Spectral analysis of 35 GRBs/XRFs observed with HETE-2/FREGATE
We present a spectral analysis of 35 GRBs detected with the HETE-2 gamma-ray detectors (the FREGATE instrument) in the energy range 7-400 keV. The GRB sample analyzed is made of GRBs localized with the Wide Field X-ray Monitor onboard HETE-2 or with the GRB Interplanetary Network. We derive the spec...
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Main Authors | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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Format | Journal Article |
Language | English |
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21.06.2002
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Abstract | We present a spectral analysis of 35 GRBs detected with the HETE-2 gamma-ray
detectors (the FREGATE instrument) in the energy range 7-400 keV. The GRB
sample analyzed is made of GRBs localized with the Wide Field X-ray Monitor
onboard HETE-2 or with the GRB Interplanetary Network. We derive the spectral
parameters of the time-integrated spectra, and present the distribution of the
low-energy photon index, alpha, and of the peak energy, e_peak . We then
discuss the existence and nature of the recently discovered X-Ray Flashes and
their relationship with classical GRBs. |
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AbstractList | We present a spectral analysis of 35 GRBs detected with the HETE-2 gamma-ray
detectors (the FREGATE instrument) in the energy range 7-400 keV. The GRB
sample analyzed is made of GRBs localized with the Wide Field X-ray Monitor
onboard HETE-2 or with the GRB Interplanetary Network. We derive the spectral
parameters of the time-integrated spectra, and present the distribution of the
low-energy photon index, alpha, and of the peak energy, e_peak . We then
discuss the existence and nature of the recently discovered X-Ray Flashes and
their relationship with classical GRBs. |
Author | Graziani, C Yoshida, A Ricker, G Doty, J Tamagawa, T Lamb, D. Q Galassi, M Torii, K Vanderspek, R Atteia, J-L Donaghy, T. Q Levine, A Hurley, K Kawai, N Pizzichini, G Crew, G Shirasaki, Y Olive, J-F Matsuoka, M Fenimore, E. E Lestrade, J. P Villasenor, J Barraud, C Tavenner, T Jernigan, J. G Butler, N Sakamoto, T Dezalay, J-P Boer, M Monelly, G |
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BackLink | https://doi.org/10.1051/0004-6361:20030074$$DView published paper (Access to full text may be restricted) https://doi.org/10.48550/arXiv.astro-ph/0206380$$DView paper in arXiv |
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Snippet | We present a spectral analysis of 35 GRBs detected with the HETE-2 gamma-ray
detectors (the FREGATE instrument) in the energy range 7-400 keV. The GRB
sample... |
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SubjectTerms | Physics - Astrophysics of Galaxies Physics - Cosmology and Nongalactic Astrophysics Physics - Earth and Planetary Astrophysics Physics - High Energy Astrophysical Phenomena Physics - Instrumentation and Methods for Astrophysics Physics - Solar and Stellar Astrophysics |
Title | Spectral analysis of 35 GRBs/XRFs observed with HETE-2/FREGATE |
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