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Similar to Study of the formation of Cold Fronts and Radio Mini-halos induced by the Intergalactic Gas Sloshing in the cores of Galaxy Clusters
Similar to Study of the formation of Cold Fronts and Radio Mini-halos induced by the Intergalactic Gas Sloshing in the cores of Galaxy Clusters (15)
Study of the formation of Cold Fronts and Radio Mini-halos induced by the Intergalactic Gas Sloshing in the cores of Galaxy Clusters
- 1. Erasmus Mundus Master Course in Astronomy and Astrophysics (Astromundus) Master thesis Study of the formation of Cold Fronts and Radio Mini-halos induced by the Intergalactic Gas Sloshing in the cores of Galaxy Clusters Internal supervisor: Candidate: Dr. Giancarlo de Gasperis Khan Muhammad Bin Asad External supervisor: Prof. Dr. Pasquale Mazzotta Date: Co-supervisors: July 20, 2012 Dr. Herve Bourdin Dr. Chiara Ferrari Dr. Simona Giacintucci
- 2. Master thesis Introduction defence Khan Muhammad Bin Asad Introduction Mini-halo Some cool-core non-major-merging galaxy Cold fronts (CF) clusters host diffuse radio sources at their Definition Gas sloshing centres named Radio Mini-halo (MH). Radio Mini-halos BCG Radio emitting particles cannot be associated Characteristics Origin to the brightest cluster galaxy (BCG) in terms Data analysis Data preparation of particle diffusion. Data analysis Jump modelling Turbulence MHs could result from relic electrons Results re-accelerated by MHD turbulence. Observations MS 1455.0+2232 RX J1720.1+2638 Correlation In two clusters MHs and cold fronts, edges of RXC J1504.1-0248 RX J1347-1145 cool dense gas, were found to be spatially Abell 2029 Abell 1835 correlated. Conclusions Sloshing Do MHs and CFs originate from the same mechanism, i.e. the intergalactic gas sloshing?
- 3. Master thesis What are cold fronts? defence Khan Muhammad Bin Asad The sharp edge of a dense and cool gas moving in a hot and Introduction dilute ambient medium. Unlike shock fronts, the denser and Cold fronts (CF) Definition brighter gas on the downstream side is cooler. Gas sloshing Radio Mini-halos Characteristics Origin Data analysis Data preparation Data analysis Jump modelling Results Observations MS 1455.0+2232 RX J1720.1+2638 RXC J1504.1-0248 RX J1347-1145 Abell 2029 Abell 1835 Conclusions Figure: From Thomson Higher Education, 2007
- 4. Master thesis Origin of CFs by intergalactic gas sloshing defence Khan Muhammad Bin Asad Introduction Approach A small cluster (subcluster) approaches a Cold fronts (CF) Definition massive (main) cluster core and both its DM Gas sloshing and gas peak move towards the subcluster. Radio Mini-halos Characteristics Direction After the core passage of the subcluster Origin Data analysis direction of this motion quickly changes. Data preparation Data analysis Slingshot Due to a drop of ram pressure gas peak is set Jump modelling off from the DM peak in a slingshot. Results Observations MS 1455.0+2232 Fallback The cool-dense gas falls back towards the DM RX J1720.1+2638 RXC J1504.1-0248 peak against ram pressure of the upward RX J1347-1145 Abell 2029 flowing gas. Abell 1835 Conclusions Sloshing Gas sloshing begins and gives rise to CFs on opposite sides w.r.t. the cluster center.
