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arXiv 1104.0080astro-ph.HE
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伽马射线暴和SNe II-P中主暴之后的X射线和光学平台:对类似后期注入行为的暗示?

X-ray and Optical Plateau Following the Main Bursts in Gamma-Ray Bursts and SNe II-P: A hint to the similar late injection behavior?

X. H. Cui, R. X. Xu

摘要:

我们分析了伽马射线暴(GRB)的X射线余辉光变曲线和II型超新星(SNe IIP)的光学光变曲线中的发射平台,以研究它们是否具有相似的晚期能量注入行为。我们发现,这两种现象的迅速爆炸和高原之间的辐射热能量(或光度)的相关性是相似的。II型超新星位于伽玛暴的低能端。瞬发相E_{\rm expl}(或L_{\rm expl})和平台相E_{\rm plateau}(或L_{\rm plateau})的辐射热能量(或光度)具有E_{\rm expl} E_{\rm plateau} E_{\rm plateau} ^{0.73 \pm 0.14}和L_{\rm expl} \propto L_{\rm plateau} ^{ \sim 0.70}的关系。这些结果可以指示类似的后期能量注入行为,以再现在两种现象中观察到的平台的平台。

英文摘要:

We analyze the emission plateaus in the X-ray afterglow lightcurves of gamma-ray bursts (GRBs) and in the optical lightcurves of Type II superpernovae (SNe IIP) in order to study whether they have similar late energy injection behaviors. We show that correlations of bolometric energies (or luminosities) between the prompt explosions and the plateaus for the two phenomena are similar. The Type II SNe are in the low energy end of the GRBs. The bolometric energies (or luminosities) in prompt phase E_{\rm expl} (or L_{\rm expl}) and in plateau phase E_{\rm plateau} (or L_{\rm plateau}) share relations of E_{\rm expl} \propto E_{\rm plateau}^{0.73\pm 0.14} and L_{\rm expl} \propto L_{\rm plateau}^{\sim 0.70}. These results may indicate a similar late energy injection behavior to reproduce the observed plateaus of the plateaus in the two phenomena.

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