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arxiv: 2606.04084 · v1 · pith:5D7BVWWLnew · submitted 2026-06-02 · 🌌 astro-ph.GA · astro-ph.HE

Simulating realistic radio morphologies of Fanaroff-Riley I jets in a self-regulating cool-core cluster

L\'ena Jlassi , Rainer Weinberger , Christoph Pfrommer , Maria Werhahn , Joseph Whittingham , Philipp Girichidis This is my paper

Pith reviewed 2026-06-28 08:53 UTC · model grok-4.3

classification 🌌 astro-ph.GA astro-ph.HE
keywords AGN jetscool-core galaxy clustersFanaroff-Riley I morphologiescosmic ray electronsradio synchrotron emissionself-regulated feedbackFokker-Planck evolution
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The pith

Self-regulated AGN jets in cool-core clusters produce realistic Fanaroff-Riley I radio morphologies and prevent cooling flows.

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

The paper uses magneto-hydrodynamical simulations of an idealized Perseus-like galaxy cluster where accretion powers low-density jets. These jets accelerate cosmic rays via a sub-grid model, and cosmic ray electron spectra are evolved along Lagrangian tracers with the Crest Fokker-Planck solver to generate synchrotron radio emission. The central result is that self-regulated jets stabilize the cluster core against cooling flows and yield complex, disturbed Fanaroff-Riley I lobe shapes. In contrast, a single fixed-power outburst produces only symmetrical lobes. Mock observations viewed along the jet axis still display complex structures because light jets are deflected by cold gas structures, and the model accounts for similar radio lobe extents across 150 MHz to 1.4 GHz frequencies in the simulated 1-50 microGauss magnetic fields.

Core claim

Self-regulated AGN jets stabilize the cool-core cluster against cooling flows and produce realistic Fanaroff-Riley I (FRI) and disturbed lobe morphologies, in contrast to symmetrical lobe structures obtained with a single jet outburst of fixed power. Our mock radio observations are viewed in a blazar configuration - along the jet axis - and exhibit complex radio-emitting lobe structures despite this. This highlights the strong deflection of light jets by cold gas structures and suggests that small-scale black hole and jet properties cannot be inferred from kpc-scale FRI radio lobe morphologies. Combining self-consistently evolved magnetic fields and electron spectra enables us to explain a k

What carries the argument

Self-regulating accretion-powered low-density AGN jets with a sub-grid cosmic ray acceleration model, using the Crest Fokker-Planck solver to evolve electron spectra along Lagrangian tracers and compute radio synchrotron emission.

If this is right

  • Self-regulated jets maintain thermal balance in the cluster core by responding to accretion rates.
  • Disturbed FRI morphologies arise primarily from jet deflection by cold gas rather than variations in jet power.
  • Small-scale properties of the central black hole and jets cannot be directly read from observed kpc-scale lobe shapes.
  • Both young and old cosmic ray electrons contribute to radio emission across 150 MHz to 1.4 GHz in typical cool-core magnetic fields.

Where Pith is reading between the lines

These are editorial extensions of the paper, not claims the author makes directly.

  • Jet deflection by cold gas structures may be a general process limiting what can be inferred about jet launching from large-scale radio maps.
  • The same simulation framework could be used to predict how radio morphologies evolve in clusters with different masses or dynamical states.
  • If the sub-grid cosmic ray model is accurate, these simulations provide a way to interpret upcoming wide-field radio surveys of galaxy clusters.

Load-bearing premise

The sub-grid model used to accelerate cosmic ray protons and electrons by the jets, when combined with the Fokker-Planck evolution in Crest along Lagrangian tracers, produces radio synchrotron emission that accurately represents real observations.

What would settle it

If multi-frequency radio maps of cool-core clusters like Perseus show symmetric lobes despite ongoing AGN activity, or if lobe spatial extents differ markedly between 150 MHz and 1.4 GHz in regions with 1-50 microGauss fields, the central claims would be challenged.

Figures

Figures reproduced from arXiv: 2606.04084 by Christoph Pfrommer, Joseph Whittingham, L\'ena Jlassi, Maria Werhahn, Philipp Girichidis, Rainer Weinberger.

