Optical shallow decay and re-brightening phase of early afterglow

Y. Urata, K. Y. Huang, W. H. Ip, J. Hu, Y. Qiu, P. H. Kuo, Y. H. Li, T. Tamagawa, M. Tashiro, K. Onda, K. Abe, K. Ioka, M. Kuwahara, W. K. Zheng, M. Zhai, J. Y. Wei, J. S. Deng, N. Kodaka, K. Masuno

研究成果: 雜誌貢獻期刊論文同行評審


Utilizing East Asian GRB Follow-up Observation Network (EAFON), we have obtained 3 major results; 1) first long-term monitoring of short GRB afterglow from ∼ 0.1 days after the burst, 2) multi band monitoring of early optical shallow decay and re-brightening phase, 3) catch about 30 high-redshift GRB candidates. In this paper, we present shallow decay phase and re-brightening phase of early optical afterglow. Our results imply that these phases are unlikely to be caused by the variable external density model. Overall 1 day light curve behavior may be explained by Patchy shell model and/or different emission region such as 2 jets model rather than to be described by refreshed shock scenario.

頁(從 - 到)1601-1603
期刊Nuovo Cimento della Societa Italiana di Fisica B
出版狀態已出版 - 12月 2006


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