- 5. Master thesis defence Khan Muhammad Bin Asad Introduction Cold fronts (CF) Definition Gas sloshing Radio Mini-halos Characteristics Origin Data analysis Data preparation Data analysis Jump modelling Results Observations MS 1455.0+2232 RX J1720.1+2638 RXC J1504.1-0248 RX J1347-1145 Abell 2029 Abell 1835 Conclusions Figure: From Ascasibar & Markevitch (2006)
- 6. Master thesis defence Khan Muhammad Bin Asad Introduction Cold fronts (CF) Definition Gas sloshing Radio Mini-halos Characteristics Origin Data analysis Data preparation Data analysis Jump modelling Results Observations MS 1455.0+2232 RX J1720.1+2638 RXC J1504.1-0248 RX J1347-1145 Abell 2029 Abell 1835 Conclusions Figure: From Ascasibar & Markevitch (2006)
- 7. Master thesis defence Khan Muhammad Bin Asad Introduction Cold fronts (CF) Definition Gas sloshing Radio Mini-halos Characteristics Origin Data analysis Data preparation Data analysis Jump modelling Results Observations MS 1455.0+2232 RX J1720.1+2638 RXC J1504.1-0248 RX J1347-1145 Abell 2029 Abell 1835 Conclusions Figure: From Ascasibar & Markevitch (2006)
- 8. Master thesis defence Khan Muhammad Bin Asad Introduction Cold fronts (CF) Definition Gas sloshing Radio Mini-halos Characteristics Origin Data analysis Data preparation Data analysis Jump modelling Results Observations MS 1455.0+2232 RX J1720.1+2638 RXC J1504.1-0248 RX J1347-1145 Abell 2029 Abell 1835 Conclusions Figure: From Ascasibar & Markevitch (2006)
- 9. Master thesis defence Khan Muhammad Bin Asad Introduction Cold fronts (CF) Definition Gas sloshing Radio Mini-halos Characteristics Origin Data analysis Data preparation Data analysis Jump modelling Results Observations MS 1455.0+2232 RX J1720.1+2638 RXC J1504.1-0248 RX J1347-1145 Abell 2029 Abell 1835 Conclusions Figure: From Ascasibar & Markevitch (2006)
- 10. Master thesis defence Khan Muhammad Bin Asad Introduction Cold fronts (CF) Definition Gas sloshing Radio Mini-halos Characteristics Origin Data analysis Data preparation Data analysis Jump modelling Results Observations MS 1455.0+2232 RX J1720.1+2638 RXC J1504.1-0248 RX J1347-1145 Abell 2029 Abell 1835 Conclusions Figure: From Ascasibar & Markevitch (2006)
- 11. Master thesis Characteristics of Radio Mini-halos defence Khan Muhammad Bin Asad Introduction Cold fronts (CF) Hosts Found around powerful radio galaxies at the Definition Gas sloshing centre of cool-core clusters. Radio Mini-halos Characteristics Size Comparable to the cooling region of the Origin clusters, r ∼ 100 − 300 kpc. Data analysis Data preparation Data analysis Spectra Steep power-law characteristic of synchrotron Jump modelling emission. Results Observations Number So far only 10 confirmed detections MS 1455.0+2232 RX J1720.1+2638 (Giacintucci et al., 2011; Zuhone et al., 2012). RXC J1504.1-0248 RX J1347-1145 Abell 2029 Observation Comparatively higher resolution and sensitivity Abell 1835 needed to observe. Conclusions
- 12. Master thesis Contours of a typical Mini-halo defence Khan Muhammad Bin Asad Introduction Cold fronts (CF) Definition Gas sloshing Radio Mini-halos Characteristics Origin Data analysis Data preparation Data analysis Jump modelling Results Observations MS 1455.0+2232 RX J1720.1+2638 RXC J1504.1-0248 RX J1347-1145 Abell 2029 Abell 1835 Conclusions Figure: VLA 1.5 GHz radio contours of the MH overlaid on the SDSS r-band optical image of the cluster RX J1720.1+2638.
- 13. Master thesis Origin of Mini-halos defence Khan Muhammad Bin Asad Introduction Merger Cannot originate from major mergers as they Cold fronts (CF) Definition would disrupt the cooling regions. Gas sloshing Radio Mini-halos Acceleration Re-acceleration of relic electrons injected into Characteristics the ICM by previous and ongoing AGN Origin Data analysis activities. Data preparation Data analysis Sloshing The re-acceleration can be induced by the gas Jump modelling Results sloshing (Mazzotta & Giacintucci, 2008). Observations MS 1455.0+2232 Simulation Sloshing CFs can be associated with radio RX J1720.1+2638 RXC J1504.1-0248 emission for two effects: re-acceleration of RX J1347-1145 Abell 2029 electrons and amplification of magnetic fields Abell 1835 by shear flows associated with CFs (Zuhone et Conclusions al., 2012).
