A structured jet explains the extreme GRB 221009A

Long-duration gamma-ray bursts (GRBs) are powerful cosmic explosions, signaling the death of massive stars. Among them, GRB 221009A is by far the brightest burst ever observed. Because of its enormous energy (E(iso) ≈ 10(55) erg) and proximity (z ≈ 0.15), GRB 221009A is an exceptionally rare event t...

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Autores principales: O’Connor, Brendan, Troja, Eleonora, Ryan, Geoffrey, Beniamini, Paz, van Eerten, Hendrik, Granot, Jonathan, Dichiara, Simone, Ricci, Roberto, Lipunov, Vladimir, Gillanders, James H., Gill, Ramandeep, Moss, Michael, Anand, Shreya, Andreoni, Igor, Becerra, Rosa L., Buckley, David A. H., Butler, Nathaniel R., Cenko, Stephen B., Chasovnikov, Aristarkh, Durbak, Joseph, Francile, Carlos, Hammerstein, Erica, van der Horst, Alexander J., Kasliwal, Mansi M., Kouveliotou, Chryssa, Kutyrev, Alexander S., Lee, William H., Srinivasaragavan, Gokul P., Topolev, Vladislav, Watson, Alan M., Yang, Yuhan, Zhirkov, Kirill
Formato: Online Artículo Texto
Lenguaje:English
Publicado: American Association for the Advancement of Science 2023
Materias:
Earth, Environmental, Ecological, and Space Sciences
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10246904/
https://www.ncbi.nlm.nih.gov/pubmed/37285439
http://dx.doi.org/10.1126/sciadv.adi1405
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author O’Connor, Brendan
Troja, Eleonora
Ryan, Geoffrey
Beniamini, Paz
van Eerten, Hendrik
Granot, Jonathan
Dichiara, Simone
Ricci, Roberto
Lipunov, Vladimir
Gillanders, James H.
Gill, Ramandeep
Moss, Michael
Anand, Shreya
Andreoni, Igor
Becerra, Rosa L.
Buckley, David A. H.
Butler, Nathaniel R.
Cenko, Stephen B.
Chasovnikov, Aristarkh
Durbak, Joseph
Francile, Carlos
Hammerstein, Erica
van der Horst, Alexander J.
Kasliwal, Mansi M.
Kouveliotou, Chryssa
Kutyrev, Alexander S.
Lee, William H.
Srinivasaragavan, Gokul P.
Topolev, Vladislav
Watson, Alan M.
Yang, Yuhan
Zhirkov, Kirill
author_facet O’Connor, Brendan
Troja, Eleonora
Ryan, Geoffrey
Beniamini, Paz
van Eerten, Hendrik
Granot, Jonathan
Dichiara, Simone
Ricci, Roberto
Lipunov, Vladimir
Gillanders, James H.
Gill, Ramandeep
Moss, Michael
Anand, Shreya
Andreoni, Igor
Becerra, Rosa L.
Buckley, David A. H.
Butler, Nathaniel R.
Cenko, Stephen B.
Chasovnikov, Aristarkh
Durbak, Joseph
Francile, Carlos
Hammerstein, Erica
van der Horst, Alexander J.
Kasliwal, Mansi M.
Kouveliotou, Chryssa
Kutyrev, Alexander S.
Lee, William H.
Srinivasaragavan, Gokul P.
Topolev, Vladislav
Watson, Alan M.
Yang, Yuhan
Zhirkov, Kirill
author_sort O’Connor, Brendan
collection PubMed
description Long-duration gamma-ray bursts (GRBs) are powerful cosmic explosions, signaling the death of massive stars. Among them, GRB 221009A is by far the brightest burst ever observed. Because of its enormous energy (E(iso) ≈ 10(55) erg) and proximity (z ≈ 0.15), GRB 221009A is an exceptionally rare event that pushes the limits of our theories. We present multiwavelength observations covering the first 3 months of its afterglow evolution. The x-ray brightness decays as a power law with slope ≈t(−1.66), which is not consistent with standard predictions for jetted emission. We attribute this behavior to a shallow energy profile of the relativistic jet. A similar trend is observed in other energetic GRBs, suggesting that the most extreme explosions may be powered by structured jets launched by a common central engine.
