Detailed analyses of GRB 060105 X-ray afterglow observed by Suzaku

Y. E. Nakagawa; M. Tashiro; K. Abe; A. Yoshida; K. Yamaoka; K. Nakazawa; T. Murakami; D. Yonetoku; N. Kawai; J. Nousek; N. Ishikawa; Y. Urata; K. Onda; T. Tamagawa; M. Suzuki; M. Kuwahara; T. Takahashi; M. Yamauchi; E. Sonoda; S. Maeno; K. Kinugasa; T. Kohmura; K. Torii; Y. Ueda; K. Kubota; K. Sugiyasu; H. Kodaira; S. Okuno; S. Yoshinari; T. Shimokawabe; T. Ishimura; G. R. Ricker; J. N. Reeves; L. Angelini; L. J. Kaluzienski; R. L. Kelley

doi:10.1393/ncb/i2007-10316-8

Detailed analyses of GRB 060105 X-ray afterglow observed by Suzaku

Y. E. Nakagawa, M. Tashiro, K. Abe, A. Yoshida, K. Yamaoka, K. Nakazawa, T. Murakami, D. Yonetoku, N. Kawai, J. Nousek, N. Ishikawa, Y. Urata, K. Onda, T. Tamagawa, M. Suzuki, M. Kuwahara, T. Takahashi, M. Yamauchi, E. Sonoda, S. MaenoK. Kinugasa, T. Kohmura, K. Torii, Y. Ueda, K. Kubota, K. Sugiyasu, H. Kodaira, S. Okuno, S. Yoshinari, T. Shimokawabe, T. Ishimura, G. R. Ricker, J. N. Reeves, L. Angelini, L. J. Kaluzienski, R. L. Kelley

Astronomy & Astrophysics

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Abstract

GRB 060105 was detected with the BAT instrument on-board Swift. The Suzaku follow-up observation started just 5.3 hours after the trigger with the XIS and HXD instruments. The XIS detected an uncatalogued fading source and its position was consistent with that previously reported by Swift XRT. We performed the spectral analyses using the data derived from Suzaku XIS and Swift XRT, and found that the spectrum of X-ray afterglow was well reproduced by the absorbed power law model. The best-fit spectral index and absorption are β = 2.15 ± 0.03 and N_H = (3.74 ± 0.03) × 10²¹ cm^-2, respectively. The observed decay curve by Suzaku XIS is fully consistent with the Swift XRT result. The Suzaku and Swift observations imply the possibility of the jet break at t = 3500 s, and the brightening of afterglow around t = 40000 s likely due to the refreshed shock. We see neither significant spectral evolution during the decay, nor evidence of emission line feature.

Original language	English (US)
Pages (from-to)	1531-1533
Number of pages	3
Journal	Nuovo Cimento della Societa Italiana di Fisica B
Volume	121
Issue number	12
DOIs	https://doi.org/10.1393/ncb/i2007-10316-8
State	Published - Dec 2006

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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10.1393/ncb/i2007-10316-8

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Nakagawa, Y. E., Tashiro, M., Abe, K., Yoshida, A., Yamaoka, K., Nakazawa, K., Murakami, T., Yonetoku, D., Kawai, N., Nousek, J., Ishikawa, N., Urata, Y., Onda, K., Tamagawa, T., Suzuki, M., Kuwahara, M., Takahashi, T., Yamauchi, M., Sonoda, E., ... Kelley, R. L. (2006). Detailed analyses of GRB 060105 X-ray afterglow observed by Suzaku. Nuovo Cimento della Societa Italiana di Fisica B, 121(12), 1531-1533. https://doi.org/10.1393/ncb/i2007-10316-8

@article{8635333b32264fda8e8b4858c611b6fc,

title = "Detailed analyses of GRB 060105 X-ray afterglow observed by Suzaku",

abstract = "GRB 060105 was detected with the BAT instrument on-board Swift. The Suzaku follow-up observation started just 5.3 hours after the trigger with the XIS and HXD instruments. The XIS detected an uncatalogued fading source and its position was consistent with that previously reported by Swift XRT. We performed the spectral analyses using the data derived from Suzaku XIS and Swift XRT, and found that the spectrum of X-ray afterglow was well reproduced by the absorbed power law model. The best-fit spectral index and absorption are β = 2.15 ± 0.03 and NH = (3.74 ± 0.03) × 1021 cm-2, respectively. The observed decay curve by Suzaku XIS is fully consistent with the Swift XRT result. The Suzaku and Swift observations imply the possibility of the jet break at t = 3500 s, and the brightening of afterglow around t = 40000 s likely due to the refreshed shock. We see neither significant spectral evolution during the decay, nor evidence of emission line feature.",

