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MOTION OF A CENTRAL MASSIVE OBJECT IN A STELLAR DISK EXCITED BY ONE-ARMED PSEUDOINSTABILITY

机译:单臂伪稳定性激发的恒星中的中心质量物体运动

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摘要

We carried out a set of N-body simulations of a two-dimensional stellar disk with a central massive object, which is assumed to be a supermassive black hole. We found that the central object moves because of the one-armed pseudoinstability of the disk induced by the central massive object. The perturbation produced by the motion of the massive object is considered to have significant influence on the dynamics of galactic nuclei, which can result in triggering activities such as quasars and active galactic nuclei. The motion of the massive object may also lead to the growth of supermassive black holes and the evolution of the structure of galactic nuclei.
机译:我们对带有中心质量物体的二维恒星圆盘进行了一组N体模拟,假定该物体是超质量黑洞。我们发现中心物体移动是由于中心大型物体引起的磁盘的单臂伪不稳定性。大质量物体运动产生的扰动被认为对银河系原子核动力学有重大影响,这可能导致触发活动,例如类星体和活跃的银河系核。大质量物体的运动也可能导致超大质量黑洞的增长以及银河核结构的演变。

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