Gamma-ray burst observations with the CALET Gamma-ray Burst Monitor

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dc.contributor.authorKawakubo, Y.
dc.contributor.authorCannady, Nicholas
dc.contributor.authorHams, Thomas
dc.contributor.authorKrizmanic, John F.
dc.contributor.authorSakai, Kenichi
dc.contributor.authorCALET Collaboration
dc.contributor.authoret al
dc.date.accessioned2022-08-10T21:36:26Z
dc.date.available2022-08-10T21:36:26Z
dc.date.issued2021-07-02
dc.description36th International Cosmic Ray Conference -ICRC2019- July 24th - August 1st, 2019 Madison, WI, U.S.A.en_US
dc.descriptionCALET Collaboration Authors: O. Adriani, Y. Akaike, K. Asano, Y. Asaoka, E. Berti, G. Bigongiari, W. R. Binns, M. Bongi, P. Brogi, A. Bruno, J. H. Buckley, N. Cannady, G. Castellini, C. Checchia, M. L. Cherry, G. Collazuol, K. Ebisawa, A. W. Ficklin, H. Fuke, S. Gonzi, T. G. Guzik, T. Hams, K. Hibino, M. Ichimura, K. Ioka, W. Ishizaki, M. H. Israel, K. Kasahara, J. Kataoka, R. Kataoka, Y. Katayose, C. Kato, N. Kawanaka, Y. Kawakubo, K. Kobayashi, K. Kohri, H. S. Krawczynski, J. F. Krizmanic, P. Maestro, P. S. Marrocchesi, A. M. Messineo, J.W. Mitchell, S. Miyake, A. A. Moiseev, M. Mori, N. Mori, H. M. Motz, K. Munakata, S. Nakahira, J. Nishimura, G. A. de Nolfo, S. Okuno, J. F. Ormes, N. Ospina, S. Ozawa, L. Pacini, P. Papini, B. F. Rauch, S. B. Ricciarini, K. Sakai, T. Sakamoto, M. Sasaki, Y. Shimizu, A. Shiomi, P. Spillantini, F. Stolzi, S. Sugita, A. Sulaj, M. Takita, T. Tamura, T. Terasawa, S. Torii, Y. Tsunesada, Y. Uchihori, E. Vannuccini, J. P. Wefel, K. Yamaoka, S. Yanagita, A. Yoshida, K. Yoshida, and W. V. Zober
dc.description.abstractThe CALET Gamma-ray Burst Monitor (CGBM) is a secondary scientific instrument of the CALET. The CGBM has been monitoring X-ray and gamma-ray sky since October 2015. The main observational target of the CGBM is a gamma-ray burst (GRB). The CGBM can observe GRB light curves and spectra in the energy range from 7 keV to 20 MeV thanks to two kinds of scintillation detectors which are the Hard X-ray Monitor (HXM) and the Soft Gamma-ray Moni- tor (SGM). As of the end of June 2019, CGBM has detected 161 GRBs since October 2015. The durations of GRBs detected by the CGBM were measured by the SGM in the 40 ∼ 1000 keV energy band. As a result, 19 out of 161 GRBs were short bursts which are a primary candidate of the electromagnetic counterparts of gravitational wave source. We performed spectral analysis for bright 4 short GRBs out of 19. We found spectral parameters of the 4 GRBs were consistent with an expectation by the synchrotron shock model. Although observed fluxes of the 4 GRB in the 30 ∼ 1000 keV range were more than ∼ 10 times as large as GRB 170817A, Epeak of GRB 180703B was similar to that of GRB 170817A.en_US
dc.description.urihttps://pos.sissa.it/358/571/en_US
dc.format.extent8 pagesen_US
dc.genreconference papers and proceedingsen_US
dc.identifierdoi:10.13016/m26nkg-oxhp
dc.identifier.citation“Gamma-ray burst observations with the CALET Gamma-ray Burst Monitor,” Y. Kawakubo for the CALET Collaboration, Proceedings of Science: 36th International Cosmic Ray Conference , (Madison, WI), 571 (2019). https://doi.org/10.22323/1.358.0571en_US
dc.identifier.urihttps://doi.org/10.22323/1.358.0571
dc.identifier.urihttp://hdl.handle.net/11603/25358
dc.language.isoen_USen_US
dc.publisherProceedings of Scienceen_US
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC Center for Space Sciences and Technology
dc.relation.ispartofUMBC Faculty Collection
dc.rightsThis work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.en_US
dc.rightsPublic Domain Mark 1.0*
dc.rights.urihttp://creativecommons.org/publicdomain/mark/1.0/*
dc.titleGamma-ray burst observations with the CALET Gamma-ray Burst Monitoren_US
dc.typeTexten_US
dcterms.creatorhttps://orcid.org/0000-0003-2916-6955en_US

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