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Compact radio emiss...
Compact radio emission indicates a structured jet was produced by a binary neutron star merger
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- Ghirlanda, G. (author)
- Universita' degli Studi di Milano-Bicocca,University of Milano-Bicocca,Istituto Nazionale di Fisica Nucleare,National Institute for Nuclear Physics,Istituto nazionale di astrofisica (INAF)
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- Salafia, O. S. (author)
- Istituto Nazionale di Fisica Nucleare,National Institute for Nuclear Physics,Istituto nazionale di astrofisica (INAF),Universita' degli Studi di Milano-Bicocca,University of Milano-Bicocca
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- Paragi, Z. (author)
- Joint Institute for VLBI in Europe (JIVE)
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- Giroletti, M. (author)
- Istituto nazionale di astrofisica (INAF)
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- Yang, Jun, 1979 (author)
- Chinese Academy of Sciences,Chalmers tekniska högskola,Chalmers University of Technology
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- Marcote, B. (author)
- Joint Institute for VLBI in Europe (JIVE)
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- Blanchard, J. (author)
- Joint Institute for VLBI in Europe (JIVE)
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- Agudo, I. (author)
- Instituto de Astrofisica de Andalucía (IAA),Institute of Astrophysics of Andalusia (IAA)
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- An, T. (author)
- Shanghai Astronomical Observatory. Chinese Academy of Sciences,Shanghai Astronomical Observatory Chinese Academy of Sciences
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- Bernardini, M. G. (author)
- Laboratoire Univers et Particules de Montpellier
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- Beswick, R. J. (author)
- University of Manchester
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- Branchesi, M. (author)
- Istituto Nazionale di Fisica Nucleare,National Institute for Nuclear Physics,Gran Sasso Science Institute (GSSI)
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- Campana, S. (author)
- Istituto nazionale di astrofisica (INAF)
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- Casadio, C. (author)
- Max Planck Gesellschaft zur Förderung der Wissenschaften e.V. (MPG),Max Planck Society for the Advancement of Science (MPG)
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- Chassande-Mottin, E. (author)
- Paris Diderot University, France
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- Colpi, M. (author)
- Universita' degli Studi di Milano-Bicocca,University of Milano-Bicocca,Istituto Nazionale di Fisica Nucleare,National Institute for Nuclear Physics
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- Covino, S. (author)
- Istituto nazionale di astrofisica (INAF)
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- D'Avanzo, P. (author)
- Istituto nazionale di astrofisica (INAF)
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- D'Elia, V. (author)
- Agenzia Spaziale Italiana
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- Frey, S. (author)
- Magyar Tudomanyos Akademia,Hungarian Academy of Sciences
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- Gawroński, M. P. (author)
- Uniwersytet Mikolaja Kopernika w Toruniu,Nicolaus Copernicus University
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- Ghisellini, G. (author)
- Istituto nazionale di astrofisica (INAF)
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- Gurvits, L. I. (author)
- Joint Institute for VLBI in Europe (JIVE),Technische Universiteit Delft,Delft University of Technology (TU Delft)
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- Jonker, P. G. (author)
- Radboud Universiteit,Radboud University,Netherlands Institute for Space Research (SRON)
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- van Langevelde, H. J. (author)
- Universiteit Leiden (UL),Leiden University (UL),Joint Institute for VLBI in Europe (JIVE)
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- Melandri, A. (author)
- Istituto nazionale di astrofisica (INAF)
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- Moldon, J. (author)
- University of Manchester
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- Nava, L. (author)
- Istituto nazionale di astrofisica (INAF)
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- Perego, A. (author)
- Istituto Nazionale di Fisica Nucleare,National Institute for Nuclear Physics
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- Pérez-Torres, M.A. (author)
- Instituto de Astrofisica de Andalucía (IAA),Institute of Astrophysics of Andalusia (IAA),Universidad de Zaragoza,University of Zaragoza
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- Reynolds, C. (author)
- Commonwealth Scientific and Industrial Research Organisation (CSIRO)
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- Salvaterra, R. (author)
- Istituto nazionale di astrofisica (INAF)
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- Tagliaferri, G. (author)
- Istituto nazionale di astrofisica (INAF)
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- Venturi, T. (author)
- Istituto nazionale di astrofisica (INAF)
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- Vergani, S. D. (author)
- Observatoire de Paris-Meudon
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- Zhang, M. (author)
- Chinese Academy of Sciences
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(creator_code:org_t)
- American Association for the Advancement of Science (AAAS), 2019
- 2019
- English.
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In: Science. - : American Association for the Advancement of Science (AAAS). - 0036-8075 .- 1095-9203. ; 363:6430, s. 968-971
- Related links:
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http://arxiv.org/pdf...
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https://research.cha...
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https://doi.org/10.1...
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Abstract
Subject headings
Close
- The binary neutron star merger event GW170817 was detected through both electromagnetic radiation and gravitational waves. Its afterglow emission may have been produced by either a narrow relativistic jet or an isotropic outflow. High-spatial-resolution measurements of the source size and displacement can discriminate between these scenarios. We present very-long-baseline interferometry observations, performed 207.4 days after the merger by using a global network of 32 radio telescopes. The apparent source size is constrained to be smaller than 2.5 milli-arc seconds at the 90% confidence level. This excludes the isotropic outflow scenario, which would have produced a larger apparent size, indicating that GW170817 produced a structured relativistic jet. Our rate calculations show that at least 10% of neutron star mergers produce such a jet.
Subject headings
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Publication and Content Type
- art (subject category)
- ref (subject category)
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Science
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To the university's database
- By the author/editor
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Ghirlanda, G.
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Salafia, O. S.
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Paragi, Z.
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Giroletti, M.
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Yang, Jun, 1979
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Marcote, B.
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show more...
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Blanchard, J.
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Agudo, I.
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An, T.
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Bernardini, M. G ...
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Beswick, R. J.
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Branchesi, M.
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Campana, S.
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Casadio, C.
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Chassande-Mottin ...
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Colpi, M.
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Covino, S.
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D'Avanzo, P.
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D'Elia, V.
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Frey, S.
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Gawroński, M. P.
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Ghisellini, G.
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Gurvits, L. I.
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Jonker, P. G.
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van Langevelde, ...
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Melandri, A.
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Moldon, J.
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Nava, L.
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Perego, A.
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Pérez-Torres, M. ...
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Reynolds, C.
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Salvaterra, R.
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Tagliaferri, G.
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Venturi, T.
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Vergani, S. D.
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Zhang, M.
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Astronomy Astrop ...
- Articles in the publication
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Science
- By the university
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Chalmers University of Technology