Figure 1
Figure 1. Figure 1: Projections of self-regulated AGN jets in a Perseus-like galaxy cluster at t = 1.44 Gyr. Top: From left to right, volume-weighted gas mass density, magnetic field strength, CR proton energy density, and the CR electron energy density multiplied by 1/ξcre = 100, where ξcre is our chosen efficiency of CR proton to CR electron energy conversion (Sect. 2.5.1). Bottom: From left to right, we show the volume-wei… view at source ↗
Figure 2
Figure 2. Figure 2: Synchrotron intensity maps at 150 MHz of self-regulated AGN jets at different epochs, in comparison with the single jet outburst in the bottom right corner presented in J26. We smooth the image using a symmetric 2D beam with FWHM = 7 ′′ ≈ 2.7 kpc (depicted in panel A at the bottom right) to mock observationally motivated angular resolutions, and use the conversion 1 Jy beam−1 = 0.018 Jy arcsec−2 . We draw … view at source ↗
Figure 3
Figure 3. Figure 3: Synchrotron intensity maps projected along three different axes at 150 MHz of a single snapshot at t = 1.46 Gyr (see movie), and smoothed with a 2D Gaussian beam FWHM = 4 kpc. The cartoon in the upper right illustrates the jet launching direction. The bottom left image in the cube is obtained by projecting along the jet launching axis, as is the case for the mock images shown in [PITH_FULL_IMAGE:figures/f… view at source ↗
Figure 4
Figure 4. Figure 4: Bottom: Time evolution of the jet luminosity (black line) and 1.4 GHz radio luminosity (coloured line). The black and red dashed lines indicate the mean jet and radio luminosities, respectively. The jets are initially in an ‘intermittent’ phase with short, weak outbursts (≤ 0.9 Gyr) and transition into a ‘maintenance’-phase where the outbursts are powerful and almost continuous (> 0.9 Gyr). Top left: Time … view at source ↗
Figure 5
Figure 5. Figure 5: Spatial and spectral distributions of different electron ages, defined as the time since last injection tsince inj, at t = 1.5 Gyr. We differentiate between young (age ≤ 4 Myr) and old (4 < age ≤ 400 Myr) CR electrons on the left and right, respectively. Electrons undergoing acceleration at the current time correspond to tsince inj = now. Right: Spatial distributions of CR electron tracer particles, colour… view at source ↗
Figure 6
Figure 6. Figure 6: Multi-panel view of the AGN jet outburst at t = 1.5 Gyr (same time as [PITH_FULL_IMAGE:figures/full_fig_p013_6.png] view at source ↗
read the original abstract

Active galactic nucleus (AGN) jets radiate radio synchrotron emission displaying a wide range of morphologies. At the same time, they provide heat to prevent cooling flows in cool-core galaxy clusters. We produce mock radio observations of AGN jets in a self-regulating cool-core galaxy cluster. To this end, we employ magneto-hydrodynamical simulations of an idealised Perseus-like galaxy cluster, in which accretion-powered low-density jets accelerate cosmic ray protons and electrons by means of a sub-grid model. Cosmic ray electron spectra are spatially and temporally evolved along Lagrangian tracer trajectories using the Fokker-Planck solver Crest to produce radio synchrotron emission. Self-regulated AGN jets stabilize the cool-core cluster against cooling flows and produce realistic Fanaroff-Riley I (FRI) and disturbed lobe morphologies, in contrast to symmetrical lobe structures obtained with a single jet outburst of fixed power. Our mock radio observations are viewed in a blazar configuration - along the jet axis - and exhibit complex radio-emitting lobe structures despite this. This highlights the strong deflection of light jets by cold gas structures and suggests that small-scale black hole and jet properties cannot be inferred from kpc-scale FRI radio lobe morphologies. Combining self-consistently evolved magnetic fields and electron spectra enables us to explain a known observational phenomenon, whereby radio observations of AGN lobes on galaxy cluster scales occasionally display similar spatial extents at different frequencies: in 1-50 $\mu$G magnetic fields obtained in our cool-core environment, both freshly accelerated and hundreds-of-Myr-old electrons are able to contribute to the 150 MHz - 1.4 GHz frequency range.

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit. Tearing a paper down is the easy half of reading it; the pith above is the substance, this is the friction.

Referee Report

2 major / 1 minor

Summary. The manuscript presents MHD simulations of an idealized Perseus-like cool-core cluster in which accretion-powered jets self-regulate via a sub-grid cosmic-ray acceleration model. Electron spectra are evolved along Lagrangian tracers with the Crest Fokker-Planck solver to generate mock synchrotron maps viewed along the jet axis; the central claims are that these self-regulated jets stabilize the core against cooling flows, produce realistic FRI and disturbed lobe morphologies (unlike symmetric lobes from fixed-power outbursts), and explain the observational fact of similar lobe extents at 150 MHz–1.4 GHz in the simulated 1–50 μG fields.

Significance. If the mock radio images are shown to be quantitatively consistent with observations, the work would strengthen the case that self-regulated AGN feedback can simultaneously quench cooling flows and reproduce complex FRI structures. A clear strength is the self-consistent coupling of evolved magnetic fields with the Crest-evolved electron spectra, which directly addresses the frequency-extent puzzle without ad-hoc assumptions about electron populations.

major comments (2)
  1. [Abstract] Abstract: the headline claim that the simulations 'produce realistic Fanaroff-Riley I (FRI) and disturbed lobe morphologies' is load-bearing for the paper's main result, yet the abstract (and the provided summary) supplies no quantitative metrics such as lobe asymmetry indices, surface-brightness profiles, or direct spectral-index comparisons to observed Perseus FRI sources; without these, it is impossible to assess whether the sub-grid CR model plus Crest evolution actually reproduces the target morphologies.
  2. [Abstract] Abstract: the explanation that 'both freshly accelerated and hundreds-of-Myr-old electrons are able to contribute to the 150 MHz–1.4 GHz frequency range' in 1–50 μG fields rests on the accuracy of the unspecified sub-grid CR acceleration efficiency and the subsequent Fokker-Planck losses; no calibration, sensitivity tests, or comparison of predicted luminosities/spectral indices against real Perseus data are described, directly affecting the robustness of both the morphological and frequency-extent claims.
minor comments (1)
  1. [Abstract] The term 'blazar configuration' for the line-of-sight viewing angle should be defined or replaced with a clearer description of the projection geometry.

