Global characteristics of X-ray flashes and X-ray rich GRBs observed by HETE-2

T. Sakamoto; D. Q. Lamb; N. Kawai; A. Yoshida; C. Graziani; E. E. Fenimore; T. Q. Donaghy; M. Matsuoka; M. Suzuki; G. Ricker; J. L. Atteia; Y. Shirasaki; T. Tamagawa; K. Torii; Y. Nakagawa; M. Galassi; J. Doty; R. Vanderspek; G. B. Crew; J. Villasenor; N. Butler; J. G. Jernigan; C. Barraud; M. Bore; J. P. Dezalay; J. F. Olive; K. Hurley; S. E. Woosley; G. Pizzichini

doi:10.1393/ncc/i2005-10055-y

Global characteristics of X-ray flashes and X-ray rich GRBs observed by HETE-2

T. Sakamoto, D. Q. Lamb, N. Kawai, A. Yoshida, C. Graziani, E. E. Fenimore, T. Q. Donaghy, M. Matsuoka, M. Suzuki, G. Ricker, J. L. Atteia, Y. Shirasaki, T. Tamagawa, K. Torii, Y. Nakagawa, M. Galassi, J. Doty, R. Vanderspek, G. B. Crew, J. VillasenorN. Butler, J. G. Jernigan, C. Barraud, M. Bore, J. P. Dezalay, J. F. Olive, K. Hurley, S. E. Woosley, G. Pizzichini

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Abstract

We describe and discuss the global properties of 45 gamma-ray bursts (GRBs) observed by HETE-2 during the first three years of its mission, forcing on the properties of X-Ray Flashes (XRFs) and X-ray-rich GRBs (XRRs). We find that: 1) the numbers of XRFs, XRRs, and GRBs are comparable, 2) the durations of XRFs and XRRs are similar to those of GRBs, and 3) the spectral properties of XRFs and XRRs are similar to those of GRBs, expect that the values of the peak energy Speak of the burst spectrum is _νF_ν, the peak flux F, and the fluence S of XRFs are much smaller -and those of XRRs are smaller - than those of GRBs. These results provide strong evidence that all three kinds of bursts arise from the same phenomenon.

Original language	English (US)
Pages (from-to)	339-342
Number of pages	4
Journal	Nuovo Cimento della Societa Italiana di Fisica C
Volume	28
Issue number	3
DOIs	https://doi.org/10.1393/ncc/i2005-10055-y
State	Published - 2005
Externally published	Yes

ASJC Scopus subject areas

Astronomy and Astrophysics
Physics and Astronomy (miscellaneous)

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Sakamoto, T., Lamb, D. Q., Kawai, N., Yoshida, A., Graziani, C., Fenimore, E. E., Donaghy, T. Q., Matsuoka, M., Suzuki, M., Ricker, G., Atteia, J. L., Shirasaki, Y., Tamagawa, T., Torii, K., Nakagawa, Y., Galassi, M., Doty, J., Vanderspek, R., Crew, G. B., ... Pizzichini, G. (2005). Global characteristics of X-ray flashes and X-ray rich GRBs observed by HETE-2. Nuovo Cimento della Societa Italiana di Fisica C, 28(3), 339-342. https://doi.org/10.1393/ncc/i2005-10055-y

Sakamoto, T, Lamb, DQ, Kawai, N, Yoshida, A, Graziani, C, Fenimore, EE, Donaghy, TQ, Matsuoka, M, Suzuki, M, Ricker, G, Atteia, JL, Shirasaki, Y, Tamagawa, T, Torii, K, Nakagawa, Y, Galassi, M, Doty, J, Vanderspek, R, Crew, GB, Villasenor, J, Butler, N, Jernigan, JG, Barraud, C, Bore, M, Dezalay, JP, Olive, JF, Hurley, K, Woosley, SE & Pizzichini, G 2005, 'Global characteristics of X-ray flashes and X-ray rich GRBs observed by HETE-2', Nuovo Cimento della Societa Italiana di Fisica C, vol. 28, no. 3, pp. 339-342. https://doi.org/10.1393/ncc/i2005-10055-y

