Willem; Kramer, Michael; Champion, David J.; Keith, Michael J.
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The High Time Resolution Universe Pulsar Survey - XIX. A coherent GPU-accelerated reprocessing and the discovery of 71 pulsars in the Southern Galactic plane
err2024-12-16
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errSengar, R.; Bailes, M.; Balakrishnan, V; Barr, E. D.; Bhat, N. D. R.; Burgay, M.; Bernadich, M. C., I; Cameron, A. D.; Champion, D. J.; Chen, W.; Flynn, C. M. L.; Jameson, A.; Johnston, S.; Keith, M. J.; Kramer, M.; Morello, V; Ng, C.; Possenti, A.; Stevenson, S.; Shannon, R. M.; van Straten, W.; Wongphechauxsorn, J.
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PSR J1227-6208 and its massive white dwarf companion: Pulsar emission analysis, timing update, and mass measurements (vol 690, A253, 2024)
err2024-12-09
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errBernadich, Miquel Colom i; Venkatraman Krishnan, Vivek; Champion, David J.; Freire, Paulo C. C.; Kramer, Michael; Tauris, Thomas M.; Bailes, Matthew; Ridolfi, Alessandro; Lower, Marcus E.; Serylak, Maciej
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The MeerKAT Pulsar Timing Array: the first search for gravitational waves with the MeerKAT radio telescope
err2024-12-03
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errMiles, Matthew T.; Shannon, Ryan M.; Reardon, Daniel J.; Bailes, Matthew; Champion, David J.; Geyer, Marisa; Gitika, Pratyasha; Grunthal, Kathrin; Keith, Michael J.; Kramer, Michael; Kulkarni, Atharva D.; Nathan, Rowina S.; Parthasarathy, Aditya; Singha, Jaikhomba; Theureau, Gilles; Thrane, Eric; Abbate, Federico; Buchner, Sarah; Cameron, Andrew D.; Camilo, Fernando; Moreschi, Beatrice E.; Shaifullah, Golam; Shamohammadi, Mohsen; Possenti, Andrea; Krishnan, Vivek Venkatraman
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The MeerKAT Pulsar Timing Array: Maps of the gravitational wave sky with the 4.5-yr data release
err2024-12-03
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errGrunthal, Kathrin; Nathan, Rowina S.; Thrane, Eric; Champion, David J.; Miles, Matthew T.; Shannon, Ryan M.; Kulkarni, Atharva D.; Abbate, Federico; Buchner, Sarah; Cameron, Andrew D.; Geyer, Marisa; Gitika, Pratyasha; Keith, Michael J.; Kramer, Michael; Lasky, Paul D.; Parthasarathy, Aditya; Reardon, Daniel J.; Singha, Jaikhomba; Krishnan, Vivek Venkatraman
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The MeerKAT Pulsar Timing Array: the 4.5-yr data release and the noise and stochastic signals of the millisecond pulsar population
err2024-12-03
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errMiles, Matthew T.; Shannon, Ryan M.; Reardon, Daniel J.; Bailes, Matthew; Champion, David J.; Geyer, Marisa; Gitika, Pratyasha; Grunthal, Kathrin; Keith, Michael J.; Kramer, Michael; Kulkarni, Atharva D.; Nathan, Rowina S.; Parthasarathy, Aditya; Porayko, Nataliya K.; Singha, Jaikhomba; Theureau, Gilles; Abbate, Federico; Buchner, Sarah; Cameron, Andrew D.; Camilo, Fernando; Moreschi, Beatrice E.; Shaifullah, Golam; Shamohammadi, Mohsen; Krishnan, Vivek Venkatraman
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PSR J1227-6208 and its massive white dwarf companion: Pulsar emission analysis, timing update, and mass measurements
err2024-10-15
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errColom i Bernadich, Miquel; Krishnan, Vivek Venkatraman; Champion, David J.; Freire, Paulo C. C.; Kramer, Michael; Tauris, Thomas M.; Bailes, Matthew; Ridolfi, Alessandro; Lower, Marcus E.; Serylak, Maciej
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Eighteen new fast radio bursts in the High Time Resolution Universe survey
err2024-10-10
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errTrudu, M.; Possenti, A.; Pilia, M.; Bailes, M.; Keane, E. F.; Kramer, M.; Balakrishnan, V.; Bhandari, S.; Bhat, N. D. R.; Burgay, M.; Cameron, A.; Champion, D. J.; Jameson, A.; Johnston, S.; Keith, M. J.; Levin, L.; Ng, C.; Sengar, R.; Tiburzi, C.