Simulated Author's Rebuttal

2 responses · 0 unresolved

We thank the referee for their constructive comments on our manuscript. We respond to each major comment below.

read point-by-point responses

  1. Referee: [Abstract] Abstract: the headline claim that the simulations 'produce realistic Fanaroff-Riley I (FRI) and disturbed lobe morphologies' is load-bearing for the paper's main result, yet the abstract (and the provided summary) supplies no quantitative metrics such as lobe asymmetry indices, surface-brightness profiles, or direct spectral-index comparisons to observed Perseus FRI sources; without these, it is impossible to assess whether the sub-grid CR model plus Crest evolution actually reproduces the target morphologies.

    Authors: We agree that the abstract's use of 'realistic' would be strengthened by quantitative metrics. The manuscript demonstrates the key physical result through direct comparison: self-regulated jets produce complex, disturbed lobe structures via deflection by cold gas, in contrast to the symmetric lobes from fixed-power outbursts. This qualitative distinction is shown in the figures and arises self-consistently from the simulation physics. We will revise the abstract to state that the simulations 'produce complex FRI-like and disturbed lobe morphologies' to more accurately reflect the nature of the comparison presented. revision: partial

  2. Referee: [Abstract] Abstract: the explanation that 'both freshly accelerated and hundreds-of-Myr-old electrons are able to contribute to the 150 MHz–1.4 GHz frequency range' in 1–50 μG fields rests on the accuracy of the unspecified sub-grid CR acceleration efficiency and the subsequent Fokker-Planck losses; no calibration, sensitivity tests, or comparison of predicted luminosities/spectral indices against real Perseus data are described, directly affecting the robustness of both the morphological and frequency-extent claims.

    Authors: The sub-grid cosmic-ray acceleration model, including the efficiency parameter, is fully specified in the methods section, with values drawn from standard AGN jet models. Magnetic fields are evolved self-consistently in the MHD simulation and reach 1–50 μG in the lobe regions. The Crest Fokker-Planck solver then evolves the electron spectra including all relevant losses. This setup directly shows that, for these B-field strengths, synchrotron frequencies in the 150 MHz–1.4 GHz range receive contributions from both young and old electrons. The simulation is idealized and not tuned to match specific Perseus luminosities or spectral indices; the goal is to illustrate the mechanism for frequency-independent extents. We will add a short paragraph in the revised manuscript discussing the model assumptions and parameter choices. revision: partial

Circularity Check

0 steps flagged

No circularity: forward simulation chain is self-contained

full rationale

The derivation proceeds via explicit MHD simulations of a Perseus-like cluster, sub-grid jet-powered CR acceleration, Lagrangian tracer evolution with the external Crest Fokker-Planck solver, and post-processed synchrotron maps. No parameter is fitted to the target FRI morphologies, no self-citation supplies a uniqueness theorem or ansatz that forces the outcome, and the contrast to fixed-power outbursts follows directly from the self-regulated accretion model rather than from re-labeling inputs. The central claims therefore remain independent of the reported results.

Axiom & Free-Parameter Ledger

2 free parameters · 2 axioms · 0 invented entities

The central claim rests on standard MHD and cosmic-ray transport physics plus several sub-grid modeling choices whose parameters are not specified in the abstract. No new particles or forces are introduced.

free parameters (2)
  • jet power response function
    Self-regulation requires a prescription linking jet power to local accretion or cooling rate; this is a fitted or chosen functional form.
  • cosmic-ray acceleration efficiency
    Sub-grid model parameter controlling the fraction of jet energy converted into CR protons and electrons.
axioms (2)
  • domain assumption Idealised Perseus-like initial conditions accurately represent a real cool-core cluster
    The simulation begins from a specific, simplified cluster setup.
  • domain assumption Crest Fokker-Planck solver correctly evolves electron spectra under the simulated conditions
    Relies on the numerical accuracy and physical completeness of the solver.

pith-pipeline@v0.9.1-grok · 5847 in / 1446 out tokens · 27181 ms · 2026-06-28T08:53:41.410212+00:00 · methodology

discussion (0)

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Forward citations

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Reference graph

Works this paper leans on

300 extracted references · 280 canonical work pages · cited by 2 Pith papers · 36 internal anchors

  1. [1]

    The link between accretion mode and environment in radio-loud active galaxies

    The link between accretion mode and environment in radio-loud active galaxies. , keywords =. doi:10.1093/mnras/stv1807 , archivePrefix =. 1508.01033 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1093/mnras/stv1807

  2. [2]

    AGN jet feedback on a moving mesh: cocoon inflation, gas flows and turbulence

    AGN jet feedback on a moving mesh: cocoon inflation, gas flows and turbulence. , keywords =. doi:10.1093/mnras/stx2269 , archivePrefix =. 1705.07900 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1093/mnras/stx2269

  3. [3]

    , keywords =

    Influence of AGN jets on the magnetized ICM. , keywords =. doi:10.1111/j.1745-3933.2009.00721.x , archivePrefix =. 0905.3345 , primaryClass =

    work page doi:10.1111/j.1745-3933.2009.00721.x 2009

  4. [4]

