Magnetic fields, relativistic particles, and shock waves in cluster outskirts

Space Science Reviews

Volumn 166, Issue 1-4, 2012, Pages 187-213

  Brüggen, Marcus ^a   Bykov, Andrei ^b   Ryu, Dongsu ^c   Röttgering, Huub ^d  

^a JACOBS UNIVERSITY BREMEN   (Germany)

^b IOFFE INSTITUTE   (Russian Federation)

^c Chungnam National University   (South Korea)

^d LEIDEN UNIVERSITY   (Netherlands)

Author keywords

Cosmic rays; Galaxy clusters; Magnetic fields

Indexed keywords

EXTREME ENVIRONMENT; GALAXY CLUSTERS; HIGH RESOLUTION; LOW-FREQUENCY RADIO TELESCOPES; MAGNETIC FIELD STRENGTHS; MICROPHYSICAL STRUCTURE; PARTICLE ACCELERATION; PLASMA PHYSICS; RADIO EMISSION; RELATIVISTIC PARTICLES; SHOCK FRONTS; SURFACE BRIGHTNESS; X RAY SATELLITES; X-RAY OBSERVATIONS;

COSMIC RAYS; GALAXIES; OPTICAL TELESCOPES; RELATIVITY; SHOCK WAVES;

MAGNETIC FIELDS;

EID: 84860741710     PISSN: 00386308     EISSN: 15729672     Source Type: Journal    
DOI: 10.1007/s11214-011-9785-9     Document Type: Review

References (124)

