微类星体与周围介质的相互作用
Microquasar interaction with the surrounding medium
摘要：
微类星体喷流中的高动能被传递到周围的星际介质。这种能量输入可以导致弓形激波和茧的形成，从无线电到伽马射线能量都可以检测到。证据或暗示的排放从射流/介质相互作用已报告的一些来源，但很少有人做了关于所产生的非热排放的理论建模。我们已经开发了一个分析模型的基础上，成功地应用于河外源或AGN喷流与周围环境的相互作用。着重于生长结构的绝热阶段，我们通过同步辐射、相对论韧致辐射和逆康普顿过程给出了预期的光度估计。我们的结论是，相互作用的结构可能是可检测的无线电波长，而极端值的喷气动力学功率，源的年龄和介质密度需要在高和非常高的能量可检测的排放。
英文摘要：
The high kinetic energy outflowing in the jets of microquasars is delivered to the surrounding interstellar medium. This energy input can cause the formation of bow shocks and cocoons that may be detectable from radio to gamma-ray energies. Evidences or hints of emission from jet/medium interactions have been reported for some sources, but little has been done regarding the theoretical modeling of the resulting non-thermal emission. We have developed an analytical model based on those successfully applied to extragalactic sources or the interaction of AGN jets with their surroundings. Focusing on the adiabatic phase of the growing structures, we give estimations of the expected luminosities through synchrotron, relativistic Bremsstrahlung and inverse Compton processes. We conclude that the interaction structures may be detectable at radio wavelengths, while extreme values for the jet kinetic power, the source age and the medium density are required to make the emission at high and very high energies detectable.
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