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abstract = "We describe and discuss the global properties of 45 gamma-ray bursts (GRBs) observed by HETE-2 during the first three years of its mission, forcing on the properties of X-Ray Flashes (XRFs) and X-ray-rich GRBs (XRRs). We find that: 1) the numbers of XRFs, XRRs, and GRBs are comparable, 2) the durations of XRFs and XRRs are similar to those of GRBs, and 3) the spectral properties of XRFs and XRRs are similar to those of GRBs, expect that the values of the peak energy Speak of the burst spectrum is νFν, the peak flux F, and the fluence S of XRFs are much smaller -and those of XRRs are smaller - than those of GRBs. These results provide strong evidence that all three kinds of bursts arise from the same phenomenon.",

author = "T. Sakamoto and Lamb, {D. Q.} and N. Kawai and A. Yoshida and C. Graziani and Fenimore, {E. E.} and Donaghy, {T. Q.} and M. Matsuoka and M. Suzuki and G. Ricker and Atteia, {J. L.} and Y. Shirasaki and T. Tamagawa and K. Torii and Y. Nakagawa and M. Galassi and J. Doty and R. Vanderspek and Crew, {G. B.} and J. Villasenor and N. Butler and Jernigan, {J. G.} and C. Barraud and M. Bore and Dezalay, {J. P.} and Olive, {J. F.} and K. Hurley and Woosley, {S. E.} and G. Pizzichini",

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doi = "10.1393/ncc/i2005-10055-y",

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AU - Sakamoto, T.

AU - Lamb, D. Q.

AU - Kawai, N.

AU - Yoshida, A.

AU - Graziani, C.

AU - Fenimore, E. E.

AU - Donaghy, T. Q.

AU - Matsuoka, M.

AU - Suzuki, M.

AU - Ricker, G.

AU - Atteia, J. L.

AU - Shirasaki, Y.

AU - Tamagawa, T.

AU - Torii, K.

AU - Nakagawa, Y.

AU - Galassi, M.

AU - Doty, J.

AU - Vanderspek, R.

AU - Crew, G. B.

AU - Villasenor, J.

AU - Butler, N.

AU - Jernigan, J. G.

AU - Barraud, C.

AU - Bore, M.

AU - Dezalay, J. P.

AU - Olive, J. F.

AU - Hurley, K.

AU - Woosley, S. E.

AU - Pizzichini, G.

PY - 2005

Y1 - 2005

N2 - We describe and discuss the global properties of 45 gamma-ray bursts (GRBs) observed by HETE-2 during the first three years of its mission, forcing on the properties of X-Ray Flashes (XRFs) and X-ray-rich GRBs (XRRs). We find that: 1) the numbers of XRFs, XRRs, and GRBs are comparable, 2) the durations of XRFs and XRRs are similar to those of GRBs, and 3) the spectral properties of XRFs and XRRs are similar to those of GRBs, expect that the values of the peak energy Speak of the burst spectrum is νFν, the peak flux F, and the fluence S of XRFs are much smaller -and those of XRRs are smaller - than those of GRBs. These results provide strong evidence that all three kinds of bursts arise from the same phenomenon.

AB - We describe and discuss the global properties of 45 gamma-ray bursts (GRBs) observed by HETE-2 during the first three years of its mission, forcing on the properties of X-Ray Flashes (XRFs) and X-ray-rich GRBs (XRRs). We find that: 1) the numbers of XRFs, XRRs, and GRBs are comparable, 2) the durations of XRFs and XRRs are similar to those of GRBs, and 3) the spectral properties of XRFs and XRRs are similar to those of GRBs, expect that the values of the peak energy Speak of the burst spectrum is νFν, the peak flux F, and the fluence S of XRFs are much smaller -and those of XRRs are smaller - than those of GRBs. These results provide strong evidence that all three kinds of bursts arise from the same phenomenon.

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Global characteristics of X-ray flashes and X-ray rich GRBs observed by HETE-2

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