双黑洞探索者：预进动双黑洞的即席可视化
The binary black hole explorer: on-the-fly visualizations of precessing binary black holes
AI总结：
binaryBHexp利用替代模型生成预进动双黑洞的即时可视化，帮助研究者理解复杂系统动态。
摘要：
双黑洞并合事件对天体物理学界具有极大的研究价值，尤其是因为它们有潜力在高度动态的强场区域测试广义相对论。LIGO和Virgo通过这些源探测到引力波已经引起了广泛媒体和公众的关注。在这些源中，预进动系统（黑洞自转或轨道角动量不对齐）尤其受到关注，因为它们提供了丰富的动态。然而，这些系统本身比非预进动系统更复杂，使建模或形成直观理解更具挑战性。预进动系统的数值模拟可视化提供了一种理解并获得这些系统洞察的方法。然而，由于这些模拟非常昂贵，只能在参数空间的少量点上进行。我们介绍了binaryBHexp，这是一个利用数值模拟的替代模型来生成预进动双黑洞即席交互可视化的工具。这些可视化可以在几秒钟内生成，并且可以在基础替代模型的7维参数空间中的任何点生成。通过示例说明，我们展示了该工具如何用于了解预进动双黑洞系统。
英文摘要：
Binary black hole mergers are of great interest to the astrophysics community, not least because of their promise to test general relativity in the highly dynamic, strong field regime. Detections of gravitational waves from these sources by LIGO and Virgo have garnered widespread media and public attention. Among these sources, precessing systems (with misaligned black-hole spin/orbital angular momentum) are of particular interest because of the rich dynamics they offer. However, these systems are, in turn, more complex compared to nonprecessing systems, making them harder to model or develop intuition about. Visualizations of numerical simulations of precessing systems provide a means to understand and gain insights about these systems. However, since these simulations are very expensive, they can only be performed at a small number of points in parameter space. We present binaryBHexp, a tool that makes use of surrogate models of numerical simulations to generate on-the-fly interactive visualizations of precessing binary black holes. These visualizations can be generated in a few seconds, and at any point in the 7-dimensional parameter space of the underlying surrogate models. With illustrative examples, we demonstrate how this tool can be used to learn about precessing binary black hole systems.
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