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The Dynamics and Energetics of Remnant and Restarting RLAGN

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arxiv 2306.08471 v1 pith:BQGJ5IR2 submitted 2023-06-14 astro-ph.GA astro-ph.HE

The Dynamics and Energetics of Remnant and Restarting RLAGN

Vijay H. Mahatma This is my paper
classification astro-ph.GA astro-ph.HE
keywords rlagnremnantrestartingdiscussdynamicsenergeticsfutureobservations
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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 summarize 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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Forward citations

Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Numerical Simulations of Restarted Jets -- I. Dynamics

    astro-ph.HE 2026-07 accept novelty 6.5

    Restarted jets propagate ballistically through rarefied remnant cocoons with minimal backflow, decelerating only at dense entrained structures, after the cocoon evolves through conical-cylindrical-mushroom phases shap...

  2. Comprehensive X-ray Study of Giant Radio Galaxies with XMM-Newton and Chandra

    astro-ph.HE 2026-07 conditional novelty 6.0

    A systematic X-ray spectral analysis of 27 giant radio galaxies finds ~44% absorbed nuclei, Fe Kα lines, and hard photon indices, with tentative links to black hole mass.

  3. SuperMIGHTEE : Spectral Ages of Remnant Radio Galaxy Candidates in the XMM-LSS Field

    astro-ph.GA 2026-07 accept novelty 6.0

    Sensitive 144 MHz–1.5 GHz SEDs confirm 12 genuine remnant radio galaxies with short spectral ages (~8–42 Myr) and diverse remnant fractions, revealing a rapidly fading high-z population.