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Implications for the cosmic re-ionization from the optical afterglow spectrum of GRB050904 at z = 6.3

Published online by Cambridge University Press:  01 August 2006

Tomonori Totani ,
Nobuyuki Kawai ,
George Kosugi ,
Kentaro Aoki ,
Toru Yamada ,
Masanori Iye ,
Kouji Ohta  and
Takashi Hattori
Tomonori Totani
Affiliation:
Department of Astronomy, Kyoto University, Sakyo-ku, Kyoto 606-8502, Japan email: totani@th.nao.ac.jp
Nobuyuki Kawai
Affiliation:
Department of Physics, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8551, Japan
George Kosugi
Affiliation:
National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan
Kentaro Aoki
Affiliation:
Subaru Telescope, National Astronomical Observatory of Japan, Hilo, HI 96720, USA
Toru Yamada
Affiliation:
National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan
Masanori Iye
Affiliation:
National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka, Tokyo 181-8588, Japan
Kouji Ohta
Affiliation:
Department of Astronomy, Kyoto University, Sakyo-ku, Kyoto 606-8502, Japan email: totani@th.nao.ac.jp
Takashi Hattori
Affiliation:
Subaru Telescope, National Astronomical Observatory of Japan, Hilo, HI 96720, USA
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Abstract

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We discuss the implications for the cosmic re-ionization from the optical afterglow spectrum of GRB050904 at z = 6.3

Keywords

cosmology: observationscosmology: theoryearly Universe
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Highlights of Astronomy 14: Highlights of Astronomy , August 2006 , pp. 265
Copyright
Copyright © International Astronomical Union 2007

References

Kawai, N., Kawai, N., Kosugi, G., Aoki, K., Yamada, T., Totani, T., Ohta, K., Iye, M., Hattori, T., Aoki, W., Furusawa, H., et al. 2006, Nature, 440, 184CrossRefGoogle Scholar
Totani, T., Kawai, N., Kosugi, G., Aoki, K., Yamada, T., Iye, M., Ohta, K., & Hattori, T. 2006, PASJ, 58, 485CrossRefGoogle Scholar