- 14. Master thesis X-ray data preparation defence Khan Muhammad Bin Asad Introduction Data Photon energy and its location on the detector Cold fronts (CF) surface for various photon events. Definition Gas sloshing Filtering Spatially resolved X-ray emitting galaxies and Radio Mini-halos solar flares are detected and removed using Characteristics Origin spatial and temporal wavelet analysis, Data analysis Data preparation respectively (Bourdin & Mazzotta, 2008). Data analysis Jump modelling Sampling The events are grouped and sampled in both Results position (sky coordinate grids) and energy. Observations MS 1455.0+2232 RX J1720.1+2638 Exposure Local effective exposure calculated and RXC J1504.1-0248 RX J1347-1145 sampled similarly. Abell 2029 Abell 1835 Background Cosmic X-ray background, cosmic-ray induced Conclusions particle background and CCD readout noise modelled and sampled similarly.
- 15. Master thesis ICM temperature mapping defence Khan Muhammad Bin Asad Sampling FOV sampled using square grids following a Introduction dyadic scheme. Cold fronts (CF) Definition Estimation Local gas temperature (T ) and its fluctuation Gas sloshing Radio Mini-halos (σT ) estimated by fitting spectral model within Characteristics Origin each pixel of the different grids. Data analysis Filtering Temperature, T (k, l, j) and noise expectation Data preparation Data analysis maps, σT (k, l, j) filtered using high-pass Jump modelling Results analysis filters → temperature variations coded Observations as wavelet coefficients. MS 1455.0+2232 RX J1720.1+2638 RXC J1504.1-0248 Thresholding Significant temperature structures detected as RX J1347-1145 Abell 2029 wavelet coefficients overcoming the threshold, Abell 1835 i.e. the 3σ level. Conclusions Addition of thresholded coefficients gives reconstructed map (Bourdin & Mazzotta, 2008).
- 16. Master thesis ICM brightness mapping defence Khan Muhammad Bin Asad Introduction Cold fronts (CF) Definition Gas sloshing Radio Mini-halos Characteristics Origin Data analysis Data preparation Data analysis Jump modelling Estimation Local brightness of each pixel estimated from a Results brightness model. Observations MS 1455.0+2232 RX J1720.1+2638 Denoising iteratively in the scale-space by joint MSVST RXC J1504.1-0248 RX J1347-1145 and curvelet analysis (Starck et al., 2009; Abell 2029 Abell 1835 Zhang et al., 2008). Conclusions Coefficients Sum of MSVST curvelet coefficients (discarding the final smoothed image) gives very smooth brightness map.
- 17. Master thesis Cold front modelling defence Khan Muhammad Bin Asad Introduction Cold fronts (CF) Function CFs are modelled by simple analytic functions Definition Gas sloshing for 3D electron density and temperature, both Radio Mini-halos with a discontinuity at the front. Characteristics Origin Projection Assuming spherical symmetry the 3D Data analysis distributions are projected to obtain surface Data preparation Data analysis brightness and temperature profiles. Jump modelling Results Fitting The projected profiles are fitted with the Observations MS 1455.0+2232 observed ones. RX J1720.1+2638 RXC J1504.1-0248 RX J1347-1145 Jump The jump radius for every CF calculated from Abell 2029 Abell 1835 the best-fit model (MG08; Bourdin & Conclusions Mazzotta, 2008).
- 18. Master thesis Observations defence Khan Muhammad Bin Asad Introduction Cold fronts (CF) Definition Gas sloshing Radio Mini-halos Characteristics Origin Data analysis Data preparation Data analysis Jump modelling Results Observations MS 1455.0+2232 RX J1720.1+2638 Figure: Among the 10 clusters that host MHs we analysed X-ray RXC J1504.1-0248 data of 6 clusters and correlated the X-ray observations with the RX J1347-1145 Abell 2029 corresponding radio observations. Abell 1835 Conclusions