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The second data release from the European Pulsar Timing Array V. Search for continuous gravitational wave signals
err2024-10-03
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errAntoniadis, J.; Arumugam, P.; Arumugam, S.; Babak, S.; Bagchi, M.; Nielsen, A-S Bak; Bassa, C. G.; Bathula, A.; Berthereau, A.; Bonetti, M.; Bortolas, E.; Brook, P. R.; Burgay, M.; Caballero, R. N.; Chalumeau, A.; Champion, D. J.; Chanlaridis, S.; Chen, S.; Cognard, I; Dandapat, S.; Deb, D.; Desai, S.; Desvignes, G.; Dhanda-Batra, N.; Dwivedi, C.; Falxa, M.; Ferdman, R. D.; Franchini, A.; Gair, J. R.; Goncharov, B.; Gopakumar, A.; Graikou, E.; Griessmeier, J-M; Guillemot, L.; Guo, Y. J.; Gupta, Y.; Hisano, S.; Hu, H.; Iraci, F.; Izquierdo-Villalba, D.; Jang, J.; Jawor, J.; Janssen, G. H.; Jessner, A.; Joshi, B. C.; Kareem, F.; Karuppusamy, R.; Keane, E. F.; Keith, M. J.; Kharbanda, D.; Kikunaga, T.; Kolhe, N.; Kramer, M.; Krishnakumar, M. A.; Lackeos, K.; Lee, K. J.; Liu, K.; Liu, Y.; Lyne, A. G.; McKee, J. W.; Maan, Y.; Main, R. A.; Mickaliger, M. B.; Nitu, I. C.; Nobleson, K.; Paladi, A. K.; Parthasarathy, A.; Perera, B. B. P.; Perrodin, D.; Petiteau, A.; Porayko, N. K.; Possenti, A.; Prabu, T.; Leclere, H. Quelquejay; Rana, P.; Samajdar, A.; Sanidas, S. A.; Sesana, A.; Shaifullah, G.; Singha, J.; Speri, L.; Spiewak, R.; Srivastava, A.; Stappers, B. W.; Surnis, M.; Susarla, S. C.; Susobhanan, A.; Takahashi, K.; Tarafdar, P.; Theureau, G.; Tiburzi, C.; van der Wateren, E.; Vecchio, A.; Krishnan, V. Venkatraman; Verbiest, J. P. W.; Wang, J.; Wang, L.; Wu, Z.
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Timing and scintillation studies of PSR J1439-5501
err2024-09-19
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PREAI
errJang, J.; Main, R.; Krishnan, V. Venkatraman; Bailes, M.; Cameron, A.; Champion, D. J.; Freire, P. C. C.; Parthasarathy, A.; Buchner, S.; Kramer, M.