    E., van Dokkum, P

    On the fundamental dichotomy in the local radio-AGN population: accretion, evolution and host galaxy properties. , keywords =. doi:10.1111/j.1365-2966.2012.20414.x , archivePrefix =. 1201.2397 , primaryClass =

    work page doi:10.1111/j.1365-2966.2012.20414.x 2012

  5. [5]

    Radio AGN in the local universe: unification, triggering and evolution

    Radio AGN in the local universe: unification, triggering and evolution. , keywords =. doi:10.1007/s00159-016-0094-x , archivePrefix =. 1605.08773 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1007/s00159-016-0094-x

  6. [6]

    Cosmic Ray Heating of the Warm Ionized Medium

    Cosmic Ray Heating of the Warm Ionized Medium. , keywords =. doi:10.1088/0004-637X/767/1/87 , archivePrefix =. 1301.4445 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1088/0004-637x/767/1/87

  7. [7]

    Annual Review of Nuclear and Particle Science , keywords =

    Cosmic-Ray Propagation and Interactions in the Galaxy. Annual Review of Nuclear and Particle Science , keywords =. doi:10.1146/annurev.nucl.57.090506.123011 , archivePrefix =. astro-ph/0701517 , primaryClass =

    work page doi:10.1146/annurev.nucl.57.090506.123011

  8. [8]

    X-ray study of a sample of FR0 radio galaxies: unveiling the nature of the central engine

    X-ray study of a sample of FR0 radio galaxies: unveiling the nature of the central engine. , keywords =. doi:10.1093/mnras/sty520 , archivePrefix =. 1802.08581 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1093/mnras/sty520

  9. [9]

    Additional planets and stellar models

    Jet-regulated cooling catastrophe. , keywords =. doi:10.1111/j.1365-2966.2010.17338.x , archivePrefix =. 1004.1851 , primaryClass =

    work page doi:10.1111/j.1365-2966.2010.17338.x 2010

  10. [10]

    , keywords =

    FR-type radio sources at 3 GHz VLA-COSMOS: Relation to physical properties and large-scale environment. , keywords =. doi:10.1051/0004-6361/202039488 , archivePrefix =. 2009.10721 , primaryClass =

    work page doi:10.1051/0004-6361/202039488 2009

  11. [11]

    The Dynamic Evolution of Young Extragalactic Radio Sources

    The Dynamic Evolution of Young Extragalactic Radio Sources. , keywords =. doi:10.1088/0004-637X/760/1/77 , archivePrefix =. 1211.1760 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1088/0004-637x/760/1/77

  12. [12]

    , keywords =

    The Theory of Resonant Cosmic Ray─driven Instabilities Growth and Saturation of Single Modes. , keywords =. doi:10.3847/1538-4357/ad8eb3 , archivePrefix =. 2406.04400 , primaryClass =

    work page doi:10.3847/1538-4357/ad8eb3

  13. [13]

    Journal of Plasma Physics , keywords =

    Deciphering the physical basis of the intermediate-scale instability. Journal of Plasma Physics , keywords =. doi:10.1017/S0022377823001289 , archivePrefix =. 2305.18050 , primaryClass =

    work page doi:10.1017/s0022377823001289

  14. [14]

    , keywords =

    How supermassive black holes shape central entropies in galaxy clusters. , keywords =. doi:10.1051/0004-6361/202558710 , archivePrefix =. 2601.20932 , primaryClass =

    work page doi:10.1051/0004-6361/202558710

  15. [15]

    What is a Cool-Core Cluster? A Detailed Analysis of the Cores of the X-ray Flux-Limited HIFLUGCS Cluster Sample

    What is a cool-core cluster? a detailed analysis of the cores of the X-ray flux-limited HIFLUGCS cluster sample. , keywords =. doi:10.1051/0004-6361/200912377 , archivePrefix =. 0911.0409 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1051/0004-6361/200912377

  16. [16]

    arXiv e-prints , keywords =

    Revisiting radio synchrotron diagnostics in star-forming galaxies. arXiv e-prints , keywords =

  17. [17]

    and Ajello, M

    Ackermann, M. and Ajello, M. and Allafort, A. and Baldini, L. and Ballet, J. and Barbiellini, G. and Bastieri, D. and Bechtol, K. and Bellazzini, R. and Blandford, R. D. and Blasi, P. and Bloom, E. D. and Bonamente, E. and Borgland, A. W. and Bouvier, A. and Brandt, T. J. and Bregeon, J. and Brigida, M. and Bruel, P. and Buehler, R. and Buson, S. and Cali...

    work page doi:10.1088/2041-8205/717/1/l71 2041

  18. [18]

    and Ajello, M

    Ackermann, M. and Ajello, M. and Albert, A. and Allafort, A. and Atwood, W. B. and Baldini, L. and Ballet, J. and Barbiellini, G. and Bastieri, D. and Bechtol, K. and Bellazzini, R. and Bloom, E. D. and Bonamente, E. and Bottacini, E. and Brandt, T. J. and Bregeon, J. and Brigida, M. and Bruel, P. and Buehler, R. and Buson, S. and Caliandro, G. A. and Cam...

    work page doi:10.1088/0004-637x/787/1/18

  19. [19]

