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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク GRB 070714B ： ウィキペディア英語版 GRB 070714B GRB 070714B was a gamma-ray burst (GRB) that was detected on 14 July 2007 at 04:59 UTC. A gamma-ray burst is a highly luminous flash associated with an explosion in a distant galaxy and producing gamma rays, the most energetic form of electromagnetic radiation, and often followed by a longer-lived "afterglow" emitted at longer wavelengths (X-ray, ultraviolet, optical, infrared, and radio). At a total duration of only 3 seconds, GRB 070714B was classified as a short burst, a subclass of GRBs which is believed to be caused by the merger of two neutron stars. GRB 070714B had a redshift of z = 0.92, corresponding to a distance of about 7.4 billion light years, making it the most distant short burst detected as of 2007. == Observations == GRB 070714B was detected by the Swift Gamma-Ray Burst Mission satellite on 14 July 2007 at 04:59 UTC. The burst lasted only 3 seconds and reached its peak intensity 0.2 seconds after the initial detection. The optical afterglow was detected by the Liverpool Telescope and the William Herschel Telescope. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「GRB 070714B」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.