Observation of GRB 051022 detected by HETE-2

Y. E. Nakagawa; A. Yoshida; S. Sugita; K. Tanaka; N. Ishikawa; T. Tamagawa; M. Suzuki; Y. Shirasaki; N. Kawai; M. Matsuoka; J. L. Atteia; A. Pelangeon; R. Vanderspek; G. B. Crew; J. S. Villasenor; N. Butler; J. Doty; G. R. Ricker; G. Pizzichini; T. Q. Donaghy; D. Q. Lamb; C. Graziani; J. G. Jernigan; T. Sakamoto; J. F. Olive; M. Boer; E. E. Fenimore; M. Galassi; S. E. Woosley; M. Yamauchi; K. Takagishi; I. Hatsukade

doi:10.1393/ncb/i2007-10315-9

Observation of GRB 051022 detected by HETE-2

Y. E. Nakagawa, A. Yoshida, S. Sugita, K. Tanaka, N. Ishikawa, T. Tamagawa, M. Suzuki, Y. Shirasaki, N. Kawai, M. Matsuoka, J. L. Atteia, A. Pelangeon, R. Vanderspek, G. B. Crew, J. S. Villasenor, N. Butler, J. Doty, G. R. Ricker, G. Pizzichini, T. Q. DonaghyD. Q. Lamb, C. Graziani, J. G. Jernigan, T. Sakamoto, J. F. Olive, M. Boer, E. E. Fenimore, M. Galassi, S. E. Woosley, M. Yamauchi, K. Takagishi, I. Hatsukade

Research output: Contribution to journal › Article › peer-review

Abstract

An "optically dark" burst GRB 051022 was detected by GRB 051022 was detected by HETE-2. The detections of candidate X-ray and radio afterglows were reported, whereas no optical afterglow was found in spite of quick follow-up observations. The optical spectroscopic observations of the host galaxy revealed the redshift z = 0.8. Using the data derived by HETE-2 observation of the prompt emission, we found the constant absorption N _H = 8.8_-2.9^+3.1 × 10²² cm ^-2 and the visual extinction A_V = 49_-16 ⁺¹⁷ mag in the host galaxy. If this is the case, no detection of any optical transient would be quite reasonable. The absorption derived by the Swift XRT observations of the afterglow is fully consistent with those obtained from the early HETE-2 observation. Our analysis implies an interpretation that the absorbing medium may be outside the external shock at R ≥ 10¹⁶ cm, which could be a dusty molecular cloud.

Original language	English (US)
Pages (from-to)	1535-1537
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/i2007-10315-9
State	Published - Dec 2006
Externally published	Yes

ASJC Scopus subject areas

General Physics and Astronomy

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Nakagawa, Y. E., Yoshida, A., Sugita, S., Tanaka, K., Ishikawa, N., Tamagawa, T., Suzuki, M., Shirasaki, Y., Kawai, N., Matsuoka, M., Atteia, J. L., Pelangeon, A., Vanderspek, R., Crew, G. B., Villasenor, J. S., Butler, N., Doty, J., Ricker, G. R., Pizzichini, G., ... Hatsukade, I. (2006). Observation of GRB 051022 detected by HETE-2. Nuovo Cimento della Societa Italiana di Fisica B, 121(12), 1535-1537. https://doi.org/10.1393/ncb/i2007-10315-9

Nakagawa, YE, Yoshida, A, Sugita, S, Tanaka, K, Ishikawa, N, Tamagawa, T, Suzuki, M, Shirasaki, Y, Kawai, N, Matsuoka, M, Atteia, JL, Pelangeon, A, Vanderspek, R, Crew, GB, Villasenor, JS, Butler, N, Doty, J, Ricker, GR, Pizzichini, G, Donaghy, TQ, Lamb, DQ, Graziani, C, Jernigan, JG, Sakamoto, T, Olive, JF, Boer, M, Fenimore, EE, Galassi, M, Woosley, SE, Yamauchi, M, Takagishi, K & Hatsukade, I 2006, 'Observation of GRB 051022 detected by HETE-2', Nuovo Cimento della Societa Italiana di Fisica B, vol. 121, no. 12, pp. 1535-1537. https://doi.org/10.1393/ncb/i2007-10315-9