- 19. Master thesis defence 50.0 50.0 a b Khan Muhammad 45 45 Bin Asad 40.0 15.6 30 30 Introduction 15 15 30.0 4.9 Arc Seconds Arc Seconds Cold fronts (CF) 0 0 Definition 20.0 1.5 Gas sloshing -15 -15 Radio Mini-halos -30 -30 10.0 0.5 Characteristics Origin -45 -45 45 30 15 0 -15 -30 -45 0.0 45 30 15 0 -15 -30 -45 0.1 Data analysis Arc Seconds Arc Seconds Data preparation Center: R.A. 14 57 15.23 Dec + 20 35.0 22 Center: R.A. 14 57 15.23 Dec + 20 35.0 22 0.9 Data analysis 45 c d Jump modelling 30 -0.1 Results Observations 15 MS 1455.0+2232 -1.1 RX J1720.1+2638 Arc Seconds 0 RXC J1504.1-0248 RX J1347-1145 -2.0 -15 Abell 2029 Abell 1835 -30 -3.0 Conclusions -45 -4.0 45 30 15 0 -15 -30 -45 Arc Seconds Center: R.A. 14 57 15.23 Dec + 20 35.0 22
- 20. Master thesis North-East CF of MS1455 defence Khan Muhammad Bin Asad Introduction Cold fronts (CF) Definition Gas sloshing Radio Mini-halos Characteristics Origin Data analysis Data preparation Data analysis Jump modelling Results Observations MS 1455.0+2232 RX J1720.1+2638 RXC J1504.1-0248 RX J1347-1145 Abell 2029 Abell 1835 Conclusions Jump radius, rj ≈ 150 kpc
- 21. Master thesis South-West CF of MS1455 defence Khan Muhammad Bin Asad Introduction Cold fronts (CF) Definition Gas sloshing Radio Mini-halos Characteristics Origin Data analysis Data preparation Data analysis Jump modelling Results Observations MS 1455.0+2232 RX J1720.1+2638 RXC J1504.1-0248 RX J1347-1145 Abell 2029 Abell 1835 Conclusions Jump radius, rj ≈ 55 kpc
- 22. Master thesis defence 35.5 50.0 a b Khan Muhammad 60 60 Bin Asad 28.4 14.4 30 30 Introduction 21.2 4.2 Arc Seconds Arc Seconds Cold fronts (CF) 0 0 Definition 14.1 1.2 Gas sloshing -30 -30 Radio Mini-halos 7.0 0.3 Characteristics -60 -60 Origin 60 30 0 -30 -60 -0.2 60 30 0 -30 -60 0.1 Data analysis Arc Seconds Arc Seconds Data preparation Center: R.A. 17 20 09.90 Dec + 37 29.3 26 Center: R.A. 17 20 09.90 Dec + 37 29.3 26 0.4 Data analysis c d Jump modelling 60 0.0 Results Observations 30 MS 1455.0+2232 -0.4 Arc Seconds RX J1720.1+2638 0 RXC J1504.1-0248 -0.7 RX J1347-1145 -30 Abell 2029 Abell 1835 -1.1 -60 Conclusions -1.5 60 30 0 -30 -60 Arc Seconds Center: R.A. 17 20 09.90 Dec + 37 29.3 26
- 23. Master thesis North-West CF of R1720 defence Khan Muhammad Bin Asad Introduction Cold fronts (CF) Definition Gas sloshing Radio Mini-halos Characteristics Origin Data analysis Data preparation Data analysis Jump modelling Results Observations MS 1455.0+2232 RX J1720.1+2638 RXC J1504.1-0248 RX J1347-1145 Abell 2029 Abell 1835 Conclusions Jump radius, rj ≈ 70 kpc
- 24. Master thesis South-East CF of R1720 defence Khan Muhammad Bin Asad Introduction Cold fronts (CF) Definition Gas sloshing Radio Mini-halos Characteristics Origin Data analysis Data preparation Data analysis Jump modelling Results Observations MS 1455.0+2232 RX J1720.1+2638 RXC J1504.1-0248 RX J1347-1145 Abell 2029 Abell 1835 Conclusions Jump radius, rj ≈ 190 kpc
- 25. Master thesis Observations of MG08 defence Khan Muhammad Bin Asad Introduction Cold fronts (CF) Definition Gas sloshing Radio Mini-halos Characteristics Origin Data analysis Data preparation Data analysis Jump modelling Results Observations MS 1455.0+2232 RX J1720.1+2638 RXC J1504.1-0248 RX J1347-1145 Abell 2029 Abell 1835 Conclusions Figure: Upper panels: MS1455 and lower panels: R1720. From Mazzotta & Giacintucci (2008, MG08)
