星系:运动学到动力学

M. Merrifield
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引用次数: 0

摘要

这些讲座旨在介绍n体模拟和星系恒星运动观测之间的丰富相互作用。第一部分描述了可以观测到的星系的运动特性,并简要介绍了人们可能希望从这些观测中推断出的恒星动力学。在下一节中,n体模拟在星系动力学研究中的应用将置于其历史背景中。接下来的两节提供了椭圆星系和盘状星系的恒星动力学特性的案例研究,其中n体模拟已用于解释运动学数据,测试新的分析技术,并激发进一步的观察。最后一部分包含一些关于观测和n体模拟之间的共生关系如何在未来星系动力学研究中发展的推测。
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Galaxies: kinematics to dynamics
These lectures are intended to provide an introduction to the rich interplay between N-body simulations and stellar-kinematic observations of galaxies. The first section describes the kinematic properties of galaxies that are accessible to observation, and gives a brief introduction to the stellar dynamics that one might wish to infer from such observations. In the next section, the use of N-body simulations in the study of galaxy dynamics is placed in its historical context. The next two sections provide case studies of the stellar-dynamical properties of elliptical and disk galaxies where N-body simulations have been used to explain kinematic data, to test new analysis techniques, and to motivate further observations. The final section contains some speculation as to how the symbiotic relation between observations and N-body simulations may develop in future studies of galaxy dynamics.
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