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Periodicity search in the timing of the 25 millisecond pulsars from the second data release of the European Pulsar Timing Array
err2024-09-18
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errNitu, Iuliana C.; Keith, Michael J.; Champion, David J.; Cognard, Ismael; Desvignes, Gregory; Guillemot, Lucas; Guo, Yanjun; Hu, Huanchen; Jang, Jiwoong; Jawor, Jedrzej; Karuppusamy, Ramesh; Keane, Evan F.; Kramer, Michael; Lackeos, Kristen; Liu, Kuo; Main, Robert A.; Perrodin, Delphine; Porayko, Nataliya K.; Shaifullah, Golam M.; Theureau, Gilles
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The NANOGrav 15 yr Data Set: Chromatic Gaussian Process Noise Models for Six Pulsars
err2024-08-23
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errLarsen, Bjorn; Mingarelli, Chiara M. F.; Hazboun, Jeffrey S.; Chalumeau, Aurelien; Good, Deborah C.; Simon, Joseph; Agazie, Gabriella; Anumarlapudi, Akash; Archibald, Anne M.; Arzoumanian, Zaven; Baker, Paul T.; Brook, Paul R.; Cromartie, H. Thankful; Crowter, Kathryn; DeCesar, Megan E.; Demorest, Paul B.; Dolch, Timothy; Ferrara, Elizabeth C.; Fiore, William; Fonseca, Emmanuel; Freedman, Gabriel E.; Garver-Daniels, Nate; Gentile, Peter A.; Glaser, Joseph; Jennings, Ross J.; Jones, Megan L.; Kaplan, David L.; Kerr, Matthew; Lam, Michael T.; Lorimer, Duncan R.; Luo, Jing; Lynch, Ryan S.; McEwen, Alexander; McLaughlin, Maura A.; McMann, Natasha; Meyers, Bradley W.; Ng, Cherry; Nice, David J.; Pennucci, Timothy T.; Perera, Benetge B. P.; Pol, Nihan S.; Radovan, Henri A.; Ransom, Scott M.; Ray, Paul S.; Schmiedekamp, Ann; Schmiedekamp, Carl; Shapiro-Albert, Brent J.; Stairs, Ingrid H.; Stovall, Kevin; Susobhanan, Abhimanyu; Swiggum, Joseph K.; Wahl, Haley M.; Champion, David J.; Cognard, Ismael; Guillemot, Lucas; Hu, Huanchen; Keith, Michael J.; Liu, Kuo; McKee, James W.; Parthasarathy, Aditya; Perrodin, Delphine; Possenti, Andrea; Shaifullah, Golam M.; Theureau, Gilles
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Discovery and timing of ten new millisecond pulsars in the globular cluster Terzan 5
err2024-06-07
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errPadmanabh, P. V.; Ransom, S. M.; Freire, P. C. C.; Ridolfi, A.; Taylor, J. D.; Choza, C.; Clark, C. J.; Abbate, F.; Bailes, M.; Barr, E. D.; Buchner, S.; Burgay, M.; DeCesar, M. E.; Chen, W.; Corongiu, A.; Champion, D. J.; Dutta, A.; Geyer, M.; Hessels, J. W. T.; Kramer, M.; Possenti, A.; Stairs, I. H.; Stappers, B. W.; Krishnan, V. Venkatraman; Vleeschower, L.; Zhang, L.
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The TRAPUM Small Magellanic Cloud pulsar survey with MeerKAT - I. Discovery of seven new pulsars and two Pulsar Wind Nebula associations
err2024-05-21
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errCarli, E.; Levin, L.; Stappers, B. W.; Barr, E. D.; Breton, R. P.; Buchner, S.; Burgay, M.; Geyer, M.; Kramer, M.; Padmanabh, P., V; Possenti, A.; Krishnan, V. Venkatraman; Becker, W.; Filipovic, M. D.; Maitra, C.; Behrend, J.; Champion, D. J.; Chen, W.; Men, Y. P.; Ridolfi, A.
