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Time-Evolution of Peak Energy and Luminosity Relation within Pulses for GRB 061007: Probing Fireball Dynamics
https://sucra.repo.nii.ac.jp/records/13432
https://sucra.repo.nii.ac.jp/records/13432e1d62b83-7ff0-44f5-bc56-4815033d35c8
名前 / ファイル | ライセンス | アクション |
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A1002888.pdf (409.9 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2009-06-18 | |||||
タイトル | ||||||
タイトル | Time-Evolution of Peak Energy and Luminosity Relation within Pulses for GRB 061007: Probing Fireball Dynamics | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | gamma rays: burst | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | gamma rays: observations | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | gamma-ray bursts | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | all-sky monitor | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | spectral hardness | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | photospheres | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | intensity | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | catalog | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Ohno, Masanori
× Ohno, Masanori× Ioka, Kunihito× Yamaoka, Kazutaka× 田代, 信× Fukazawa, Yasushi× Nakagawa, Yujin E. |
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著者 ローマ字 | ||||||
Ohno, Masanori | ||||||
著者 ローマ字 | ||||||
Ioka, Kunihito | ||||||
著者 ローマ字 | ||||||
Yamaoka, Kazutaka | ||||||
著者 ローマ字 | ||||||
Tashiro, Makoto | ||||||
著者 ローマ字 | ||||||
Fukazawa, Yasushi | ||||||
著者 ローマ字 | ||||||
Nakagawa, Yujin E. | ||||||
著者 所属 | ||||||
著者 所属 | ||||||
著者 所属 | ||||||
著者 所属 | ||||||
埼玉大学大学院理工学研究科物質科学部門 | ||||||
著者 所属(別言語) | ||||||
著者 所属(別言語) | ||||||
著者 所属(別言語) | ||||||
著者 所属(別言語) | ||||||
Department of Physics, Saitama University | ||||||
書誌情報 |
Publications of the Astronomical Society of Japan 巻 61, 号 2, p. 201-211, 発行日 2009 |
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年月次 | ||||||
2009 | ||||||
出版者名 | ||||||
出版者 | Astronomical Society of Japan | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00046264 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We performed a time-resolved spectral analysis of a bright, long gamma-ray burst GRB 061007 using Suzaku/WAM and Swift/BAT. Because of the large effective area of the WAM, we can investigate the time evolution of the spectral peak energy E-peak(t) and the luminosity L-iso(t) with 1-s time resolution, and we find that the time-resolved pulses also satisfy the E-peak-L-iso relation, which was found for the time-averaged spectra of other bursts, suggesting the same physical conditions in each pulse. Furthermore, the initial rising phase of each pulse could be an outlier of this relation with higher E-peak(t) Value by a factor of 2. This difference could Suggest that the fireball radius expands by a factor of 2-4 and / or bulk Lorentz factor of the fireball is decelerated by a factor of similar to 4 during the initial phase, providing a new probe of fireball dynamics in real time. | |||||
版 | ||||||
[著者版] | ||||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
資源タイプ | ||||||
内容記述タイプ | Other | |||||
内容記述 | text | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf | |||||
作成日 | ||||||
日付 | 2009-06-18 | |||||
日付タイプ | Created | |||||
アイテムID | ||||||
A1002888 |