1. A. Achterberg Y.A. Gallant J.G. Kirk A.W. Guthmann 2001 Particle acceleration by ultrarelativistic shocks: theory and simulations Mon. Not. R. Astron. Soc. 328 393 408 10.1046/j.1365-8711.2001.04851.x 2001MNRAS.328..393A
2. M. Ackermann M. Ajello A. Allafort L. Baldini J. Ballet G. Barbiellini D. Bastieri K. Bechtol R. Bellazzini R.D. Blandford P. Blasi E.D. Bloom E. Bonamente 2010 GeV gamma-ray flux upper limits from clusters of galaxies Astrophys. J. Lett. 717 71 78 10.1088/2041-8205/717/1/L71 2010ApJ...717L..71A
3. F. Aharonian A.G. Akhperjanian G. Anton U. Barres de Almeida A.R. Bazer-Bachi Y. Becherini B. Behera K. Bernlöhr C. Boisson A. Bochow V. Borrel E. Brion J. Brucker P. Brun R. Bühler T. Bulik I. Büsching T. Boutelier P.M. Chadwick A. Charbonnier R.C.G. Chaves A. Cheesebrough 2009 Constraints on the multi-TeV particle population in the Coma galaxy cluster with HESS observations Astron. Astrophys. 502 437 443 10.1051/0004-6361/200912086 2009A&A...502..437A
4. M. Ajello P. Rebusco N. Cappelluti O. Reimer H. Böhringer J. Greiner N. Gehrels J. Tueller A. Moretti 2009 Galaxy clusters in the Swift/Burst alert telescope era: hard X-rays in the intracluster medium Astrophys. J. 690 367 388 10.1088/0004-637X/690/1/367 2009ApJ...690..367A
5. E. Amato P. Blasi 2006 Non-linear particle acceleration at non-relativistic shock waves in the presence of self-generated turbulence Mon. Not. R. Astron. Soc. 371 1251 1258 10.1111/j.1365-2966.2006.10739.x 2006MNRAS.371.1251A
6. W.I. Axford, E. Leer, G. Skadron, The acceleration of cosmic rays by shock waves, in International Cosmic Ray Conference. International Cosmic Ray Conference, vol. 11 (1977), p. 132
7. J. Bagchi F. Durret G.B.L. Neto S. Paul 2006 Giant ringlike radio structures around galaxy cluster Abell 3376 Science 314 791 794 10.1126/science.1131189 2006Sci...314..791B
8. N. Battaglia C. Pfrommer J.L. Sievers J.R. Bond T.A. Enlin 2009 Exploring the magnetized cosmic web through low-frequency radio emission Mon. Not. R. Astron. Soc. 393 1073 1089 10.1111/j.1365-2966.2008.14136.x 2009MNRAS.393.1073B
9. 200 Publ. Astron. Soc. Jpn. 61 1117 2009PASJ...61.1117B
10. A.R. Bell 1978 The acceleration of cosmic rays in shock fronts. I Mon. Not. R. Astron. Soc. 182 147 156 1978MNRAS.182..147B
11. A.R. Bell 1978 The acceleration of cosmic rays in shock fronts. II Mon. Not. R. Astron. Soc. 182 443 455 1978MNRAS.182..443B
12. A.R. Bell 2004 Turbulent amplification of magnetic field and diffusive shock acceleration of cosmic rays Mon. Not. R. Astron. Soc. 353 550 558 10.1111/j.1365-2966.2004.08097.x 2004MNRAS.353..550B
13. A.R. Bell S.G. Lucek 2001 Cosmic ray acceleration to very high energy through the non-linear amplification by cosmic rays of the seed magnetic field Mon. Not. R. Astron. Soc. 321 433 438 10.1046/j.1365-8711.2001.04063.x 2001MNRAS.321..433B
14. E. Belsole J. Sauvageot G.W. Pratt H. Bourdin 2005 Merging clusters of galaxies observed with XMM-Newton Adv. Space Res. 36 630 635 10.1016/j.asr.2005.01.029 2005AdSpR..36..630B
15. E.W. Bertschinger, Nonlinear growth of perturbations in an Einstein-De Sitter cosmology. PhD thesis, Princeton University, NJ (1984)
16. R. Blandford D. Eichler 1987 Particle acceleration at astrophysical shocks-A theory of cosmic-ray origin Phys. Rep. 154 1 10.1016/0370-1573(87) 90134-7 1987PhR...154....1B