    Angular, spectral, and time distributions of highest energy protons and associated secondary gamma-rays and neutrinos propagating through extragalactic magnetic and radiation fields

    Angular, Spectral, and Time Distributions of Highest Energy Protons and Associated Secondary Gamma-Rays and Neutrinos Propagating through Extragalactic Magnetic and Radiation Fields , author =. Physical Review D , volume =. doi:10.1103/PhysRevD.82.043002 , urldate =. arXiv , langid =:1006.1045 , primaryclass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1103/physrevd.82.043002

  20. [20]

    , archivePrefix = "arXiv", eprint =

    The Quiescent Intracluster Medium in the Core of the Perseus Cluster , author =. Nature , volume =. doi:10.1038/nature18627 , urldate =

    work page doi:10.1038/nature18627

  21. [21]

    Ahnen, M. L. and Ansoldi, S. and Antonelli, L. A. and Antoranz, P. and Babic, A. and Banerjee, B. and Bangale, P. and Barres De Almeida, U. and Barrio, J. A. and Becerra Gonz. Deep Observation of the. , volume =. doi:10.1051/0004-6361/201527846 , urldate =

    work page doi:10.1051/0004-6361/201527846

  22. [22]

    , volume =

    Aleksi. , volume =. doi:10.1088/0004-637X/710/1/634 , urldate =

    work page doi:10.1088/0004-637x/710/1/634

  23. [23]

    Letters , volume =

    Aleksi. Letters , volume =. doi:10.1088/2041-8205/723/2/L207 , urldate =

    work page doi:10.1088/2041-8205/723/2/l207 2041

  24. [24]

    Detection of Very-High Energy

    Aleksi. Detection of Very-High Energy. , volume =. doi:10.1051/0004-6361/201118668 , urldate =

    work page doi:10.1051/0004-6361/201118668

  25. [25]

    Constraining Cosmic Rays and Magnetic Fields in the

    Aleksi. Constraining Cosmic Rays and Magnetic Fields in the. , volume =. doi:10.1051/0004-6361/201118502 , urldate =

    work page doi:10.1051/0004-6361/201118502

  26. [26]

    doi:10.48550/arXiv.2505.05675 , urldate =

    Entropy Plateaus Can Emerge from Gas Replacement at a Characteristic Halo Mass in Simulated Groups and Clusters of Galaxies , author =. doi:10.48550/arXiv.2505.05675 , urldate =. arXiv , langid =:2505.05675 , primaryclass =

    work page doi:10.48550/arxiv.2505.05675

  27. [27]

    The Effect of Extended Radio Emission on

    Amarantidis, Stergios and Farrah, Duncan and Seymour, Nick and Lacy, Mark and Breda, Iris and Ziegler, Bodo and Piana, Olmo and. The Effect of Extended Radio Emission on. doi:10.48550/arXiv.2510.05845 , urldate =. arXiv , langid =:2510.05845 , primaryclass =

    work page doi:10.48550/arxiv.2510.05845

  28. [28]

    Anderson, C. S. and Gaensler, B. M. and Heald, G. H. and O'Sullivan, S. P. and Kaczmarek, J. F. and Feain, I. J. , year = 2018, month = mar, journal =. Broadband Radio Polarimetry of Fornax a. doi:10.3847/1538-4357/aaaec0 , urldate =

    work page doi:10.3847/1538-4357/aaaec0 2018

  29. [29]

    Axford, W. I. and Leer, E. and Skadron, G. , year = 1977, month = jan, volume =. The Acceleration of Cosmic Rays by Shock Waves , booktitle =

    1977

  30. [30]

    and Capetti, Alessandro and Giovannini, Gabriele , year = 2015, month = apr, journal =

    Baldi, Ranieri D. and Capetti, Alessandro and Giovannini, Gabriele , year = 2015, month = apr, journal =. Pilot Study of the Radio-Emitting. doi:10.1051/0004-6361/201425426 , urldate =

    work page doi:10.1051/0004-6361/201425426 2015

  31. [31]

    High-Resolution

    Baldi, Ranieri D and Capetti, Alessandro and Giovannini, Gabriele , year = 2019, month = jan, journal =. High-Resolution. doi:10.1093/mnras/sty2703 , urldate =

    work page doi:10.1093/mnras/sty2703 2019

  32. [32]

    Zooming in on Supermassive Black Holes: How Resolving Their Gas Cloud Host Renders Their Accretion Episodic , shorttitle =

    Beckmann, R S and Devriendt, J and Slyz, A , year = 2019, month = mar, journal =. Zooming in on Supermassive Black Holes: How Resolving Their Gas Cloud Host Renders Their Accretion Episodic , shorttitle =. doi:10.1093/mnras/sty2890 , urldate =

    work page doi:10.1093/mnras/sty2890 2019

  33. [33]

    Beckmann, R. S. and Dubois, Y. and Guillard, P. and Salome, P. and Olivares, V. and Polles, F. and Cadiou, C. and Combes, F. and Hamer, S. and Lehnert, M. D. and. Dense Gas Formation and Destruction in a Simulated. , volume =. doi:10.1051/0004-6361/201936188 , urldate =

    work page doi:10.1051/0004-6361/201936188

  34. [34]

