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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
H.E.S.S. Follow-up Observations of GRB 221009A
Astrophysical Journal Letters, Volume 946, No. 1, Article L27, Year 2023
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Description
GRB 221009A is the brightest gamma-ray burst (GRB) ever detected. To probe the very-high-energy (VHE; >100 GeV) emission, the High Energy Stereoscopic System (H.E.S.S.) began observations 53 hr after the triggering event, when the brightness of the moonlight no longer precluded observations. We derive differential and integral upper limits using H.E.S.S. data from the third, fourth, and ninth nights after the initial GRB detection, after applying atmospheric corrections. The combined observations yield an integral energy flux upper limit of Φ UL 95 % = 9.7 × 10 − 12 erg cm − 2 s − 1 above E thr = 650 GeV. The constraints derived from the H.E.S.S. observations complement the available multiwavelength data. The radio to X-ray data are consistent with synchrotron emission from a single electron population, with the peak in the spectral energy distribution occurring above the X-ray band. Compared to the VHE-bright GRB 190829A, the upper limits for GRB 221009A imply a smaller gamma-ray to X-ray flux ratio in the afterglow. Even in the absence of a detection, the H.E.S.S. upper limits thus contribute to the multiwavelength picture of GRB 221009A, effectively ruling out an IC-dominated scenario. © 2023. The Author(s). Published by the American Astronomical Society.
Authors & Co-Authors
Aharonian, F. A.
Ireland, Dublin
Institiúid Ard-lénn Bhaile Átha Cliath
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Benkhali, Faical Ait
Germany, Heidelberg
Universität Heidelberg
Aschersleben, J.
Netherlands, Groningen
Rijksuniversiteit Groningen
Ashkar, Halim
France, Palaiseau
Institut Polytechnique de Paris
Backes, Michael
Namibia, Windhoek
University of Namibia
South Africa, Potchefstroom
North-west University
Baktash, Ali
Germany, Hamburg
Universität Hamburg
Barbosa Martins, V. Barbosa
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Batzofin, Rowan
Germany, Potsdam
Universität Potsdam
Becherini, Yvonne
France, Paris
Cnrs Centre National de la Recherche Scientifique
Sweden, Vaxjo
Linnaeus University, Växjö
Berge, David
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Germany, Berlin
Humboldt-universität zu Berlin
Bernlöhr, Konrad
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Bi, Baiyang
Germany, Tubingen
Eberhard Karls Universität Tübingen
Boettcher, M.
South Africa, Potchefstroom
North-west University
Boisson, Catherine
France, Paris
Université Psl
Bolmont, Julien
France, Paris
Laboratoire de Physique Nucléaire et de Hautes Energies
de Bony de Lavergne, Mathieu
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Borowska, Jowita
Germany, Berlin
Humboldt-universität zu Berlin
Bouyahiaoui, M.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Bradascio, Federica
France, Gif-sur-yvette
Commissariat a L'energie Atomique et Aux Energies Alternatives
Breuhaus, Mischa
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Brose, Robert
Ireland, Dublin
Institiúid Ard-lénn Bhaile Átha Cliath
Brun, François
France, Gif-sur-yvette
Commissariat a L'energie Atomique et Aux Energies Alternatives
Bruno, B.
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
Bulk, Tomasz
Poland, Warsaw
University of Warsaw
Burger-Scheidlin, Christopher
Ireland, Dublin
Institiúid Ard-lénn Bhaile Átha Cliath
Caroff, Sami
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Casanova, Sabrina
Poland, Krakow
Henryk Niewodniczanski Institute of Nuclear Physics of the Polish Academy of Sciences
Celic, J.
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
Cerruti, Matteo
France, Paris
Cnrs Centre National de la Recherche Scientifique
Chand, Tej
South Africa, Potchefstroom
North-west University
Chandra, Sunil
South Africa, Potchefstroom
North-west University
Chen, Andrew W.
South Africa, Johannesburg
University of the Witwatersrand
Chibueze, James O.
South Africa, Potchefstroom
North-west University
Chibueze, O. U.
