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Page 1
Second Data Release from the European Pulsar Timing Array: Challenging the Ultralight Dark Matter Paradigm.
Smarra C, Goncharov B, Barausse E, Antoniadis J, Babak S, Nielsen AB, Bassa CG, Berthereau A, Bonetti M, Bortolas E, Brook PR, Burgay M, Caballero RN, Chalumeau A, Champion DJ, Chanlaridis S, Chen S, Cognard I, Desvignes G, Falxa M, Ferdman RD, Franchini A, Gair JR, Graikou E, Grießmeier JM, Guillemot L, Guo YJ, Hu H, Iraci F, Izquierdo-Villalba D, Jang J, Jawor J, Janssen GH, Jessner A, Karuppusamy R, Keane EF, Keith MJ, Kramer M, Krishnakumar MA, Lackeos K, Lee KJ, Liu K, Liu Y, Lyne AG, McKee JW, Main RA, Mickaliger MB, Niţu IC, Parthasarathy A, Perera BBP, Perrodin D, Petiteau A, Porayko NK, Possenti A, Leclere HQ, Samajdar A, Sanidas SA, Sesana A, Shaifullah G, Speri L, Spiewak R, Stappers BW, Susarla SC, Theureau G, Tiburzi C, van der Wateren E, Vecchio A, Krishnan VV, Wang J, Wang L, Wu Z; European Pulsar Timing Array. Smarra C, et al. Among authors: champion dj. Phys Rev Lett. 2023 Oct 27;131(17):171001. doi: 10.1103/PhysRevLett.131.171001. Phys Rev Lett. 2023. PMID: 37955508
Pulsar discovery by global volunteer computing.
Knispel B, Allen B, Cordes JM, Deneva JS, Anderson D, Aulbert C, Bhat ND, Bock O, Bogdanov S, Brazier A, Camilo F, Champion DJ, Chatterjee S, Crawford F, Demorest PB, Fehrmann H, Freire PC, Gonzalez ME, Hammer D, Hessels JW, Jenet FA, Kasian L, Kaspi VM, Kramer M, Lazarus P, van Leeuwen J, Lorimer DR, Lyne AG, Machenschalk B, McLaughlin MA, Messenger C, Nice DJ, Papa MA, Pletsch HJ, Prix R, Ransom SM, Siemens X, Stairs IH, Stappers BW, Stovall K, Venkataraman A. Knispel B, et al. Among authors: champion dj. Science. 2010 Sep 10;329(5997):1305. doi: 10.1126/science.1195253. Epub 2010 Aug 12. Science. 2010. PMID: 20705813
A population of fast radio bursts at cosmological distances.
Thornton D, Stappers B, Bailes M, Barsdell B, Bates S, Bhat ND, Burgay M, Burke-Spolaor S, Champion DJ, Coster P, D'Amico N, Jameson A, Johnston S, Keith M, Kramer M, Levin L, Milia S, Ng C, Possenti A, van Straten W. Thornton D, et al. Among authors: champion dj. Science. 2013 Jul 5;341(6141):53-6. doi: 10.1126/science.1236789. Science. 2013. PMID: 23828936
A strong magnetic field around the supermassive black hole at the centre of the Galaxy.
Eatough RP, Falcke H, Karuppusamy R, Lee KJ, Champion DJ, Keane EF, Desvignes G, Schnitzeler DH, Spitler LG, Kramer M, Klein B, Bassa C, Bower GC, Brunthaler A, Cognard I, Deller AT, Demorest PB, Freire PC, Kraus A, Lyne AG, Noutsos A, Stappers B, Wex N. Eatough RP, et al. Among authors: champion dj. Nature. 2013 Sep 19;501(7467):391-4. doi: 10.1038/nature12499. Epub 2013 Aug 14. Nature. 2013. PMID: 23945588 Free article.
Limits on Anisotropy in the Nanohertz Stochastic Gravitational Wave Background.
Taylor SR, Mingarelli CM, Gair JR, Sesana A, Theureau G, Babak S, Bassa CG, Brem P, Burgay M, Caballero RN, Champion DJ, Cognard I, Desvignes G, Guillemot L, Hessels JW, Janssen GH, Karuppusamy R, Kramer M, Lassus A, Lazarus P, Lentati L, Liu K, Osłowski S, Perrodin D, Petiteau A, Possenti A, Purver MB, Rosado PA, Sanidas SA, Smits R, Stappers B, Tiburzi C, van Haasteren R, Vecchio A, Verbiest JP; EPTA Collaboration. Taylor SR, et al. Among authors: champion dj. Phys Rev Lett. 2015 Jul 24;115(4):041101. doi: 10.1103/PhysRevLett.115.041101. Epub 2015 Jul 22. Phys Rev Lett. 2015. PMID: 26252674 Free article.
A pulsar in a binary with a compact object in the mass gap between neutron stars and black holes.
Barr ED, Dutta A, Freire PCC, Cadelano M, Gautam T, Kramer M, Pallanca C, Ransom SM, Ridolfi A, Stappers BW, Tauris TM, Venkatraman Krishnan V, Wex N, Bailes M, Behrend J, Buchner S, Burgay M, Chen W, Champion DJ, Chen CR, Corongiu A, Geyer M, Men YP, Padmanabh PV, Possenti A. Barr ED, et al. Among authors: champion dj. Science. 2024 Jan 19;383(6680):275-279. doi: 10.1126/science.adg3005. Epub 2024 Jan 18. Science. 2024. PMID: 38236981
An eccentric binary millisecond pulsar in the galactic plane.
Champion DJ, Ransom SM, Lazarus P, Camilo F, Bassa C, Kaspi VM, Nice DJ, Freire PC, Stairs IH, van Leeuwen J, Stappers BW, Cordes JM, Hessels JW, Lorimer DR, Arzoumanian Z, Backer DC, Bhat ND, Chatterjee S, Cognard I, Deneva JS, Faucher-Giguère CA, Gaensler BM, Han J, Jenet FA, Kasian L, Kondratiev VI, Kramer M, Lazio J, McLaughlin MA, Venkataraman A, Vlemmings W. Champion DJ, et al. Science. 2008 Jun 6;320(5881):1309-12. doi: 10.1126/science.1157580. Epub 2008 May 15. Science. 2008. PMID: 18483399 Free article.
A radio pulsar/x-ray binary link.
Archibald AM, Stairs IH, Ransom SM, Kaspi VM, Kondratiev VI, Lorimer DR, McLaughlin MA, Boyles J, Hessels JW, Lynch R, van Leeuwen J, Roberts MS, Jenet F, Champion DJ, Rosen R, Barlow BN, Dunlap BH, Remillard RA. Archibald AM, et al. Among authors: champion dj. Science. 2009 Jun 12;324(5933):1411-4. doi: 10.1126/science.1172740. Epub 2009 May 21. Science. 2009. PMID: 19460964