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TRAPUM search for pulsars in supernova remnants and pulsar wind nebulae - I. Survey description and initial discoveries
err2024-05-20
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errTurner, J. D.; Stappers, B. W.; Carli, E.; Barr, E. D.; Becker, W.; Behrend, J.; Breton, R. P.; Buchner, S.; Burgay, M.; Champion, D. J.; Chen, W.; Clark, C. J.; Horn, D. M.; Keane, E. F.; Kramer, M.; Kunkel, L.; Levin, L.; Men, Y. P.; Padmanabh, P., V; Ridolfi, A.; Krishnan, V. Venkatraman
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The second data release from the European Pulsar Timing Array IV. Implications for massive black holes, dark matter, and the early Universe
err2024-05-08
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errOAAI
errAntoniadis, J.; Arumugam, P.; Arumugam, S.; Babak, S.; Bagchi, M.; Nielsen, A. -S. Bak; Bassa, C. G.; Bathula, A.; Berthereau, A.; Bonetti, M.; Bortolas, E.; Brook, P. R.; Burgay, M.; Caballero, R. N.; Chalumeau, A.; Champion, D. J.; Chanlaridis, S.; Chen, S.; Cognard, I.; Dandapat, S.; Deb, D.; Desai, S.; Desvignes, G.; Dhanda-Batra, N.; Dwivedi, C.; Falxa, M.; Ferdman, R. D.; Franchini, A.; Gair, J. R.; Goncharov, B.; Gopakumar, A.; Graikou, E.; Griessmeier, J. -M.; Gualandris, A.; Guillemot, L.; Guo, Y. J.; Gupta, Y.; Hisano, S.; Hu, H.; Iraci, F.; Izquierdo-Villalba, D.; Jang, J.; Jawor, J.; Janssen, G. H.; Jessner, A.; Joshi, B. C.; Kareem, F.; Karuppusamy, R.; Keane, E. F.; Keith, M. J.; Kharbanda, D.; Kikunaga, T.; Kolhe, N.; Kramer, M.; Krishnakumar, M. A.; Lackeos, K.; Lee, K. J.; Liu, K.; Liu, Y.; Lyne, A. G.; McKee, J. W.; Maan, Y.; Main, R. A.; Mickaliger, M. B.; Nitu, I. C.; Nobleson, K.; Paladi, A. K.; Parthasarathy, A.; Perera, B. B. P.; Perrodin, D.; Petiteau, A.; Porayko, N. K.; Possenti, A.; Prabu, T.; Leclere, H. Quelquejay; Rana, P.; Samajdar, A.; Sanidas, S. A.; Sesana, A.; Shaifullah, G.; Singha, J.; Speri, L.; Spiewak, R.; Srivastava, A.; Stappers, B. W.; Surnis, M.; Susarla, S. C.; Susobhanan, A.; Takahashi, K.; Tarafdar, P.; Theureau, G.; Tiburzi, C.; van der Wateren, E.; Vecchio, A.; Krishnan, V. Venkatraman; Verbiest, J. P. W.; Wang, J.; Wang, L.; Wu, Z.; Auclair, P.; Barausse, E.; Caprini, C.; Crisostomi, M.; Fastidio, F.; Khizriev, T.; Middleton, H.; Neronov, A.; Postnov, K.; Pol, A. Roper; Semikoz, D.; Smarra, C.; Steer, D. A.; Truant, R. J.; Valtolina, S.
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Comparing Recent Pulsar Timing Array Results on the Nanohertz Stochastic Gravitational-wave Background
err2024-04-29
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errAgazie, G.; Antoniadis, J.; Anumarlapudi, A.; Archibald, A. M.; Arumugam, P.; Arumugam, S.; Arzoumanian, Z.; Askew, J.; Babak, S.; Bagchi, M.; Bailes, M.; Nielsen, A. -S. Bak; Baker, P. T.; Bassa, C. G.; Bathula, A.; Becsy, B.; Berthereau, A.; Bhat, N. D. R.; Blecha, L.; Bonetti, M.; Bortolas, E.; Brazier, A.; Brook, P. R.; Burgay, M.; Burke-Spolaor, S.; Burnette, R.; Caballero, R. N.; Cameron, A.; Case, R.; Chalumeau, A.; Champion, D. J.; Chanlaridis, S.; Charisi, M.; Chatterjee, S.; Chatziioannou, K.; Cheeseboro, B. D.; Chen, S.; Chen, Z. -C.; Cognard, I.; Cohen, T.; Coles, W. A.; Cordes, J. M.; Cornish, N. J.; Crawford, F.; Cromartie, H. T.; Crowter, K.; Curylo, M.; Cutler, C. J.; Dai, S.; Dandapat, S.; Deb, D.; DeCesar, M. E.; DeGan, D.; Demorest, P. B.; Deng, H.; Desai, S.; Desvignes, G.; Dey, L.; Dhanda-Batra, N.; Di