An extreme magneto-ionic environment associated with the fast radio burst source FRB 121102
Daniele Michilli,Daniele Michilli,A. Seymour,Jason W. T. Hessels,Jason W. T. Hessels,Laura Spitler,Vishal Gajjar,Vishal Gajjar,Anne M. Archibald,Anne M. Archibald,Geoffrey C. Bower,Shami Chatterjee,James M. Cordes,K. Gourdji,George Heald,V. M. Kaspi,Casey J. Law,Charlotte Sobey,Charlotte Sobey,Elizabeth A. K. Adams,C. G. Bassa,Slavko Bogdanov,Casey Brinkman,Paul Demorest,F. Fernandez,Gregory Hellbourg,T. J. W. Lazio,R. S. Lynch,Natasha Maddox,Benito Marcote,Maura McLaughlin,Zsolt Paragi,Scott M. Ransom,P. Scholz,Andrew Siemion,Andrew Siemion,Andrew Siemion,Shriharsh P. Tendulkar,P. J. Van Rooy,Robert Wharton,D. Whitlow +40 more
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TLDR
Observations of FRB 121102 show almost 100 per cent linearly polarized emission at a very high and variable Faraday rotation measure, demonstrating that the fast radio burst source is in an extreme and dynamic magneto-ionic environment, and the short durations of the bursts suggest a neutron star origin.Abstract:
Fast radio bursts are millisecond-duration, extragalactic radio flashes of unknown physical origin(1-3). The only known repeating fast radio burst source(4-6)-FRB 121102-has been localized to a star-forming region in a dwarf galaxy(7-9) at redshift 0.193 and is spatially coincident with a compact, persistent radio source(7,10). The origin of the bursts, the nature of the persistent source and the properties of the local environment are still unclear. Here we report observations of FRB 121102 that show almost 100 per cent linearly polarized emission at a very high and variable Faraday rotation measure in the source frame (varying from + 1.46 x 10(5) radians per square metre to + 1.33 x 10(5) radians per square metre at epochs separated by seven months) and narrow (below 30 microseconds) temporal structure. The large and variable rotation measure demonstrates that FRB 121102 is in an extreme and dynamic magneto-ionic environment, and the short durations of the bursts suggest a neutron star origin. Such large rotation measures have hitherto been observed(11,12) only in the vicinities of massive black holes (larger than about 10,000 solar masses). Indeed, the properties of the persistent radio source are compatible with those of a low-luminosity, accreting massive black hole(10). The bursts may therefore come from a neutron star in such an environment or could be explained by other models, such as a highly magnetized wind nebula(13) or supernova remnant(14) surrounding a young neutron star.read more
Citations
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Journal ArticleDOI
A single fast radio burst localized to a massive galaxy at cosmological distance
Keith W. Bannister,Adam Deller,Chris Phillips,Jean-Pierre Macquart,Jason X. Prochaska,Jason X. Prochaska,Nicolas Tejos,Stuart D. Ryder,Elaine M. Sadler,Elaine M. Sadler,Ryan Shannon,Sunil Simha,Cherie K. Day,Matthew McQuinn,F. O. North-Hickey,Shivani Bhandari,W. Arcus,Vardha N. Bennert,J. N. Burchett,M. Bouwhuis,Richard Dodson,Ron Ekers,Ron Ekers,Wael Farah,Chris Flynn,C. W. James,Matthew Kerr,Emil Lenc,Elizabeth K. Mahony,John M. O'Meara,Stefan Oslowski,Hao Qiu,Hao Qiu,Tommaso Treu,T. Bateman,Douglas C.-J. Bock,R. J. Bolton,Anthony G. A. Brown,John D. Bunton,Aaron Chippendale,F. R. Cooray,Tim J. Cornwell,N. Gupta,Douglas B. Hayman,Michael Kesteven,Bärbel S. Koribalski,A. Macleod,Naomi McClure-Griffiths,S. Neuhold,Ray P. Norris,Ray P. Norris,M. A. Pilawa,R.-Y. Qiao,John Reynolds,Daniel N. Roxby,Timothy W. Shimwell,Maxim Voronkov,Christine D. Wilson +57 more
TL;DR: In this paper, the authors reported the interferometric localization of the single-pulse fast radio burst (FRB 180924) to a position 4 kiloparsecs from the center of a luminous galaxy at redshift 0.3214.
