Earliest Detection of the Optical Afterglow of GRB 030329 and Its Variability(Poster)
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概要
- 論文の詳細を見る
We report an earliest detection of an optical afterglow of GRB 030329 at the Tokyo Institute of Technology (Tokyo, Japan). Our observation started 67 minutes after the burst and continued for two succeeding nights. Combining our data with those reported in GCN, we find that the early afterglow light curve of the first half day is described by a broken power-law (∝t^<-α>) function with indices α_1=0.88±0.01 (0.047 days < t < t_<b1>), α_2=1.18±0.01 (t_<b1> < t < t_<b2>), and α_3=1.81±0.04 (t_<b2> < t < 1.2 days), where t_<b1>〜0.26 days and t_<b2>〜0.54 days, respectively. The change of the power-law index at the first break at t〜0.26 days is consistent with that expected from a "cooling break".
- 理論物理学刊行会の論文
- 2004-11-15
著者
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Suzuki Motoko
Department Of Physics Ochanomizu University
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Kataoka Jun
Department Of Physics Tokyo Institute Of Technology
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SATO Rie
Institute of Space and Astronautical Science/JAXA
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Yamaoka H
Department Of Polymer Chemistry Kyoto University
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Yanagisawa K
Okayama Astrophysical Observatory National Astronomical Observatory
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Yanagisawa Kenshi
Department Of Physics Tokyo Institute Of Technology
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YATSU Youichi
Department of Physics, Tokyo Institute of Technology
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Yatsu Youichi
Department Of Physics Tokyo Institute Of Technology
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Sato Rie
Department Of Particle And Astrophysics Nagoya University
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Yamaoka Hitoshi
Department Of Materials Science The University Of Shiga Prefecture
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Kawai Nobuyuki
Department Of Medical Physics Faculty Of Medicine Kagawa University
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Takagi Ryo
Department Of Electrical Engineering Kogakuin University
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Yamaoka Hitoshi
Faculty of Science, Kagoshima University
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YAMAOKA Hitoshi
Department of Physics, Tokyo Institute of Technology
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SATO Rie
Department of Physics, Tokyo Institute of Technology
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TAKAGI Ryo
Department of Physics, Tokyo Institute of Technology
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SUZUKI Motoko
Department of Physics, Tokyo Institute of Technology
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