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

Research output: Contribution to journalArticle

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.

Original languageEnglish (US)
Pages (from-to)1531-1533
Number of pages3
JournalNuovo Cimento della Societa Italiana di Fisica B
Volume121
Issue number12
DOIs
StatePublished - Dec 1 2006

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afterglows
decay
fading
x rays
actuators
shock
curves

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Nakagawa, Y. E., Tashiro, M., Abe, K., Yoshida, A., Yamaoka, K., Nakazawa, K., ... 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
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. ; 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, G. R. ; Reeves, J. N. ; Angelini, L. ; Kaluzienski, L. J. ; Kelley, R. L. / Detailed analyses of GRB 060105 X-ray afterglow observed by Suzaku. In: Nuovo Cimento della Societa Italiana di Fisica B. 2006 ; Vol. 121, No. 12. pp. 1531-1533.
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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 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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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

Detailed analyses of GRB 060105 X-ray afterglow observed by Suzaku. / 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.; 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, G. R.; Reeves, J. N.; Angelini, L.; Kaluzienski, L. J.; Kelley, R. L.

In: Nuovo Cimento della Societa Italiana di Fisica B, Vol. 121, No. 12, 01.12.2006, p. 1531-1533.

Research output: Contribution to journalArticle

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 - 2006/12/1

Y1 - 2006/12/1

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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U2 - 10.1393/ncb/i2007-10316-8

DO - 10.1393/ncb/i2007-10316-8

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EP - 1533

JO - Nuovo Cimento della Societa Italiana di Fisica B

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Nakagawa YE, Tashiro M, Abe K, Yoshida A, Yamaoka K, Nakazawa K et al. Detailed analyses of GRB 060105 X-ray afterglow observed by Suzaku. Nuovo Cimento della Societa Italiana di Fisica B. 2006 Dec 1;121(12):1531-1533. https://doi.org/10.1393/ncb/i2007-10316-8