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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

Vijay H. Mahatma This is my paper · ORCID
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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. OpenAlex reports about 18 citations worldwide. Full citation record

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

    astro-ph.HE 2026-07 accept novelty 6.5 of 10

    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 of 10

    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 of 10

    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.

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