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arXiv 0804.2803astro-ph
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短伽玛暴和正则伽玛暴

Short and canonical GRBs

Carlo Luciano Bianco, Maria Grazia Bernardini, Letizia Caito, Maria Giovanna Dainotti, Roberto Guida, Remo Ruffini

摘要:

在伽马射线暴(GRB)的“火壳”模型中,我们定义了一个“正则GRB”光变曲线,其中包含两个截然不同的分量:当产生这种现象的电子-正电子等离子体的光学厚火壳达到透明时发出的P-GRB,以及由于剩余的光学薄火壳与环形暴介质(CBM)碰撞而发出的余辉。我们概述了我们的“典型的伽玛暴”的情况下,特别强调“真正的”和“假”短伽玛暴之间的歧视。

英文摘要:

Within the "fireshell" model for the Gamma-Ray Bursts (GRBs) we define a "canonical GRB" light curve with two sharply different components: the Proper-GRB (P-GRB), emitted when the optically thick fireshell of electron-positron plasma originating the phenomenon reaches transparency, and the afterglow, emitted due to the collision between the remaining optically thin fireshell and the CircumBurst Medium (CBM). We outline our "canonical GRB" scenario, with a special emphasis on the discrimination between "genuine" and "fake" short GRBs.

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