17. R.D. Blandford J.P. Ostriker 1978 Particle acceleration by astrophysical shocks Astrophys. J. Lett. 221 29 32 10.1086/182658 1978ApJ...221L..29B
18. H. Böhringer N. Werner 2010 X-ray spectroscopy of galaxy clusters: studying astrophysical processes in the largest celestial laboratories Astron. Astrophys. Rev. 18 127 196 10.1007/s00159-009-0023-3 2010A&ARv..18..127B
19. A. Bonafede G. Giovannini L. Feretti F. Govoni M. Murgia 2009 Double relics in Abell 2345 and Abell 1240. Spectral index and polarization analysis Astron. Astrophys. 494 429 442 10.1051/0004-6361:200810588 2009A&A...494.. 429B
20. S. Borgani, A. Kravtsov, Cosmological Simulations of Galaxy Clusters (2009)
21. S. Borgani A. Diaferio K. Dolag S. Schindler 2008 Thermodynamical properties of the ICM from hydrodynamical simulations Space Sci. Rev. 134 269 293 10.1007/s11214-008-9317-4 2008SSRv..134..269B
22. M. Brüggen S. Heinz E. Roediger M. Ruszkowski A. Simionescu 2007 Shock heating by Fanaroff-Riley type I radio sources in galaxy clusters Mon. Not. R. Astron. Soc. 380 67 70 10.1111/j.1745-3933.2007.00351.x 2007MNRAS.380L..67B
23. G. Brunetti A. Lazarian 2011 Acceleration of primary and secondary particles in galaxy clusters by compressible MHD turbulence: from radio haloes to gamma-rays Mon. Not. R. Astron. Soc. 410 127 142 10.1111/j.1365-2966.2010. 17457.x 2011MNRAS.410..127B
24. G. Brunetti P. Blasi R. Cassano S. Gabici 2009 High energy emission from galaxy clusters and particle acceleration due to MHD turbulence D. Bastieri R. Rando (eds) American Institute of Physics Conference Series American Institute of Physics Conference Series 1112 129 137 10.1063/1.3125773
25. G. Brunetti, P. Blasi, R. Cassano, S. Gabici, High energy emission from galaxy clusters and particle acceleration due to MHD turbulence, in American Institute of Physics Conference Series, ed. by D. Bastieri, R. Rando. American Institute of Physics Conference Series, vol. 1112 (2009), pp. 129-137. doi: 10.1063/1.3125773
26. X T scalings Adv. Space Res. 36 738 746 10.1016/j.asr.2005.01.052 2005AdSpR..36..738B
27. A.M. Bykov Y.A. Uvarov 1999 Electron kinetics in collisionless shock waves J. Exp. Theor. Phys. 88 465 475 1999JETP...88..465B
28. A.M. Bykov K. Dolag F. Durret 2008 Cosmological shock waves Space Sci. Rev. 134 119 140 10.1007/s11214-008-9312-9 2008SSRv..134..119B
29. A.M. Bykov S.M. Osipov D.C. Ellison 2011 Cosmic ray current driven turbulence in shocks with efficient particle acceleration: the oblique, long-wavelength mode instability Mon. Not. R. Astron. Soc. 410 39 52 10.1111/j.1365-2966.2010.17421.x 2011MNRAS.410...39B
30. A.M. Bykov F.B.S. Paerels V. Petrosian 2008 Equilibration processes in the warm-hot intergalactic medium Space Sci. Rev. 134 141 153 10.1007/s11214-008-9309-4 2008SSRv..134..141B
31. A. Cattaneo S.M. Faber J. Binney A. Dekel J. Kormendy R. Mushotzky A. Babul P.N. Best M. Brüggen A.C. Fabian C.S. Frenk A. Khalatyan H. Netzer A. Mahdavi J. Silk M. Steinmetz L. Wisotzki 2009 The role of black holes in galaxy formation and evolution Nature 460 213 219 10.1038/nature08135 2009Natur.460..213C
32. E. Churazov W. Forman C. Jones R. Sunyaev H. Böhringer 2004 XMM-Newton observations of the Perseus cluster-II. Evidence for gas motions in the core Mon. Not. R. Astron. Soc. 347 29 35 10.1111/j.1365-2966.2004.07201.x 2004MNRAS.347...29C