    , volume =

    Cosmic Rays and Thermal Instability in Self-Regulating Cooling Flows of Massive Galaxy Clusters , author =. , volume =. doi:10.1051/0004-6361/202142527 , urldate =

    work page doi:10.1051/0004-6361/202142527

  35. [35]

    Bell, A. R. , year = 1978, month = jan, journal =. The Acceleration of Cosmic Rays in Shock Fronts -. doi:10.1093/mnras/182.2.147 , urldate =

    work page doi:10.1093/mnras/182.2.147 1978

  36. [36]

    Bell, A. R. , year = 1978, month = mar, journal =. The Acceleration of Cosmic Rays in Shock Fronts --. doi:10.1093/mnras/182.3.443 , urldate =

    work page doi:10.1093/mnras/182.3.443 1978

  37. [37]

    , keywords =

    On the Origin of the Ancient, Large-scale Cold Front in the Perseus Cluster of Galaxies. , keywords =. doi:10.3847/1538-4357/ad6e83 , archivePrefix =. 2310.09422 , primaryClass =

    work page doi:10.3847/1538-4357/ad6e83

  38. [38]

    arXiv e-prints , keywords =

    Disentangling AGN Feedback and Sloshing in the Perseus Cluster with XRISM: Insights from Simulations. arXiv e-prints , keywords =. doi:10.48550/arXiv.2512.12754 , archivePrefix =. 2512.12754 , primaryClass =

    work page doi:10.48550/arxiv.2512.12754

  39. [39]

    Paicos: A Python Package for Analysis of (Cosmological)Simulations Performed with Arepo , shorttitle =

    Berlok, Thomas and Jlassi, L. Paicos: A Python Package for Analysis of (Cosmological)Simulations Performed with Arepo , shorttitle =. Journal of Open Source Software , volume =. doi:10.21105/joss.06296 , urldate =

    work page doi:10.21105/joss.06296

  40. [40]

    Best, P. N. and Von Der Linden, A. and Kauffmann, G. and Heckman, T. M. and Kaiser, C. R. , year = 2007, month = aug, journal =. On the Prevalence of Radio-Loud Active Galactic Nuclei in Brightest Cluster Galaxies: Implications for. doi:10.1111/j.1365-2966.2007.11937.x , urldate =

    work page doi:10.1111/j.1365-2966.2007.11937.x 2007

  41. [41]

    , keywords =

    A Simulation Study of Low-power Relativistic Jets: Flow Dynamics and Radio Morphology of FR-I Jets. , keywords =. doi:10.3847/1538-4357/ad83cc , archivePrefix =. 2409.18416 , primaryClass =

    work page doi:10.3847/1538-4357/ad83cc

  42. [42]

    , volume =

    Relativistic Jets and the Fanaroff-Riley Classification of Radio Galaxies , author =. , volume =. doi:10.1086/192232 , urldate =

    work page doi:10.1086/192232

  43. [43]

    A Systematic Study of Radio-Induced X-ray Cavities in Clusters, Groups, and Galaxies

    A Systematic Study of Radio-Induced x-Ray Cavities in Clusters, Groups, and Galaxies , author =. , volume =. doi:10.1086/383519 , urldate =. arXiv , langid =:astro-ph/0402348 , pages =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1086/383519

  44. [44]

    Radiative Efficiency and Content of Extragalactic Radio Sources:

    B. Radiative Efficiency and Content of Extragalactic Radio Sources:. , volume =. doi:10.1086/591416 , urldate =

    work page doi:10.1086/591416

  45. [45]

    , volume =

    B. , volume =. doi:10.1093/mnras/staa1594 , urldate =. arXiv , langid =:2006.09708 , primaryclass =

    work page doi:10.1093/mnras/staa1594 2006

  46. [46]

    The Astrophysical Journal Letters , keywords =

    Particle Acceleration by Astrophysical Shocks. , author =. , volume =. doi:10.1086/182658 , urldate =

    work page doi:10.1086/182658

  47. [47]

    Annual Review of , volume =

    Relativistic Jets in Active Galactic Nuclei , author =. Annual Review of , volume =. doi:10.1146/annurev-astro-081817-051948 , urldate =. arXiv , langid =:1812.06025 , primaryclass =

    work page doi:10.1146/annurev-astro-081817-051948

  48. [48]

    , volume =

    On the Dynamical Role of Cosmic Rays in Cooling Flows in Clusters of Galaxies , author =. , volume =. doi:10.1086/166497 , urldate =

    work page doi:10.1086/166497

  49. [49]

    and Voges, W

    Boehringer, H. and Voges, W. and Fabian, A. C. and Edge, A. C. and Neumann, D. M. , year = 1993, month = oct, journal =. A. doi:10.1093/mnras/264.1.L25 , urldate =

    work page doi:10.1093/mnras/264.1.l25 1993

  50. [50]

    , volume =

    Crescendo: An on-the-Fly Fokker--Planck Solver for Spectral Cosmic Rays in Cosmological Simulations , author =. , volume =. doi:10.1093/mnras/stac3584 , urldate =

    work page doi:10.1093/mnras/stac3584

  51. [51]

    A Formation Mechanism for ``

    B. A Formation Mechanism for ``. Letters , volume =. doi:10.3847/2041-8213/ad03f7 , urldate =

    work page doi:10.3847/2041-8213/ad03f7 2041

  52. [52]

