The Dynamics and Energetics of Remnant and Restarting RLAGN

IF 3.2 Q2 ASTRONOMY & ASTROPHYSICS Galaxies Pub Date : 2023-06-13 DOI:10.3390/galaxies11030074
V. Mahatma
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引用次数: 1

Abstract

In this article, I review past, current, and future advances on the study of radio-loud AGN (RLAGN; radio-loud quasars and radio galaxies) lifecycles exclusively in the remnant and restarting phases. I focus on their dynamics and energetics as inferred from radio observations while discussing their radiative lifetimes, population statistics, and trends in their physical characteristics. I briefly summarise multi-wavelength observations, particularly X-rays, that have enabled studies of the large-scale environments of RLAGN in order to understand their role in feedback. Furthermore, I discuss analytic and numerical simulations that predict key properties of remnant and restarting sources as found in wide-area surveys, and discuss the prospects of future surveys that may shed further light on these elusive subpopulations of RLAGN.
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剩余和重新启动RLAGN的动力学和能量学
在这篇文章中,我回顾了过去、现在和未来关于无线电大星系核(RLAGN;无线电大类星体和无线电星系)生命周期的研究进展,这些研究仅在残余和重启阶段。我专注于从无线电观测中推断出的它们的动力学和能量学,同时讨论它们的辐射寿命、种群统计和物理特征的趋势。我简要总结了多波长观测,特别是X射线,这些观测使我们能够研究RLAGN的大规模环境,以了解它们在反馈中的作用。此外,我讨论了分析和数值模拟,这些模拟预测了大面积调查中发现的残余物和重启源的关键特性,并讨论了未来调查的前景,这些调查可能会进一步揭示RLAGN的这些难以捉摸的亚群。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Galaxies
Galaxies Physics and Astronomy-Astronomy and Astrophysics
CiteScore
4.90
自引率
12.00%
发文量
100
审稿时长
11 weeks
期刊介绍: Es una revista internacional de acceso abierto revisada por pares que proporciona un foro avanzado para estudios relacionados con astronomía, astrofísica y cosmología. Areas temáticas Astronomía Astrofísica Cosmología Astronomía observacional: radio, infrarrojo, óptico, rayos X, neutrino, etc. Ciencia planetaria Equipos y tecnologías de astronomía. Ingeniería Aeroespacial Análisis de datos astronómicos. Astroquímica y Astrobiología. Arqueoastronomía Historia de la astronomía y cosmología. Problemas filosóficos en cosmología.
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