论文标题
在两温磁流体动力学中，较酷的核心星系簇中弱冲击的传播和各向异性热传导
Propagation of weak shocks in cool-core galaxy clusters in two-temperature magnetohydrodynamics with anisotropic thermal conduction
论文作者
论文摘要
我们研究了星系簇核心中弱（马赫数〜1.2）冲击的传播的磁流失动力学模型如何使用珀尔索斯群集作为我们的基准模型影响其观察性外观。特别是，我们研究了各向同性和各向异性的热传导如何如何改变弱冲击。强烈的热传导有望产生电子温度前体。也形成了不太突出的压力和密度前体。更长的平衡时间大大降低了密度前体，但不会太多改变电子温度前体。当热传导变为各向异性时，簇内磁场将其特征性的空间尺度印在热通量引起的冲击的扭曲上。
We investigate how different magnetohydrodynamic models of propagation of a weak (Mach number ~1.2) shock in the core of a galaxy cluster affect its observational appearance, using the Perseus cluster as our fiducial model. In particular, we study how thermal conduction, both isotropic and anisotropic, and ion-electron temperature equilibration modify a weak shock. Strong thermal conduction is expected to produce an electron temperature precursor. Less prominent pressure and density precursors are formed as well. A longer equilibration time largely reduces the density precursor, but does not change the electron temperature precursor much. When thermal conduction becomes anisotropic, the intracluster magnetic field imprints its characteristic spatial scale on the distortions of the shock induced by heat fluxes.
