Multicolor shallow decay and chromatic breaks in the GRB 050319 optical afterglow

K. Y. Huang; Y. Urata; P. H. Kuo; W. H. Ip; K. Ioka; T. Aoki; C. W. Chen; W. P. Chen; M. Isogai; H. C. Lin; K. Makishima; H. Mito; T. Miyata; Y. Nakada; S. Nishiura; K. Onda; Y. Qiu; T. Soyano; T. Tamagawa; K. Tarusawa; M. Tashiro; T. Yoshioka

doi:10.1086/510737

Multicolor shallow decay and chromatic breaks in the GRB 050319 optical afterglow

K. Y. Huang, Y. Urata, P. H. Kuo, W. H. Ip, K. Ioka, T. Aoki, C. W. Chen, W. P. Chen, M. Isogai, H. C. Lin, K. Makishima, H. Mito, T. Miyata, Y. Nakada, S. Nishiura, K. Onda, Y. Qiu, T. Soyano, T. Tamagawa, K. TarusawaM. Tashiro, T. Yoshioka

天文研究所

研究成果: 雜誌貢獻 › 期刊論文 › 同行評審

36 引文斯高帕斯（Scopus）

摘要

Multiwavelength observations of the optical afterglow of GRB 050319 were performed from 1.31 to 9.92 hr after the burst. Our R-band light curves, combined with other published data, can be described by the smooth broken power-law function, with α₁ = -0.84 ± 0.02 to α₂ = -0.48 ± 0.03, 0.04 days after the gamma-ray burst. The optical light curves are characterized by shallow decays - as was also observed in the X-rays - which may have a similar origin, related to energy injection. However, our observations indicate that there is still a puzzle concerning the chromatic breaks in the R-band light curve (at 0.04 days) and the X-ray light curve (at 0.004 days) that remains to be solved.

原文	???core.languages.en_GB???
頁（從 - 到）	L25-L28
期刊	Astrophysical Journal
卷	654
發行號	1 II
DOIs	https://doi.org/10.1086/510737
出版狀態	已出版 - 1 1月 2007

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10.1086/510737

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Huang, K. Y., Urata, Y., Kuo, P. H., Ip, W. H., Ioka, K., Aoki, T., Chen, C. W., Chen, W. P., Isogai, M., Lin, H. C., Makishima, K., Mito, H., Miyata, T., Nakada, Y., Nishiura, S., Onda, K., Qiu, Y., Soyano, T., Tamagawa, T., ... Yoshioka, T. (2007). Multicolor shallow decay and chromatic breaks in the GRB 050319 optical afterglow. Astrophysical Journal, 654(1 II), L25-L28. https://doi.org/10.1086/510737

Huang, K. Y. ; Urata, Y. ; Kuo, P. H. ; Ip, W. H. ; Ioka, K. ; Aoki, T. ; Chen, C. W. ; Chen, W. P. ; Isogai, M. ; Lin, H. C. ; Makishima, K. ; Mito, H. ; Miyata, T. ; Nakada, Y. ; Nishiura, S. ; Onda, K. ; Qiu, Y. ; Soyano, T. ; Tamagawa, T. ; Tarusawa, K. ; Tashiro, M. ; Yoshioka, T. / Multicolor shallow decay and chromatic breaks in the GRB 050319 optical afterglow. 於: Astrophysical Journal. 2007 ; 卷 654, 編號 1 II. 頁 L25-L28.

@article{cd63afd305dd46bd9928aff093894df8,

title = "Multicolor shallow decay and chromatic breaks in the GRB 050319 optical afterglow",

abstract = "Multiwavelength observations of the optical afterglow of GRB 050319 were performed from 1.31 to 9.92 hr after the burst. Our R-band light curves, combined with other published data, can be described by the smooth broken power-law function, with α1 = -0.84 ± 0.02 to α2 = -0.48 ± 0.03, 0.04 days after the gamma-ray burst. The optical light curves are characterized by shallow decays - as was also observed in the X-rays - which may have a similar origin, related to energy injection. However, our observations indicate that there is still a puzzle concerning the chromatic breaks in the R-band light curve (at 0.04 days) and the X-ray light curve (at 0.004 days) that remains to be solved.",

keywords = "Gamma rays: bursts",

author = "Huang, {K. Y.} and Y. Urata and Kuo, {P. H.} and Ip, {W. H.} and K. Ioka and T. Aoki and Chen, {C. W.} and Chen, {W. P.} and M. Isogai and Lin, {H. C.} and K. Makishima and H. Mito and T. Miyata and Y. Nakada and S. Nishiura and K. Onda and Y. Qiu and T. Soyano and T. Tamagawa and K. Tarusawa and M. Tashiro and T. Yoshioka",