- 26. Master thesis defence 60 100.0 60 200.0 a b Khan Muhammad Bin Asad 80.0 50.2 30 30 Introduction 60.0 12.6 Arc Seconds Arc Seconds Cold fronts (CF) 0 0 Definition 40.0 3.2 Gas sloshing -30 -30 Radio Mini-halos 20.0 0.8 Characteristics Origin -60 0.2 -60 60 30 0 -30 -60 0.0 60 30 0 -30 -60 Data analysis Arc Seconds Arc Seconds Center: R.A. 15 04 07.63 Dec -02 48 17.0 Center: R.A. 15 04 07.63 Dec -02 48 17.0 Data preparation 60 1.5 Data analysis c d Jump modelling -0.1 Results 30 Observations MS 1455.0+2232 -1.8 Arc Seconds RX J1720.1+2638 0 RXC J1504.1-0248 -3.4 RX J1347-1145 Abell 2029 Abell 1835 -30 -5.1 Conclusions -60 -6.7 60 30 0 -30 -60 Arc Seconds Center: R.A. 15 04 07.63 Dec -02 48 17.0
- 27. Master thesis North-West CF of R1504 defence Khan Muhammad Bin Asad Introduction Cold fronts (CF) Definition Gas sloshing Radio Mini-halos Characteristics Origin Data analysis Data preparation Data analysis Jump modelling Results Observations MS 1455.0+2232 RX J1720.1+2638 RXC J1504.1-0248 RX J1347-1145 Abell 2029 Abell 1835 Conclusions Jump radius, rj ≈ 60 kpc
- 28. Master thesis South-East CF of R1504 defence Khan Muhammad Bin Asad Introduction Cold fronts (CF) Definition Gas sloshing Radio Mini-halos Characteristics Origin Data analysis Data preparation Data analysis Jump modelling Results Observations MS 1455.0+2232 RX J1720.1+2638 RXC J1504.1-0248 RX J1347-1145 Abell 2029 Abell 1835 Conclusions Jump radius, rj ≈ 45 kpc
- 29. Master thesis defence 164.0 100.0 30 a 30 b Khan Muhammad Bin Asad 131.2 28.9 20 20 Introduction 10 10 98.4 8.3 Arc Seconds Arc Seconds Cold fronts (CF) 0 0 Definition 65.6 2.4 Gas sloshing -10 -10 Radio Mini-halos -20 -20 32.8 0.7 Characteristics Origin -30 -30 0.0 0.2 Data analysis 30 20 10 0 -10 -20 -30 30 20 10 0 -10 -20 -30 Arc Seconds Arc Seconds Data preparation Center: R.A. 13 47 30.66 Dec -11 45 09.9 Center: R.A. 13 47 30.66 Dec -11 45 09.9 1.5 Data analysis 30 c d Jump modelling 20 -0.3 Results Observations 10 MS 1455.0+2232 -2.1 Arc Seconds RX J1720.1+2638 0 RXC J1504.1-0248 RX J1347-1145 -4.0 -10 Abell 2029 Abell 1835 -20 -5.8 Conclusions -30 -7.6 30 20 10 0 -10 -20 -30 Arc Seconds Center: R.A. 13 47 30.66 Dec -11 45 09.9
- 30. Master thesis Eastern CF of R1347 defence Khan Muhammad Bin Asad Introduction Cold fronts (CF) Definition Gas sloshing Radio Mini-halos Characteristics Origin Data analysis Data preparation Data analysis Jump modelling Results Observations MS 1455.0+2232 RX J1720.1+2638 RXC J1504.1-0248 RX J1347-1145 Abell 2029 Abell 1835 Conclusions Jump radius, rj ≈ 90 kpc
- 31. Master thesis Western CF of R1347 defence Khan Muhammad Bin Asad Introduction Cold fronts (CF) Definition Gas sloshing Radio Mini-halos Characteristics Origin Data analysis Data preparation Data analysis Jump modelling Results Observations MS 1455.0+2232 RX J1720.1+2638 RXC J1504.1-0248 RX J1347-1145 Abell 2029 Abell 1835 Conclusions Jump radius, rj ≈ 40 kpc
- 32. Master thesis South-East shock front defence Khan Muhammad Bin Asad Introduction Cold fronts (CF) Definition Gas sloshing Radio Mini-halos Characteristics Origin Data analysis Data preparation Data analysis Jump modelling Results Observations MS 1455.0+2232 RX J1720.1+2638 RXC J1504.1-0248 RX J1347-1145 0.01 0.02 0.03 Abell 2029 Abell 1835 Figure: Discovery of the correspondence between intra-cluster Conclusions radio emission and a high pressure region detected through the Sunyaev-Zel’dovich effect (Ferrari et al., 2011, A&A 534, L12).