    Galaxy Cluster Simulations with a Spectral Cosmic Ray Model -- "

    B. Galaxy Cluster Simulations with a Spectral Cosmic Ray Model -- ". arXiv , keywords =:2308.00448 , primaryclass =

    arXiv

  53. [53]

    Simulating the

    B. Simulating the. doi:10.48550/arXiv.2510.15634 , urldate =. arXiv , langid =:2510.15634 , primaryclass =

    work page doi:10.48550/arxiv.2510.15634

  54. [54]

    and Shimwell, T

    Botteon, A. and Shimwell, T. W. and Cassano, R. and Cuciti, V. and Zhang, X. and Bruno, L. and Camillini, L. and Natale, R. and Jones, A. and Gastaldello, F. and Simionescu, A. and Rossetti, M. and Akamatsu, H. and Van Weeren, R. J. and Brunetti, G. and Br. The. , volume =. doi:10.1051/0004-6361/202143020 , urldate =

    work page doi:10.1051/0004-6361/202143020

  55. [55]

    doi:10.1093/mnras/stab1662 , urldate =

    Bourne, Martin A and Sijacki, Debora , year = 2021, month = jul, journal =. doi:10.1093/mnras/stab1662 , urldate =

    work page doi:10.1093/mnras/stab1662 2021

  56. [56]

    Galaxies , volume =

    Recent Progress in Modeling the Macro- and Micro-Physics of Radio Jet Feedback in Galaxy Clusters , author =. Galaxies , volume =. doi:10.3390/galaxies11030073 , urldate =. arXiv , keywords =:2305.00019 , primaryclass =

    work page doi:10.3390/galaxies11030073

  57. [57]

    and Morganti, R

    Brienza, M. and Morganti, R. and Shulevski, A. and Godfrey, L. and Vilchez, N. , year = 2016, journal =. A. doi:10.1002/asna.201512260 , urldate =

    work page doi:10.1002/asna.201512260 2016

  58. [58]

    and Godfrey, L

    Brienza, M. and Godfrey, L. and Morganti, R. and Prandoni, I. and Harwood, J. and Mahony, E. K. and Hardcastle, M. J. and Murgia, M. and R. Search and Modelling of Remnant Radio Galaxies in the. , volume =. doi:10.1051/0004-6361/201730932 , urldate =

    work page doi:10.1051/0004-6361/201730932

  59. [59]

    and Morganti, R

    Brienza, M. and Morganti, R. and Harwood, J. and Duchet, T. and Rajpurohit, K. and Shulevski, A. and Hardcastle, M. J. and Mahatma, V. and Godfrey, L. E. H. and Prandoni, I. and Shimwell, T. W. and Intema, H. , year = 2020, month = jun, journal =. Radio Spectral Properties and Jet Duty Cycle in the Restarted Radio Galaxy. doi:10.1051/0004-6361/202037457 ,...

    work page doi:10.1051/0004-6361/202037457 2020

  60. [60]

    and Shimwell, T

    Brienza, M. and Shimwell, T. W. and. A Snapshot of the Oldest. Nature Astronomy , volume =. doi:10.1038/s41550-021-01491-0 , urldate =. arXiv , keywords =:2110.09189 , primaryclass =

    work page doi:10.1038/s41550-021-01491-0

  61. [61]

    and Lovisari, L

    Brienza, M. and Lovisari, L. and Rajpurohit, K. and Bonafede, A. and Gastaldello, F. and Murgia, M. and Vazza, F. and Bonnassieux, E. and Botteon, A. and Brunetti, G. and Drabent, A. and Hardcastle, M. J. and Pasini, T. and Riseley, C. J. and R. The Galaxy Group. , volume =. doi:10.1051/0004-6361/202142579 , urldate =

    work page doi:10.1051/0004-6361/202142579

  62. [62]

    and Gilli, R

    Brienza, M. and Gilli, R. and Prandoni, I. and D'Amato, Q. and Rajpurohit, K. and Calura, F. and Chiaberge, M. and Comastri, A. and Iwasawa, K. and Lanzuisi, G. and Liuzzo, E. and Marchesi, S. and Mignoli, M. and Miley, G. and Norman, C. and Peca, A. and Raciti, M. and Shimwell, T. and Tozzi, P. and Vignali, C. and Vitello, F. and Vito, F. , year = 2023, ...

    work page doi:10.1051/0004-6361/202245247 2023

  63. [63]

    and Rajpurohit, K

    Brienza, M. and Rajpurohit, K. and Churazov, E. and Heywood, I. and Br. Non-Thermal Filaments and. , volume =. doi:10.1051/0004-6361/202553676 , urldate =

    work page doi:10.1051/0004-6361/202553676

  64. [64]

    and Rajpurohit, K

    Brienza, M. and Rajpurohit, K. and Churazov, E. and Heywood, I. and Br. Non-Thermal Filaments and. doi:10.48550/arXiv.2502.18244 , urldate =. arXiv , langid =:2502.18244 , primaryclass =

    work page doi:10.48550/arxiv.2502.18244

  65. [65]

    The propagation of relativistic jets in external media

    The Propagation of Relativistic Jets in External Media , author =. , volume =. doi:10.1088/0004-637X/740/2/100 , urldate =. arXiv , langid =:1107.1326 , primaryclass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1088/0004-637x/740/2/100