year = "2007",

month = jan,

day = "1",

doi = "10.1086/510737",

language = "???core.languages.en_GB???",

volume = "654",

pages = "L25--L28",

journal = "Astrophysical Journal",

issn = "0004-637X",

number = "1 II",

}

Huang, KY, Urata, Y, Kuo, PH, Ip, WH, Ioka, K, Aoki, T, Chen, CW, Chen, WP, Isogai, M, Lin, HC, Makishima, K, Mito, H, Miyata, T, Nakada, Y, Nishiura, S, Onda, K, Qiu, Y, Soyano, T, Tamagawa, T, Tarusawa, K, Tashiro, M & Yoshioka, T 2007, 'Multicolor shallow decay and chromatic breaks in the GRB 050319 optical afterglow', Astrophysical Journal, 卷 654, 編號 1 II, 頁 L25-L28. https://doi.org/10.1086/510737

Multicolor shallow decay and chromatic breaks in the GRB 050319 optical afterglow. / Huang, K. Y.; Urata, Y.; Kuo, P. H.; Ip, W. H.; Ioka, K.; Aoki, T.; Chen, C. W.; Chen, W. P.; Isogai, M.; Lin, H. C.; Makishima, K.; Mito, H.; Miyata, T.; Nakada, Y.; Nishiura, S.; Onda, K.; Qiu, Y.; Soyano, T.; Tamagawa, T.; Tarusawa, K.; Tashiro, M.; Yoshioka, T.

於: Astrophysical Journal, 卷 654, 編號 1 II, 01.01.2007, p. L25-L28.

研究成果: 雜誌貢獻 › 期刊論文 › 同行評審

TY - JOUR

T1 - Multicolor shallow decay and chromatic breaks in the GRB 050319 optical afterglow

AU - Huang, K. Y.

AU - Urata, Y.

AU - Kuo, P. H.

AU - Ip, W. H.

AU - Ioka, K.

AU - Aoki, T.

AU - Chen, C. W.

AU - Chen, W. P.

AU - Isogai, M.

AU - Lin, H. C.

AU - Makishima, K.

AU - Mito, H.

AU - Miyata, T.

AU - Nakada, Y.

AU - Nishiura, S.

AU - Onda, K.

AU - Qiu, Y.

AU - Soyano, T.

AU - Tamagawa, T.

AU - Tarusawa, K.

AU - Tashiro, M.

AU - Yoshioka, T.

PY - 2007/1/1

Y1 - 2007/1/1

N2 - Multiwavelength observations of the optical afterglow of GRB 050319 were performed from 1.31 to 9.92 hr after the burst. Our R-band light curves, combined with other published data, can be described by the smooth broken power-law function, with α1 = -0.84 ± 0.02 to α2 = -0.48 ± 0.03, 0.04 days after the gamma-ray burst. The optical light curves are characterized by shallow decays - as was also observed in the X-rays - which may have a similar origin, related to energy injection. However, our observations indicate that there is still a puzzle concerning the chromatic breaks in the R-band light curve (at 0.04 days) and the X-ray light curve (at 0.004 days) that remains to be solved.

AB - Multiwavelength observations of the optical afterglow of GRB 050319 were performed from 1.31 to 9.92 hr after the burst. Our R-band light curves, combined with other published data, can be described by the smooth broken power-law function, with α1 = -0.84 ± 0.02 to α2 = -0.48 ± 0.03, 0.04 days after the gamma-ray burst. The optical light curves are characterized by shallow decays - as was also observed in the X-rays - which may have a similar origin, related to energy injection. However, our observations indicate that there is still a puzzle concerning the chromatic breaks in the R-band light curve (at 0.04 days) and the X-ray light curve (at 0.004 days) that remains to be solved.

KW - Gamma rays: bursts

UR - http://www.scopus.com/inward/record.url?scp=33846465442&partnerID=8YFLogxK

U2 - 10.1086/510737

DO - 10.1086/510737

M3 - 期刊論文

AN - SCOPUS:33846465442

VL - 654

SP - L25-L28

JO - Astrophysical Journal

JF - Astrophysical Journal

SN - 0004-637X

IS - 1 II

ER -

Multicolor shallow decay and chromatic breaks in the GRB 050319 optical afterglow

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