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CHIME/FRB Discovery of Eight New Repeating Fast Radio Burst Sources
B. C. Andersen,Kevin Bandura,Mohit Bhardwaj,P. Boubel,M. M. Boyce,P. J. Boyle,C. Brar,Tomas Cassanelli,P. Chawla,D. Cubranic,M. Deng,M. Dobbs,M. Fandino,E. Fonseca,Bryan Gaensler,A. J. Gilbert,A. J. Gilbert,U. Giri,Deborah C. Good,Mark Halpern,Alex S. Hill,Gary Hinshaw,C. Höfer,A. Josephy,Victoria M. Kaspi,Roland Kothes,T. Landecker,T. Landecker,Dustin Lang,D. Z. Li,Hsiu-Hsien Lin,Kiyoshi Masui,J. Mena-Parra,M. Merryfield,R. Mckinven,D. Michilli,D. Michilli,N. Milutinovic,A. Naidu,Laura Newburgh,Chi-Yung Ng,C. Patel,Ue-Li Pen,T. Pinsonneault-Marotte,Ziggy Pleunis,M. Rafiei-Ravandi,M. Rahman,Scott M. Ransom,A. Renard,Paul Scholz,S. R. Siegel,S. Singh,Kendrick M. Smith,Ingrid H. Stairs,S. P. Tendulkar,I. Tretyakov,K. Vanderlinde,P. Yadav,A. V. Zwaniga +58 more
Journal ArticleDOI
A repeating fast radio burst source localized to a nearby spiral galaxy
Benito Marcote,K. Nimmo,K. Nimmo,Jason W. T. Hessels,Jason W. T. Hessels,Shriharsh P. Tendulkar,C. G. Bassa,Zsolt Paragi,A. Keimpema,Mohit Bhardwaj,Ramesh Karuppusamy,V. M. Kaspi,Casey J. Law,Daniele Michilli,Kshitij Aggarwal,B. C. Andersen,Anne M. Archibald,Anne M. Archibald,Kevin Bandura,Geoffrey C. Bower,P. J. Boyle,C. Brar,Sarah Burke-Spolaor,Bryan J. Butler,T. Cassanelli,P. Chawla,Paul Demorest,M. A. Dobbs,Emmanuel Fonseca,U. Giri,U. Giri,Deborah C. Good,K. Gourdji,A. Josephy,A. Yu. Kirichenko,A. Yu. Kirichenko,F. Kirsten,T. L. Landecker,Dustin Lang,T. J. W. Lazio,D. Z. Li,Hsiu-Hsien Lin,J. D. Linford,Kiyoshi Masui,J. Mena-Parra,A. Naidu,Cherry Ng,C. Patel,Ue-Li Pen,Ziggy Pleunis,M. Rafiei-Ravandi,Mubdi Rahman,A. Renard,P. Scholz,P. Scholz,S. R. Siegel,Kendrick M. Smith,Ingrid H. Stairs,K. Vanderlinde,A. V. Zwaniga +59 more
TL;DR: Only one repeating fast radio burst has been localized, to an irregular dwarf galaxy; now another is found to come from a star-forming region of a nearby spiral galaxy, suggesting that repeating FRBs may have a wide range of luminosities, and originate from diverse host galaxies and local environments.
Journal ArticleDOI
Fast radio bursts
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Journal ArticleDOI
Fast radio bursts as synchrotron maser emission from decelerating relativistic blast waves
TL;DR: In this article, the authors combine PIC simulation results for the synchrotron maser with the dynamics of self-similar shock deceleration, as commonly applied to GRBs, to explore the implications for FRB emission.
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Laura Spitler,Paul Scholz,Jason W. T. Hessels,Jason W. T. Hessels,Slavko Bogdanov,Adam Brazier,Fernando Camilo,Shami Chatterjee,J. M. Cordes,Fronefield Crawford,Julia Deneva,Robert D. Ferdman,Paulo C. C. Freire,Victoria M. Kaspi,P. Lazarus,R. S. Lynch,R. S. Lynch,E. Madsen,Maura McLaughlin,C. Patel,Scott M. Ransom,Andrew Seymour,Ingrid H. Stairs,Ingrid H. Stairs,Ben Stappers,J. van Leeuwen,J. van Leeuwen,Weiwei Zhu +27 more
TL;DR: These repeat bursts with high dispersion measure and variable spectra specifically seen from the direction of FRB 121102 support an origin in a young, highly magnetized, extragalactic neutron star.
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