33. K. Dolag A.M. Bykov A. Diaferio 2008 Non-thermal processes in cosmological simulations Space Sci. Rev. 134 311 335 10.1007/s11214-008-9319-2 2008SSRv..134..311D
34. L.O. Drury 1983 An introduction to the theory of diffusive shock acceleration of energetic particles in tenuous plasmas Rep. Prog. Phys. 46 973 1027 10.1088/0034-4885/46/8/002 1983RPPh...46..973D
35. F. Durret J.S. Kaastra J. Nevalainen T. Ohashi N. Werner 2008 Soft X-ray and extreme ultraviolet excess emission from clusters of galaxies Space Sci. Rev. 134 51 70 10.1007/s11214-008-9313-8 2008SSRv..134...51D
36. D.C. Ellison G.P. Double 2004 Diffusive shock acceleration in unmodified relativistic, oblique shocks Astropart. Phys. 22 323 338 10.1016/j. astropartphys.2004.08.005 2004APh....22..323E
37. S. Ettori, S. Molendi, X-Ray Observations of Cluster Outskirts: Current Status and Future Prospects (2010)
38. L. Feretti H. Boehringer G. Giovannini D. Neumann 1997 The radio and X-ray properties of Abell 2255 Astron. Astrophys. 317 432 440 1997A&A...317..432F
39. C. Ferrari F. Govoni S. Schindler A.M. Bykov Y. Rephaeli 2008 Observations of extended radio emission in clusters Space Sci. Rev. 134 93 118 10.1007/s11214-008-9311-x 2008SSRv..134...93F
40. A. Finoguenov C.L. Sarazin K. Nakazawa D.R. Wik T.E. Clarke 2010 XMM-Newton observation of the northwest radio relic region in A3667 Astrophys. J. 715 1143 1151 10.1088/0004-637X/715/2/1143 2010ApJ...715.1143F
41. D.C. Fox A. Loeb 1997 Do the electrons and ions in X-ray clusters share the same temperature? Astrophys. J. 491 459 466 10.1086/305007 1997ApJ...491..459F
42. S.R. Furlanetto A. Loeb 2001 Intergalactic magnetic fields from quasar outflows Astrophys. J. 556 619 634 2001ApJ...556..619F
43. S. Gabici P. Blasi 2003 Nonthermal radiation from clusters of galaxies: the role of merger shocks in particle acceleration Astrophys. J. 583 695 705 10.1086/345429 2003ApJ...583..695G
44. M.R. George A.C. Fabian J.S. Sanders A.J. Young H.R. Russell 2009 X-ray observations of the galaxy cluster PKS0745-191: to the virial radius, and beyond Mon. Not. R. Astron. Soc. 395 657 666 10.1111/j.1365-2966.2009.14547.x 2009MNRAS.395..657G
45. S. Giacintucci T. Venturi G. Macario D. Dallacasa G. Brunetti M. Markevitch R. Cassano S. Bardelli R. Athreya 2008 Shock acceleration as origin of the radio relic in A 521? Astron. Astrophys. 486 347 358 10.1051/0004-6361: 200809459 2008A&A...486..347G
46. G. Giovannini L. Feretti C. Stanghellini 1991 The Coma cluster radio source 1253 + 275, revisited Astron. Astrophys. 252 528 537 1991A&A...252.. 528G
47. G. Giovannini A. Bonafede L. Feretti F. Govoni M. Murgia 2010 The diffuse radio filament in the merging system ZwCl 2341.1+0000 Astron. Astrophys. 511 5 10.1051/0004-6361/200913983 2010A&A...511L...5G
48. F. Govoni L. Feretti G. Giovannini H. Böhringer T.H. Reiprich M. Murgia 2001 Radio and X-ray diffuse emission in six clusters of galaxies Astron. Astrophys. 376 803 819 10.1051/0004-6361:20011016 2001A&A...376..803G
49. M. Hoeft M. Brüggen 2007 Radio signature of cosmological structure formation shocks Mon. Not. R. Astron. Soc. 375 77 91 10.1111/j.1365-2966.2006. 11111.x 2007MNRAS.375...77H
50. M. Hoeft M. Brüggen G. Yepes S. Gottlöber A. Schwope 2008 Diffuse radio emission from clusters in the MareNostrum Universe simulation Mon. Not. R. Astron. Soc. 391 1511 1526 10.1111/j.1365-2966.2008.13955.x 2008MNRAS.391.1511H