- 33. Master thesis defence a d Khan Muhammad Bin Asad Introduction Cold fronts (CF) Definition Gas sloshing Radio Mini-halos b Characteristics Origin Data analysis Data preparation Data analysis 50.0 19.3 Jump modelling b c Results 14.4 15.1 Observations MS 1455.0+2232 RX J1720.1+2638 4.2 10.8 RXC J1504.1-0248 RX J1347-1145 Abell 2029 1.2 6.6 Abell 1835 Conclusions 0.3 2.3 0.1 -2.0
- 34. Master thesis North-West CF of A2029 defence Khan Muhammad Bin Asad Introduction Cold fronts (CF) Definition Gas sloshing Radio Mini-halos Characteristics Origin Data analysis Data preparation Data analysis Jump modelling Results Observations MS 1455.0+2232 RX J1720.1+2638 RXC J1504.1-0248 RX J1347-1145 Abell 2029 Abell 1835 Conclusions Jump radius, rj ≈ 110 kpc
- 35. Master thesis Eastern CF of A2029 defence Khan Muhammad Bin Asad Introduction Cold fronts (CF) Definition Gas sloshing Radio Mini-halos Characteristics Origin Data analysis Data preparation Data analysis Jump modelling Results Observations MS 1455.0+2232 RX J1720.1+2638 RXC J1504.1-0248 RX J1347-1145 Abell 2029 Abell 1835 Conclusions Jump radius, rj ≈ 85 kpc
- 36. Master thesis defence 200.0 200.0 60 a 60 b Khan Muhammad Bin Asad 160.0 43.7 30 30 Introduction 120.0 9.6 Arc Seconds Arc Seconds Cold fronts (CF) 0 0 Definition 80.0 2.1 Gas sloshing -30 -30 Radio Mini-halos 40.0 0.5 Characteristics -60 -60 Origin 60 30 0 -30 -60 0.0 60 30 0 -30 -60 0.1 Data analysis Arc Seconds Arc Seconds Center: R.A. 14 01 01.94 Dec + 52 43.2 02 Center: R.A. 14 01 01.94 Dec + 52 43.2 02 Data preparation 2.0 Data analysis 60 c d Jump modelling 0.0 Results 30 Observations MS 1455.0+2232 -2.0 Arc Seconds RX J1720.1+2638 0 RXC J1504.1-0248 -3.9 RX J1347-1145 Abell 2029 -30 Abell 1835 -5.9 Conclusions -60 -7.9 60 30 0 -30 -60 Arc Seconds Center: R.A. 14 01 01.94 Dec + 52 43.2 02
- 37. Master thesis North-West CF of A1835 defence Khan Muhammad Bin Asad Introduction Cold fronts (CF) Definition Gas sloshing Radio Mini-halos Characteristics Origin Data analysis Data preparation Data analysis Jump modelling Results Observations MS 1455.0+2232 RX J1720.1+2638 RXC J1504.1-0248 RX J1347-1145 Abell 2029 Abell 1835 Conclusions Jump radius, rj ≈ 55 kpc
- 38. Master thesis North-East CF of A1835 defence Khan Muhammad Bin Asad Introduction Cold fronts (CF) Definition Gas sloshing Radio Mini-halos Characteristics Origin Data analysis Data preparation Data analysis Jump modelling Results Observations MS 1455.0+2232 RX J1720.1+2638 RXC J1504.1-0248 RX J1347-1145 Abell 2029 Abell 1835 Conclusions Jump radius, rj ≈ 50 kpc
- 39. Master thesis Conclusions defence Khan Muhammad Bin Asad Introduction MG08 Our observations of MS1455 and R1720 agree Cold fronts (CF) with that of MG08. Definition Gas sloshing R1504 Some portion of the MH confined within the Radio Mini-halos CFs. Better radio observations needed. Characteristics Origin R1347 MH delimited by the CFs. SE elongation due Data analysis Data preparation to the propagation of a shock front. Data analysis Jump modelling A2029 MH is extended beyond the CFs but spatially Results Observations correlated with the sloshing gas. MS 1455.0+2232 RX J1720.1+2638 A1835 CFs in an early stage. MH extended beyond RXC J1504.1-0248 RX J1347-1145 the CFs, better radio observations needed. Abell 2029 Abell 1835 Conclusion Radio emitting particles in MHs can be Conclusions re-accelerated by the turbulence induced by the intergalactic gas sloshing.