Peak Luminosity-Spectral Lag Relation

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概要

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• We compute the kinematical dependence of the peak luminosity, the pulse width and the spectral lag of the peak luminosity on the viewing angle θ_V of a jet. For appropriate model parameters we obtain the peak luminosity-spectral lag relation similar to the observed one including GRB980425. A bright (dim) peak with short (long) spectral lag corresponds to a jet with small (large) viewing angle. This suggests that the viewing angle of the jet might cause various relations in GRBs such as the peak luminosity-variability relation and the luminosity-width relation. Our model also suggests that X-ray rich GRBs (or X-ray flushes or Fast X-ray transients) are typical GRBs observed from large 9V with large spectral lag and low variability.

• 素粒子論グループ 素粒子研究編集部の論文
• 2002-05-20

著者

• 井岡 邦仁

  阪大

関連論文

• Possible Origin of Lognormal Distributions in Gamma-Ray Bursts(Black Holes, Gravitational Lens, and Gamma-Ray Bursts-Mini-Workshop with Prof. Narayan-)
• Peak Luminosity-Spectral Lag Relation
• Microlensing of collimated Gamma-Ray Burst afterglows

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