「すざく」衛星搭載広帯域全天モニタで検出されたガンマ線バーストのカタログの構築

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  • Construction of gamma-ray bursts catalog detected by Wide-band All-sky Monitor on board Suzaku satellite
  • スザク エイセイ トウサイコウタイイキ ゼン テン モニタ デ ケンシュツ サレタ ガンマセン バースト ノ カタログ ノ コウチク

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We are constructing the first Suzaku Wide-band All-sky Monitor(WAM) catalog of gamma-ray bursts(GRBs). In this catalog, we are going to include about 500 bursts detected by WAM between 2005 August 7 and 2008 December 31. This catalog will be burst trigger times, locations, durations, fluence, peak flux, and time-averaged spectral parameters for each GRB whose location was determined by other satellites. In this paper, we introduce 72 GRBs detected by 2006 October 28. Our result of the duration distribution consistent with the one using BATSE 4B catalog whose distribution is separated at about 2 seconds. The results of the photon index distribution and the E_peak distribution also show the same trend as BATSE 4B catalog.

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