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Detection of the thermal component in GRB 160107A

机译:检测GRB 160107A中的热分量

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We present the detection of a blackbody component in gamma-ray burst GRB 160107A emission by using the combined spectral data of the CALET Gamma-ray Burst Monitor (CGBM) and the MAXI Gas Slit Camera (GSC). MAXI/GSC detected the emission similar to 45 s prior to the main burst episode observed by the CGBM. The MAXI/GSC and the CGBM spectrum of this prior emission period is fitted well by a blackbody with temperature 1.0(-0.2)(+0.3) keV plus a power law with a photon index of -1.6 +/- 0.3. We discuss the radius of the photospheric emission and the main burst emission based on the observational properties. We stress the importance of coordinated observations via various instruments collecting high-quality data over a broad energy coverage in order to understand the GRB prompt emission mechanism.
机译:我们通过使用CALET伽马射线突发监视器(CGBM)的组合光谱数据和MAXI气体狭缝相机(GSC)来呈现伽马射线突发GRB 160107A发射中的黑体组件的检测。 MAXI / GSC在CGBM观察到的主突发集之前检测到类似于45秒的发射。 通过温度1.0(0.2)(+ 0.3)KeV加上-1.6 +/- 0.3的光子指数,通过温度为1.0(0.2)(+ 0.3)keV的黑体,将MAXI / GSC和CGBM光谱装配良好。 我们讨论了拍摄性波动发射的半径和基于观察性能的主要突发排放。 我们强调协调意见的重要性,通过各种仪器收集高质量数据的广泛能量覆盖,以便理解GRB迅速排放机制。

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