South Africa, Potchefstroom
North-west University
Cotter, Garret
United Kingdom, Oxford
University of Oxford
Dai, Shi
Australia, Penrith
Western Sydney University
Damascène Mbarubucyeye, Jean
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Devin, Justine
France, Montpellier
Université de Montpellier
Djannati-Ataï, Arache
France, Paris
Cnrs Centre National de la Recherche Scientifique
Dmytriiev, Anton
South Africa, Potchefstroom
North-west University
Doroshenko, V. T.
Germany, Tubingen
Eberhard Karls Universität Tübingen
Egberts, Kathrin
Germany, Potsdam
Universität Potsdam
Einecke, Sabrina
Australia, Adelaide
The University of Adelaide
Ernenwein, Jean Pierre
France, Marseille
Aix Marseille Université
Fegan, Stephen J.
France, Palaiseau
Institut Polytechnique de Paris
Fichet de Clairfontaine, Gaëtan
France, Paris
Université Psl
Filipovíc, Miroslav D.
Australia, Penrith
Western Sydney University
Fontaine, Gérard
France, Palaiseau
Institut Polytechnique de Paris
Füssling, Matthias
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Funk, Stefan
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
Gabici, Stefano
France, Paris
Cnrs Centre National de la Recherche Scientifique
Ghafourizadeh, S.
Germany, Heidelberg
Universität Heidelberg
Giavitto, Gianluca
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Glawion, Dorit Eisenacher
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
Glicenstein, Jean François
France, Gif-sur-yvette
Commissariat a L'energie Atomique et Aux Energies Alternatives
Goswami, Pranjupriya
South Africa, Potchefstroom
North-west University
Grolleron, G.
France, Paris
Laboratoire de Physique Nucléaire et de Hautes Energies
Grondin, Marie Hélène
Unknown Affiliation
Hinton, James A.J.A.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Holch, T. L.
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Holler, Markus
Unknown Affiliation
Horns, Dieter
Germany, Hamburg
Universität Hamburg
Huang, Zhiqiu
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Jamrozy, Marek
Unknown Affiliation
Jankowsky, Felix
Germany, Heidelberg
Universität Heidelberg
Joshi, Vikas
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
Jung-Richardt, Ira V.
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
Kasai, Eli K.
Namibia, Windhoek
University of Namibia
Katarzyński, Krzysztof
Unknown Affiliation
Khatoon, Rukaiya
South Africa, Potchefstroom
North-west University
Khélifi, Bruno
France, Paris
Cnrs Centre National de la Recherche Scientifique
Klužniak, Wlodzimierz
Unknown Affiliation
Komin, Nukri
South Africa, Johannesburg
University of the Witwatersrand
Konno, Ruslan
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Kosack, Karl
France, Gif-sur-yvette
Commissariat a L'energie Atomique et Aux Energies Alternatives
Kostunin, Dmitriy G.
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Lang, Rodrigo Guedes
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
Le Stum, S.
France, Marseille
Aix Marseille Université
Leitl, F.
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
Lemière, Anne
France, Paris
Cnrs Centre National de la Recherche Scientifique
Lemoine-Goumard, Marianne
Unknown Affiliation
Lenain, Jean Philippe
France, Paris
Laboratoire de Physique Nucléaire et de Hautes Energies
Leuschner, Fabian
Germany, Tubingen
Eberhard Karls Universität Tübingen
Lohse, Thomas
Germany, Berlin
Humboldt-universität zu Berlin
Lypova, Iryna
Germany, Heidelberg
Universität Heidelberg
MacKey, Jonathan
Ireland, Dublin
Institiúid Ard-lénn Bhaile Átha Cliath
Malyshev, Denys
Germany, Tubingen
Eberhard Karls Universität Tübingen
Malyshev, Denys V.
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
Marandon, Vincent
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Marchegiani, Paolo
South Africa, Johannesburg
University of the Witwatersrand
Marcowith, Alexandre
France, Montpellier
Université de Montpellier
Martí.-Devesa, G.
Unknown Affiliation
Marx, Ramin
Germany, Heidelberg
Universität Heidelberg
Meyer, Manuel S.
Germany, Hamburg
Universität Hamburg
Mitchell, Alison M.W.
