Yuji Urata et al 2009 ApJ 706 L183 doi:10.1088/0004-637X/706/1/L183
Yuji Urata1,2,3, Kuiyun Huang3, Myungshin Im4, Induk Lee1,4, Jinsong Deng5, WingHuen Ip1, Hans Krimm6,7, Xin Liping5, Masanori Ohno8, Yulei Qiu5, Satoshi Sugita9,10, Makoto Tashiro2, Jianyan Wei5, Kazutaka Yamaoka10 and Weikang Zheng5
Show affiliationsWe 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 E src peak – E iso and E src peak – E γ relations, whose studies have been in stagnation due to the lack of the combined estimation of E src peak 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 E src peak of 86.5+6.4 –6.3 keV and E iso 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 E src peak – E iso but violates the E src peak – E γ and E iso – E src peak – t src jet at more than the 3σ level.
Issue 1 (2009 November 20)
Received 2009 June 2, accepted for publication 2009 October 21
Published 2009 November 5
Yuji Urata et al 2009 ApJ 706 L183
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