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spelling pubmed-102469042023-06-08 A structured jet explains the extreme GRB 221009A O’Connor, Brendan Troja, Eleonora Ryan, Geoffrey Beniamini, Paz van Eerten, Hendrik Granot, Jonathan Dichiara, Simone Ricci, Roberto Lipunov, Vladimir Gillanders, James H. Gill, Ramandeep Moss, Michael Anand, Shreya Andreoni, Igor Becerra, Rosa L. Buckley, David A. H. Butler, Nathaniel R. Cenko, Stephen B. Chasovnikov, Aristarkh Durbak, Joseph Francile, Carlos Hammerstein, Erica van der Horst, Alexander J. Kasliwal, Mansi M. Kouveliotou, Chryssa Kutyrev, Alexander S. Lee, William H. Srinivasaragavan, Gokul P. Topolev, Vladislav Watson, Alan M. Yang, Yuhan Zhirkov, Kirill Sci Adv Earth, Environmental, Ecological, and Space Sciences Long-duration gamma-ray bursts (GRBs) are powerful cosmic explosions, signaling the death of massive stars. Among them, GRB 221009A is by far the brightest burst ever observed. Because of its enormous energy (E(iso) ≈ 10(55) erg) and proximity (z ≈ 0.15), GRB 221009A is an exceptionally rare event that pushes the limits of our theories. We present multiwavelength observations covering the first 3 months of its afterglow evolution. The x-ray brightness decays as a power law with slope ≈t(−1.66), which is not consistent with standard predictions for jetted emission. We attribute this behavior to a shallow energy profile of the relativistic jet. A similar trend is observed in other energetic GRBs, suggesting that the most extreme explosions may be powered by structured jets launched by a common central engine. American Association for the Advancement of Science 2023-06-07 /pmc/articles/PMC10246904/ /pubmed/37285439 http://dx.doi.org/10.1126/sciadv.adi1405 Text en Copyright © 2023 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC). https://creativecommons.org/licenses/by-nc/4.0/This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial license (https://creativecommons.org/licenses/by-nc/4.0/) , which permits use, distribution, and reproduction in any medium, so long as the resultant use is not for commercial advantage and provided the original work is properly cited.
spellingShingle Earth, Environmental, Ecological, and Space Sciences
O’Connor, Brendan
Troja, Eleonora
Ryan, Geoffrey
Beniamini, Paz
van Eerten, Hendrik
Granot, Jonathan
Dichiara, Simone
Ricci, Roberto
Lipunov, Vladimir
Gillanders, James H.
Gill, Ramandeep
Moss, Michael
Anand, Shreya
Andreoni, Igor
Becerra, Rosa L.
Buckley, David A. H.
Butler, Nathaniel R.
Cenko, Stephen B.
Chasovnikov, Aristarkh
Durbak, Joseph
Francile, Carlos
Hammerstein, Erica
van der Horst, Alexander J.
Kasliwal, Mansi M.
Kouveliotou, Chryssa
Kutyrev, Alexander S.
Lee, William H.
Srinivasaragavan, Gokul P.
Topolev, Vladislav
Watson, Alan M.
Yang, Yuhan
Zhirkov, Kirill
A structured jet explains the extreme GRB 221009A
title A structured jet explains the extreme GRB 221009A
title_full A structured jet explains the extreme GRB 221009A
title_fullStr A structured jet explains the extreme GRB 221009A
title_full_unstemmed A structured jet explains the extreme GRB 221009A
title_short A structured jet explains the extreme GRB 221009A
title_sort structured jet explains the extreme grb 221009a
topic Earth, Environmental, Ecological, and Space Sciences
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10246904/
https://www.ncbi.nlm.nih.gov/pubmed/37285439
http://dx.doi.org/10.1126/sciadv.adi1405
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