Marco, V.; Dolch, T.; Drachler, B.; Dwivedi, C.; Ellis, J. A.; Falxa, M.; Feng, Y.; Ferdman, R. D.; Ferrara, E. C.; Fiore, W.; Fonseca, E.; Franchini, A.; Freedman, G. E.; Gair, J. R.; Garver-Daniels, N.; Gentile, P. A.; Gersbach, K. A.; Glaser, J.; Good, D. C.; Goncharov, B.; Gopakumar, A.; Graikou, E.; Griessmeier, J. -M.; Guillemot, L.; Gultekin, K.; Guo, Y. J.; Gupta, Y.; Grunthal, K.; Hazboun, J. S.; Hisano, S.; Hobbs, G. B.; Hourihane, S.; Hu, H.; Iraci, F.; Islo, K.; Izquierdo-Villalba, D.; Jang, J.; Jawor, J.; Janssen, G. H.; Jennings, R. J.; Jessner, A.; Johnson, A. D.; Jones, M. L.; Joshi, B. C.; Kaiser, A. R.; Kaplan, D. L.; Kapur, A.; Kareem, F.; Karuppusamy, R.; Keane, E. F.; Keith, M. J.; Kelley, L. Z.; Kerr, M.; Key, J. S.; Kharbanda, D.; Kikunaga, T.; Klein, T. C.; Kolhe, N.; Kramer, M.; Krishnakumar, M. A.; Kulkarni, A.; Laal, N.; Lackeos, K.; Lam, M. T.; Lamb, W. G.; Larsen, B. B.; Lazio, T. J. W.; Lee, K. J.; Levin, Y.; Lewandowska, N.; Littenberg, T. B.; Liu, K.; Liu, T.; Liu, Y.; Lommen, A.; Lorimer, D. R.; Lower, M. E.; Luo, J.; Luo, R.; Lynch, R. S.; Lyne, A. G.; Ma, C. -P.; Maan, Y.; Madison, D. R.; Main, R. A.; Manchester, R. N.; Mandow, R.; Mattson, M. A.; McEwen, A.; Mckee, J. W.; McLaughlin, M. A.; McMann, N.; Meyers, B. W.; Meyers, P. M.; Mickaliger, M. B.; Miles, M.; Mingarelli, C. M. F.; Mitridate, A.; Natarajan, P.; Nathan, R. S.; Ng, C.; Nice, D. J.; Nitu, I. C.; Nobleson, K.; Ocker, S. K.; Olum, K. D.; Oslowski, S.; Paladi, A. K.; Parthasarathy, A.; Pennucci, T. T.; Perera, B. B. P.; Perrodin, D.; Petiteau, A.; Petrov, P.; Pol, N. S.; Porayko, N. K.; Possenti, A.; Prabu, T.; Leclere, H. Quelquejay; Radovan, H. A.; Rana, P.; Ransom, S. M.; Ray, P. S.; Reardon, D. J.; Rogers, A. F.; Romano, J. D.; Russell, C. J.; Samajdar, A.; Sanidas, S. A.; Sardesai, S. C.; Schmiedekamp, A.; Schmiedekamp, C.; Schmitz, K.; Schult, L.; Sesana, A.; Shaifullah, G.; Shannon, R. M.; Shapiro-Albert, B. J.; Siemens, X.; Simon, J.; Singha, J.; Siwek, M. S.; Speri, L.; Spiewak, R.; Srivastava, A.; Stairs, I. H.; Stappers, B. W.; Stinebring, D. R.; Stovall, K.; Sun, J. P.; Surnis, M.; Susarla, S. C.; Susobhanan, A.; Swiggum, J. K.; Takahashi, K.; Tarafdar, P.; Taylor, J.; Taylor, S. R.; Theureau, G.; Thrane, E.; Thyagarajan, N.; Tiburzi, C.; Toomey, L.; Turner, J. E.; Unal, C.; Vallisneri, M.; van der Wateren, E.; van Haasteren, R.; Vecchio, A.; Krishnan, V. Venkatraman; Verbiest, J. P. W.; Vigeland, S. J.; Wahl, H. M.; Wang, S.; Wang, Q.; Witt, C. A.; Wang, J.; Wang, L.; Wayt, K. E.; Wu, Z.; Young, O.; Zhang, L.; Zhang, S.; Zhu, X. -J.; Zic, A.
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