Non-thermal X-rays and interstellar gas toward the y-ray supernova remnant RX J1713.7-3946 : Evidence for X-ray enhancement around CO and HI clumps The Astrophysical Journal'
Non-thermal X-rays and interstellar gas toward the y-ray supernova remnant RX J1713.7-3946 : Evidence for X-ray enhancement around CO and HI clumps The Astrophysical Journal'
复制标题
非热 X 射线和星际气体朝向 y 射线超新星遗迹 RX J1713.7-3946：CO 和 HI 团块周围 X 射线增强的证据《天体物理学杂志》
DOI：
10.1088/0004-637x/778/1/59
复制
发表时间：
2013
期刊：
影响因子：
--
通讯作者：
et al.
中科院分区：
文献类型：
--
作者：
Sano;H.;et al.
RX J1713。7− 3946是最引人注目的甚高能量γ射线超新星遗迹，它发出的同步加速器X射线没有热特征。为了更好地理解X射线与分子和原子气体之间的关系，我们对CO、H i和X射线进行了比较研究。结果表明，在pc尺度上，CO和H i团簇周围的X射线增强，而在0.1pc尺度上，团簇内部的X射线减弱。磁流体动力学数值模拟的冲击波与分子和原子气体的相互作用表明，冲击波和团块之间的相互作用激发湍流，这放大了磁场周围的团块。我们认为CO和H i团簇周围放大的磁场增强了同步加速器X射线，并可能加速宇宙射线电子。
RX J1713. 7− 3946 is the most remarkable very high energy γ-ray supernova remnant that emits synchrotron X-rays without thermal features. We made a comparative study of CO, H i, and X-rays in order to better understand the relationship between the X-rays, and the molecular and atomic gas. The results indicate that the X-rays are enhanced around the CO and H i clumps on a pc scale, but are decreased inside the clumps on a 0.1 pc scale. Magnetohydrodynamic numerical simulations of the shock interaction with molecular and atomic gas indicate that the interaction between the shock waves and the clumps excite turbulence, which amplifies the magnetic field around the clumps. We suggest that the amplified magnetic field around the CO and H i clumps enhances the synchrotron X-rays and possibly the acceleration of cosmic-ray electrons.