51. F.C. Jones D.C. Ellison 1991 The plasma physics of shock acceleration Space Sci. Rev. 58 259 346 10.1007/BF01206003 1991SSRv...58..259J
52. H. Kang T.W. Jones 2007 Self-similar evolution of cosmic-ray-modified quasi-parallel plane shocks Astropart. Phys. 28 232 246 10.1016/j.astropartphys. 2007.05.007 2007APh....28..232K
53. H. Kang D. Ryu 2010 Diffusive shock acceleration in test-particle regime Astrophys. J. 721 886 2010ApJ...721..886K
54. H. Kang D. Ryu T.W. Jones 1996 Cluster accretion shocks as possible acceleration sites for ultra-high-energy protons below the Greisen cutoff Astrophys. J. 456 422 10.1086/176666 1996ApJ...456..422K
55. H. Kang T.W. Jones U.D.J. Gieseler 2002 Numerical studies of CR injection Astrophys. J. 579 337 2002ApJ...579..337K
56. H. Kang D. Ryu T.W. Jones 2009 Self-similar evolution of cosmic-ray modified shocks: the cosmic-ray spectrum Astrophys. J. 695 1273 1288 10.1088/0004-637X/695/2/1273 2009ApJ...695.1273K
57. H. Kang D. Ryu R. Cen J.P. Ostriker 2007 Cosmological shock waves in the large-scale structure of the Universe: nongravitational effects Astrophys. J. 669 729 740 10.1086/521717 2007ApJ...669..729K
58. T.N. Kato, H. Takabe, Nonrelativistic collisionless shocks in weakly magnetized electron-ion plasmas: two-dimensional particle-in-cell simulation of perpendicular shock (2010)
59. J.C. Kempner, E.L. Blanton, T.E. Clarke, T.A. Enlin, M. Johnston-Hollitt, L. Rudnick, Conference note: a taxonomy of extended radio sources in clusters of galaxies, in The Riddle of Cooling Flows in Galaxies and Clusters of Galaxies, ed. by T. Reiprich, J. Kempner, N. Soker (2004), p. 335
60. U. Keshet E. Waxman 2005 Energy spectrum of particles accelerated in relativistic collisionless shocks Phys. Rev. Lett. 94 11 111102 10.1103/PhysRevLett.94.111102 2005PhRvL..94k1102K
61. U. Keshet E. Waxman A. Loeb V. Springel L. Hernquist 2003 Gamma rays from intergalactic shocks Astrophys. J. 585 128 150 10.1086/345946 2003ApJ...585..128K
62. R.A. Krivonos A.A. Vikhlinin M.L. Markevitch M.N. Pavlinsky 2003 A possible shock wave in the intergalactic medium of the cluster of galaxies A754 Astron. Lett. 29 425 428 10.1134/1.1589859 2003AstL...29..425K
63. G.F. Krymskii 1977 A regular mechanism for the acceleration of charged particles on the front of a shock wave Dokl. Akad. Nauk SSSR 234 1306 1308 1977DoSSR.234R1306K
64. R.M. Kulsrud R. Cen J.P. Ostriker D. Ryu 1997 The protogalactic origin for cosmic magnetic fields Astrophys. J. 480 481 1997ApJ...480..481K
65. A. Lazarian 2006 Enhancement and suppression of heat transfer by MHD turbulence Astrophys. J. Lett. 645 25 28 10.1086/505796 2006ApJ...645L..25L
66. M. Lueker C.L. Reichardt K.K. Schaffer O. Zahn P.A.R. Ade K.A. Aird B.A. Benson L.E. Bleem J.E. Carlstrom C.L. Chang H. Cho T.M. Crawford A.T. Crites T. de Haan M.A. Dobbs E.M. George N.R. Hall N.W. Halverson G.P. Holder W.L. Holzapfel J.D. Hrubes M. Joy R. Keisler L. Knox A.T. Lee E.M. Leitch J.J. McMahon J. Mehl S.S. Meyer J.J. Mohr T.E. Montroy S. Padin T. Plagge C. Pryke J.E. Ruhl L. Shaw E. Shirokoff H.G. Spieler B. Stalder Z. Staniszewski A.A. Stark K. Vanderlinde J.D. Vieira R. Williamson 2010 Measurements of secondary cosmic microwave background anisotropies with the south pole telescope Astrophys. J. 719 1045 1066 10.1088/0004-637X/719/2/1045 2010ApJ...719.1045L