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title = "Observation of GRB 051022 detected by HETE-2",

abstract = "An {"}optically dark{"} burst GRB 051022 was detected by GRB 051022 was detected by HETE-2. The detections of candidate X-ray and radio afterglows were reported, whereas no optical afterglow was found in spite of quick follow-up observations. The optical spectroscopic observations of the host galaxy revealed the redshift z = 0.8. Using the data derived by HETE-2 observation of the prompt emission, we found the constant absorption N H = 8.8-2.9+3.1 × 1022 cm -2 and the visual extinction AV = 49-16 +17 mag in the host galaxy. If this is the case, no detection of any optical transient would be quite reasonable. The absorption derived by the Swift XRT observations of the afterglow is fully consistent with those obtained from the early HETE-2 observation. Our analysis implies an interpretation that the absorbing medium may be outside the external shock at R ≥ 1016 cm, which could be a dusty molecular cloud.",

author = "Nakagawa, {Y. E.} and A. Yoshida and S. Sugita and K. Tanaka and N. Ishikawa and T. Tamagawa and M. Suzuki and Y. Shirasaki and N. Kawai and M. Matsuoka and Atteia, {J. L.} and A. Pelangeon and R. Vanderspek and Crew, {G. B.} and Villasenor, {J. S.} and N. Butler and J. Doty and Ricker, {G. R.} and G. Pizzichini and Donaghy, {T. Q.} and Lamb, {D. Q.} and C. Graziani and Jernigan, {J. G.} and T. Sakamoto and Olive, {J. F.} and M. Boer and Fenimore, {E. E.} and M. Galassi and Woosley, {S. E.} and M. Yamauchi and K. Takagishi and I. Hatsukade",

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doi = "10.1393/ncb/i2007-10315-9",

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AU - Nakagawa, Y. E.

AU - Yoshida, A.

AU - Sugita, S.

AU - Tanaka, K.

AU - Ishikawa, N.

AU - Tamagawa, T.

AU - Suzuki, M.

AU - Shirasaki, Y.

AU - Kawai, N.

AU - Matsuoka, M.

AU - Atteia, J. L.

AU - Pelangeon, A.

AU - Vanderspek, R.

AU - Crew, G. B.

AU - Villasenor, J. S.

AU - Butler, N.

AU - Doty, J.

AU - Ricker, G. R.

AU - Pizzichini, G.

AU - Donaghy, T. Q.

AU - Lamb, D. Q.

AU - Graziani, C.

AU - Jernigan, J. G.

AU - Sakamoto, T.

AU - Olive, J. F.

AU - Boer, M.

AU - Fenimore, E. E.

AU - Galassi, M.

AU - Woosley, S. E.

AU - Yamauchi, M.

AU - Takagishi, K.

AU - Hatsukade, I.

PY - 2006/12

Y1 - 2006/12

N2 - An "optically dark" burst GRB 051022 was detected by GRB 051022 was detected by HETE-2. The detections of candidate X-ray and radio afterglows were reported, whereas no optical afterglow was found in spite of quick follow-up observations. The optical spectroscopic observations of the host galaxy revealed the redshift z = 0.8. Using the data derived by HETE-2 observation of the prompt emission, we found the constant absorption N H = 8.8-2.9+3.1 × 1022 cm -2 and the visual extinction AV = 49-16 +17 mag in the host galaxy. If this is the case, no detection of any optical transient would be quite reasonable. The absorption derived by the Swift XRT observations of the afterglow is fully consistent with those obtained from the early HETE-2 observation. Our analysis implies an interpretation that the absorbing medium may be outside the external shock at R ≥ 1016 cm, which could be a dusty molecular cloud.

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Observation of GRB 051022 detected by HETE-2

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