  66. [66]

    Cosmic rays in galaxy clusters and their non-thermal emission

    Cosmic Rays in Galaxy Clusters and Their Non-Thermal Emission , author =. International Journal of Modern Physics D , volume =. doi:10.1142/S0218271814300079 , urldate =. arXiv , langid =:1401.7519 , primaryclass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1142/s0218271814300079

  67. [67]

    and Botteon, A

    Bruno, L. and Botteon, A. and Dallacasa, D. and Venturi, T. and Balboni, M. and Biava, N. and Brienza, M. and Br. Resurging from the Ashes:. doi:10.48550/arXiv.2510.05673 , urldate =. arXiv , langid =:2510.05673 , primaryclass =

    work page doi:10.48550/arxiv.2510.05673

  68. [68]

    and Brienza, M

    Candini, S. and Brienza, M. and Bonafede, A. and Rajpurohit, K. and Biava, N. and Murgia, M. and Loi, F. and Van Weeren, R. J. and Vazza, F. , year = 2023, month = sep, journal =. New Filamentary Remnant Radio Emission and Duty Cycle Constraints in the Radio Galaxy. doi:10.1051/0004-6361/202347036 , urldate =

    work page doi:10.1051/0004-6361/202347036 2023

  69. [69]

    and Massaro, F

    Capetti, A. and Massaro, F. and Baldi, R. D. , year = 2017, month = feb, journal =. doi:10.1051/0004-6361/201629287 , urldate =

    work page doi:10.1051/0004-6361/201629287 2017

  70. [70]

    and Massaro, F

    Capetti, A. and Massaro, F. and Baldi, R. D. , year = 2017, month = may, journal =. doi:10.1051/0004-6361/201630247 , urldate =

    work page doi:10.1051/0004-6361/201630247 2017

  71. [71]

    and Blasi, Pasquale , year = 2020, month = dec, journal =

    Caprioli, Damiano and Haggerty, Colby C. and Blasi, Pasquale , year = 2020, month = dec, journal =. Kinetic Simulations of Cosmic-Ray-Modified Shocks. doi:10.3847/1538-4357/abbe05 , urldate =. arXiv , langid =:2009.00007 , primaryclass =

    work page doi:10.3847/1538-4357/abbe05 2020

  72. [72]

    Particle Acceleration at Shocks:

    Caprioli, Damiano , year = 2023, month = jul, number =. Particle Acceleration at Shocks:. arXiv , keywords =:2307.00284 , primaryclass =

    arXiv 2023

  73. [73]

    Carilli, C. L. and Taylor, G. B. , year = 2002, month = sep, journal =. Cluster. doi:10.1146/annurev.astro.40.060401.093852 , urldate =

    work page doi:10.1146/annurev.astro.40.060401.093852 2002

  74. [74]

    , volume =

    A Relationship between Agn Jet Power and Radio Power , author =. , volume =. doi:10.1088/0004-637X/720/2/1066 , urldate =

    work page doi:10.1088/0004-637x/720/2/1066

  75. [75]

    An Entropy Threshold for Strong H-alpha and Radio Emission in the Cores of Galaxy Clusters

    An Entropy Threshold for Strong H and Radio Emission in the Cores of Galaxy Clusters. , keywords =. doi:10.1086/591665 , archivePrefix =. 0806.0382 , primaryClass =

    work page internal anchor Pith review Pith/arXiv arXiv doi:10.1086/591665

  76. [76]

    , volume =

    Extreme Ion Acceleration at Extragalactic Jet Termination Shocks , author =. , volume =. doi:10.1051/0004-6361/202346481 , urldate =

    work page doi:10.1051/0004-6361/202346481

  77. [77]

    , volume =

    Jets, Bubbles, and Heat Pumps in Galaxy Clusters , author =. , volume =. doi:10.1093/mnras/stz2256 , urldate =

    work page doi:10.1093/mnras/stz2256

  78. [78]

    , volume =

    A Numerical Study of the Impact of Jet Magnetic Topology on Radio Galaxy Evolution , author =. , volume =. doi:10.1093/mnras/stad1074 , urldate =

    work page doi:10.1093/mnras/stad1074

  79. [79]

    S., Ruszkowski, M., Werhahn, M., Pfrommer, C., & Thomas, T

    Robust Magnetic Field Estimates in Star-Forming Galaxies with the Equipartition Formula in the Absence of Equipartition , author =. doi:10.48550/arXiv.2510.03229 , urldate =. arXiv , langid =:2510.03229 , primaryclass =

    work page doi:10.48550/arxiv.2510.03229

  80. [80]

    Sandy 懷萱 and Ruszkowski, Mateusz and Thomas, Timon and Werhahn, Maria and Pfrommer, Christoph , year = 2024, month = nov, journal =

    Chiu 邱, H.-H. Sandy 懷萱 and Ruszkowski, Mateusz and Thomas, Timon and Werhahn, Maria and Pfrommer, Christoph , year = 2024, month = nov, journal =. Simulating. doi:10.3847/1538-4357/ad84e9 , urldate =

    work page doi:10.3847/1538-4357/ad84e9 2024

Showing first 80 references.