MAGIC J0616 +225作为从SNR IC 443扩散的宇宙射线的延迟TeV发射
MAGIC J0616+225 as delayed TeV emission of cosmic-rays diffusing from SNR IC 443
摘要:
我们提出了一个理论模型,解释了高能量现象的附近的SNR IC 443,观察到的主要大气伽马成像切伦科夫(MAGIC)望远镜和高能伽马射线实验望远镜(EGRET)。我们将MAGIC J0616+225解释为延迟TeV的宇宙射线发射,从IC 443扩散并与位于遗迹前景约20 pc距离处的已知云相互作用。这种情况自然解释了EGRET和MAGIC源之间的位移,它们的通量和光谱。我们比较了这个模型与其他最近提出的,并讨论了如何可以测试的伽玛射线大面积望远镜(GLAST)的观测。
英文摘要:
We present a theoretical model that explains the high energy phenomenology of the neighborhood of SNR IC 443, as observed with the Major Atmospheric Gamma Imaging Cherenkov (MAGIC) telescope and the Energetic Gamma-Ray Experiment Telescope (EGRET). We interpret MAGIC J0616+225 as delayed TeV emission of cosmic-rays diffusing from IC 443 and interacting with a known cloud located at a distance of about 20 pc in the foreground of the remnant. This scenario naturally explains the displacement between EGRET and MAGIC sources, their fluxes, and their spectra. We compare this model with others recently presented, and discuss how it can be tested with observations by the Gamma-ray Large Area Telescope (GLAST).
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