Swift GRB GRB071010B: Outlier of the Esrcpeak - Eγ and Eiso - Esrcpeak - tsrcjet correlations

Yuji Urata, Kuiyun Huang, Myungshin Im, Induk Lee, Jinsong Deng, Winghuen Ip, Hans Krimm, Xin Liping, Masanori Ohno, Yulei Qiu, Satoshi Sugita, Makoto Tashiro, Jianyan Wei, Kazutaka Yamaoka, Weikang Zheng

研究成果: 雜誌貢獻期刊論文同行評審

16 引文 斯高帕斯(Scopus)

摘要

We present multi-band results for GRB071010B based on Swift, Suzaku, and ground-based optical observations. This burst is an ideal target to evaluate the robustness of the Esrcpeak - Eiso and E srcpeak - Eγ relations, whose studies have been in stagnation due to the lack of the combined estimation of E srcpeak and long-term optical monitoring. The joint prompt spectral fitting using Swift/Burst Alert Telescope and Suzaku/Wide-band All-sky Monitor data yielded the spectral peak energy as Esrcpeak of 86.5+6.4-6.3 keV and Eiso of 2.25 +0.19-0.16 × 1052 erg with z = 0.947. The optical afterglow light curve is well fitted by a simple power law with temporal index α = -0.60 0.02. The lower limit of temporal break in the optical light curve is 9.8 days. Our multi-wavelength analysis reveals that GRB071010B follows Esrcpeak - Eiso but violates the Esrcpeak - Eγ and Eiso - Esrcpeak - tsrcjet at more than the 3σ level.

原文???core.languages.en_GB???
頁(從 - 到)L183-L187
期刊Astrophysical Journal
706
發行號1 PART 2
DOIs
出版狀態已出版 - 2009

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