author = "Nakagawa, {Y. E.} and M. Tashiro and K. Abe and A. Yoshida and K. Yamaoka and K. Nakazawa and T. Murakami and D. Yonetoku and N. Kawai and J. Nousek and N. Ishikawa and Y. Urata and K. Onda and T. Tamagawa and M. Suzuki and M. Kuwahara and T. Takahashi and M. Yamauchi and E. Sonoda and S. Maeno and K. Kinugasa and T. Kohmura and K. Torii and Y. Ueda and K. Kubota and K. Sugiyasu and H. Kodaira and S. Okuno and S. Yoshinari and T. Shimokawabe and T. Ishimura and Ricker, {G. R.} and Reeves, {J. N.} and L. Angelini and Kaluzienski, {L. J.} and Kelley, {R. L.}",

year = "2006",

month = dec,

doi = "10.1393/ncb/i2007-10316-8",

language = "English (US)",

volume = "121",

pages = "1531--1533",

journal = "Nuovo Cimento della Societa Italiana di Fisica B",

issn = "1594-9982",

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Nakagawa, YE, Tashiro, M, Abe, K, Yoshida, A, Yamaoka, K, Nakazawa, K, Murakami, T, Yonetoku, D, Kawai, N, Nousek, J, Ishikawa, N, Urata, Y, Onda, K, Tamagawa, T, Suzuki, M, Kuwahara, M, Takahashi, T, Yamauchi, M, Sonoda, E, Maeno, S, Kinugasa, K, Kohmura, T, Torii, K, Ueda, Y, Kubota, K, Sugiyasu, K, Kodaira, H, Okuno, S, Yoshinari, S, Shimokawabe, T, Ishimura, T, Ricker, GR, Reeves, JN, Angelini, L, Kaluzienski, LJ & Kelley, RL 2006, 'Detailed analyses of GRB 060105 X-ray afterglow observed by Suzaku', Nuovo Cimento della Societa Italiana di Fisica B, vol. 121, no. 12, pp. 1531-1533. https://doi.org/10.1393/ncb/i2007-10316-8

TY - JOUR

T1 - Detailed analyses of GRB 060105 X-ray afterglow observed by Suzaku

AU - Nakagawa, Y. E.

AU - Tashiro, M.

AU - Abe, K.

AU - Yoshida, A.

AU - Yamaoka, K.

AU - Nakazawa, K.

AU - Murakami, T.

AU - Yonetoku, D.

AU - Kawai, N.

AU - Nousek, J.

AU - Ishikawa, N.

AU - Urata, Y.

AU - Onda, K.

AU - Tamagawa, T.

AU - Suzuki, M.

AU - Kuwahara, M.

AU - Takahashi, T.

AU - Yamauchi, M.

AU - Sonoda, E.

AU - Maeno, S.

AU - Kinugasa, K.

AU - Kohmura, T.

AU - Torii, K.

AU - Ueda, Y.

AU - Kubota, K.

AU - Sugiyasu, K.

AU - Kodaira, H.

AU - Okuno, S.

AU - Yoshinari, S.

AU - Shimokawabe, T.

AU - Ishimura, T.

AU - Ricker, G. R.

AU - Reeves, J. N.

AU - Angelini, L.

AU - Kaluzienski, L. J.

AU - Kelley, R. L.

PY - 2006/12

Y1 - 2006/12

N2 - GRB 060105 was detected with the BAT instrument on-board Swift. The Suzaku follow-up observation started just 5.3 hours after the trigger with the XIS and HXD instruments. The XIS detected an uncatalogued fading source and its position was consistent with that previously reported by Swift XRT. We performed the spectral analyses using the data derived from Suzaku XIS and Swift XRT, and found that the spectrum of X-ray afterglow was well reproduced by the absorbed power law model. The best-fit spectral index and absorption are β = 2.15 ± 0.03 and NH = (3.74 ± 0.03) × 1021 cm-2, respectively. The observed decay curve by Suzaku XIS is fully consistent with the Swift XRT result. The Suzaku and Swift observations imply the possibility of the jet break at t = 3500 s, and the brightening of afterglow around t = 40000 s likely due to the refreshed shock. We see neither significant spectral evolution during the decay, nor evidence of emission line feature.

AB - GRB 060105 was detected with the BAT instrument on-board Swift. The Suzaku follow-up observation started just 5.3 hours after the trigger with the XIS and HXD instruments. The XIS detected an uncatalogued fading source and its position was consistent with that previously reported by Swift XRT. We performed the spectral analyses using the data derived from Suzaku XIS and Swift XRT, and found that the spectrum of X-ray afterglow was well reproduced by the absorbed power law model. The best-fit spectral index and absorption are β = 2.15 ± 0.03 and NH = (3.74 ± 0.03) × 1021 cm-2, respectively. The observed decay curve by Suzaku XIS is fully consistent with the Swift XRT result. The Suzaku and Swift observations imply the possibility of the jet break at t = 3500 s, and the brightening of afterglow around t = 40000 s likely due to the refreshed shock. We see neither significant spectral evolution during the decay, nor evidence of emission line feature.

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JO - Nuovo Cimento della Societa Italiana di Fisica B

JF - Nuovo Cimento della Societa Italiana di Fisica B

SN - 1594-9982

IS - 12

ER -

Detailed analyses of GRB 060105 X-ray afterglow observed by Suzaku

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