Spectral analysis of 35 GRBs/XRFs observed with HETE-2/FREGATE

Barraud, C.; Olive, J.-F.; Lestrade, J. P.; Atteia, J.-L.; Hurley, K.; Ricker, G.; Lamb, D. Q.; Kawai, N.; Boer, M.; Dezalay, J.-P.; Pizzichini, G.; Vanderspek, R.; Crew, G.; Doty, J.; Monnelly, G.; Villasenor, J.; Butler, N.; Levine, A.; Yoshida, A.; Shirasaki, Y.; Sakamoto, T.; Tamagawa, T.; Torii, K.; Matsuoka, M.; Fenimore, E. E.; Galassi, M.; Tavenner, T.; Donaghy, T. Q.; Graziani, C.; Jernigan, J. G.

doi:10.1051/0004-6361:20030074

論文・著書情報

タイトル

和文:
英文:	Spectral analysis of 35 GRBs/XRFs observed with HETE-2/FREGATE

著者

和文:

Barraud, C., Olive, J.-F., Lestrade, J. P., Atteia, J.-L., Hurley, K., Ricker, G., Lamb, D. Q., 河合誠之, Boer, M., Dezalay, J.-P., Pizzichini, G., Vanderspek, R., Crew, G., Doty, J., Monnelly, G., Villasenor, J., Butler, N., Levine, A., Yoshida, A., Shirasaki, Y., Sakamoto, T., Tamagawa, T., Torii, K., Matsuoka, M., Fenimore, E. E., Galassi, M., Tavenner, T., Donaghy, T. Q., Graziani, C., Jernigan, J. G..

英文:

Barraud, C., Olive, J.-F., Lestrade, J. P., Atteia, J.-L., Hurley, K., Ricker, G., Lamb, D. Q., Kawai, N., Boer, M., Dezalay, J.-P., Pizzichini, G., Vanderspek, R., Crew, G., Doty, J., Monnelly, G., Villasenor, J., Butler, N., Levine, A., Yoshida, A., Shirasaki, Y., Sakamoto, T., Tamagawa, T., Torii, K., Matsuoka, M., Fenimore, E. E., Galassi, M., Tavenner, T., Donaghy, T. Q., Graziani, C., Jernigan, J. G..

言語

English

掲載誌/書名

和文:
英文:	Astronomy and Astrophysics

巻, 号, ページ

Vol. 400 pp. 1021-1030

出版年月

2003年3月

出版者

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開催地

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DOI

https://doi.org/10.1051/0004-6361:20030074

アブストラクト

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_p . We then discuss the existence and nature of the recently discovered X-Ray Flashes and their relationship with classical GRBs. Appendix A is only available in electronic form at http://edpsciences.org

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