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
Mohrmann, Lars
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Montanari, Alessandro
Germany, Heidelberg
Universität Heidelberg
Moulin, Emmanuel
France, Gif-sur-yvette
Commissariat a L'energie Atomique et Aux Energies Alternatives
Murach, Thomas
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Nakashima, Kaori
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
de Naurois, Mathieu
France, Palaiseau
Institut Polytechnique de Paris
Niemiec, J.
Poland, Krakow
Henryk Niewodniczanski Institute of Nuclear Physics of the Polish Academy of Sciences
Noel, Angel Priyana
Unknown Affiliation
O’Brien, Paul T.
Unknown Affiliation
Ohm, Stefan
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Olivera-Nieto, Laura
Germany, Heidelberg
Max-planck-institut Für Kernphysik
De Oña Wilhelmi, Emma
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Ostrowski, Michałl
Unknown Affiliation
Panny, Sebastian
Unknown Affiliation
Panter, M.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Parsons, Robert Daniel
Germany, Berlin
Humboldt-universität zu Berlin
Peron, Giada
France, Paris
Cnrs Centre National de la Recherche Scientifique
Prokhorov, Dmitry A.
Unknown Affiliation
Prokoph, Heike
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Pühlhofer, Gerd
Germany, Tubingen
Eberhard Karls Universität Tübingen
Punch, Michael
France, Paris
Cnrs Centre National de la Recherche Scientifique
Quirrenbach, Andreas
Germany, Heidelberg
Universität Heidelberg
Reichherzer, Patrick
France, Gif-sur-yvette
Commissariat a L'energie Atomique et Aux Energies Alternatives
Reimer, Anita
Unknown Affiliation
Reimer, Olaf
Unknown Affiliation
Renaud, Matthieu
France, Montpellier
Université de Montpellier
Reville, Brian
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Rieger, Frank M.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Rowell, Gavin P.
Australia, Adelaide
The University of Adelaide
Rudak, Bronisław
Unknown Affiliation
Sahakian, Vardan H.
Unknown Affiliation
Santangelo, Andrea E.
Germany, Tubingen
Eberhard Karls Universität Tübingen
Sasaki, Manami
Germany, Erlangen
Friedrich-alexander-universität Erlangen-nürnberg
Schüssler, Fabian
France, Gif-sur-yvette
Commissariat a L'energie Atomique et Aux Energies Alternatives
Schutte, Hester M.
South Africa, Potchefstroom
North-west University
Schwanke, Ullrich
Germany, Berlin
Humboldt-universität zu Berlin
Shapopi, J. N.S.
Namibia, Windhoek
University of Namibia
Stawarz, Łukasz
Unknown Affiliation
Steenkamp, R.
Namibia, Windhoek
University of Namibia
Steppa, Constantin
Germany, Potsdam
Universität Potsdam
Sushch, Iurii
South Africa, Potchefstroom
North-west University
Takahashi, Tadayuki
Unknown Affiliation
Terrier, Régis
France, Paris
Cnrs Centre National de la Recherche Scientifique
Uchiyama, Yasunobu
Unknown Affiliation
Venter, Christo
South Africa, Potchefstroom
North-west University
Vink, Jacco S.
Unknown Affiliation
Wagner, Stefan J.
Germany, Heidelberg
Universität Heidelberg
White, Richard J.
Germany, Heidelberg
Max-planck-institut Für Kernphysik
Wierzcholska, Alicja
Poland, Krakow
Henryk Niewodniczanski Institute of Nuclear Physics of the Polish Academy of Sciences
Zacharias, Michael
Germany, Heidelberg
Universität Heidelberg
South Africa, Potchefstroom
North-west University
Zdziarski, Andrzej A.
Unknown Affiliation
Zech, Andreas
France, Paris
Université Psl
Zhu, Sylvia J.
Germany, Hamburg
Deutsches Elektronen-synchrotron Desy
Z̀ywucka, Natalia
South Africa, Potchefstroom
North-west University
Statistics
Citations: 10
Authors: 149
Affiliations: 27
Identifiers
Doi:
10.3847/2041-8213/acc405
ISSN:
20418205
Research Areas
Environmental
Study Design
Cross Sectional Study
Cohort Study