A MODEST review

Anna Lisa Varri, Maxwell Xu Cai, Francisca Concha-Ramírez, František Dinnbier, Nora Lützgendorf, Václav Pavlík, Sara Rastello, Antonio Sollima, Long Wang, Alice Zocchi
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引用次数: 5

Abstract

We present an account of the state of the art in the fields explored by the research community invested in “Modeling and Observing DEnse STellar systems”. For this purpose, we take as a basis the activities of the MODEST-17 conference, which was held at Charles University, Prague, in September 2017. Reviewed topics include recent advances in fundamental stellar dynamics, numerical methods for the solution of the gravitational N-body problem, formation and evolution of young and old star clusters and galactic nuclei, their elusive stellar populations, planetary systems, and exotic compact objects, with timely attention to black holes of different classes of mass and their role as sources of gravitational waves.

Such a breadth of topics reflects the growing role played by collisional stellar dynamics in numerous areas of modern astrophysics. Indeed, in the next decade many revolutionary instruments will enable the derivation of positions and velocities of individual stars in the Milky Way and its satellites, and will detect signals from a range of astrophysical sources in different portions of the electromagnetic and gravitational spectrum, with an unprecedented sensitivity. On the one hand, this wealth of data will allow us to address a number of long-standing open questions in star cluster studies; on the other hand, many unexpected properties of these systems will come to light, stimulating further progress of our understanding of their formation and evolution.

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一个适度的回顾
我们介绍了研究团体在“模拟和观察致密恒星系统”中所探索的领域的最新进展。为此,我们以2017年9月在布拉格查尔斯大学举行的moste -17会议的活动为基础。回顾的主题包括基本恒星动力学的最新进展,解决引力n体问题的数值方法,年轻和年老的星团和星系核的形成和演化,它们难以捉摸的恒星群,行星系统,以及外来的致密物体,及时关注不同质量类别的黑洞及其作为引力波源的作用。如此广泛的主题反映了碰撞恒星动力学在现代天体物理学的许多领域中所起的日益重要的作用。的确,在接下来的十年里,许多革命性的仪器将能够推导出银河系及其卫星中单个恒星的位置和速度,并将以前所未有的灵敏度探测来自电磁和引力光谱不同部分的一系列天体物理源的信号。一方面,这些丰富的数据将使我们能够解决星团研究中一些长期存在的开放性问题;另一方面,这些系统的许多意想不到的特性将被揭示,刺激我们进一步了解它们的形成和演化。
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期刊介绍: Computational Astrophysics and Cosmology (CompAC) is now closed and no longer accepting submissions. However, we would like to assure you that Springer will maintain an archive of all articles published in CompAC, ensuring their accessibility through SpringerLink's comprehensive search functionality.
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