67. M.A. Malkov L. O'C Drury 2001 Nonlinear theory of diffusive acceleration of particles by shock waves Rep. Prog. Phys. 64 429 481 10.1088/0034-4885/64/4/ 201 2001RPPh...64..429M
68. M. Markevitch 1998 The L X-T relation and temperature function for nearby clusters revisited Astrophys. J. 504 27 10.1086/306080 1998ApJ...504...27M
69. M. Markevitch A. Vikhlinin 2007 Shocks and cold fronts in galaxy clusters Phys. Rep. 443 1 2007PhR...443....1M
70. M. Markevitch A.H. Gonzalez L. David A. Vikhlinin S. Murray W. Forman C. Jones W. Tucker 2002 A textbook example of a bow shock in the merging galaxy cluster 1E 0657-56 Astrophys. J. Lett. 567 27 31 10.1086/339619 2002ApJ...567L..27M
71. M. Markevitch F. Govoni G. Brunetti D. Jerius 2005 Bow shock and radio halo in the merging cluster A520 Astrophys. J. 627 733 738 10.1086/430695 2005ApJ...627..733M
72. M.V. Medvedev L.O. Silva M. Fiore R.A. Fonseca W.B. Mori 2004 Generation of magnetic fields in cosmological shocks J. Korean Astron. Soc. 37 533 541 2004JKAS...37..533M
73. R. Mewe, Ionization of hot plasmas, in NATO ASIC Proc. 300: Physical Processes in Hot Cosmic Plasmas, ed. by W. Brinkmann, A.C. Fabian, F. Giovannelli (1990), pp. 39-65
74. E.T. Million S.W. Allen 2009 Chandra measurements of non-thermal-like X-ray emission from massive, merging, radio halo clusters Mon. Not. R. Astron. Soc. 399 1307 1327 10.1111/j.1365-2966.2009.15359.x 2009MNRAS.399.1307M
75. F. Miniati D. Ryu H. Kang T.W. Jones R. Cen J.P. Ostriker 2000 Properties of cosmic shock waves in large-scale structure formation Astrophys. J. 542 608 621 10.1086/317027 2000ApJ...542..608M
76. F. Miniati D. Ryu H. Kang T.W. Jones 2001 Cosmic-ray protons accelerated at cosmological shocks and their impact on groups and clusters of galaxies Astrophys. J. 559 59 69 10.1086/322375 2001ApJ...559...59M
77. S.M. Molnar N. Hearn Z. Haiman G. Bryan A.E. Evrard G. Lake 2009 Accretion shocks in clusters of galaxies and their SZ signature from cosmological simulations Astrophys. J. 696 1640 1656 10.1088/0004-637X/696/2/ 1640 2009ApJ...696.1640M
78. D. Nagai, E. Lau, Gas Clumping in the Outskirts of Lambda-CDM Clusters (2011)
79. J. Niemiec M. Ostrowski 2004 Cosmic-ray acceleration at relativistic shock waves with a "realistic" magnetic field structure Astrophys. J. 610 851 867 10.1086/421730 2004ApJ...610..851N
80. C.A. Norman D.B. Melrose A. Achterberg 1995 The origin of cosmic rays above 10 18.5 eV Astrophys. J. 454 60 10.1086/176465 1995ApJ...454...60N
81. M.S. Owers W.J. Couch P.E.J. Nulsen 2009 Substructure in the cold front cluster Abell 3667 Astrophys. J. 693 901 2009ApJ...693..901O
82. S. Paul, L. Iapichino, F. Miniati, J. Bagchi, K. Mannheim, Evolution of Shocks and Turbulence in Major Cluster Mergers (2010)
83. V. Petrosian A.M. Bykov 2008 Particle acceleration mechanisms Space Sci. Rev. 134 207 227 10.1007/s11214-008-9315-6 2008SSRv..134..207P
84. V. Petrosian A. Bykov Y. Rephaeli 2008 Nonthermal radiation mechanisms Space Sci. Rev. 134 191 206 10.1007/s11214-008-9327-2 2008SSRv..134..191P
85. C. Pfrommer T.A. Enlin V. Springel M. Jubelgas K. Dolag 2007 Simulating cosmic rays in clusters of galaxies-I. Effects on the Sunyaev-Zel'dovich effect and the X-ray emission Mon. Not. R. Astron. Soc. 378 385 408 10.1111/j.1365-2966.2007.11732.x 2007MNRAS.378..385P
86. G.W. Pratt H. Böhringer J.H. Croston M. Arnaud S. Borgani A. Finoguenov R.F. Temple 2007 Temperature profiles of a representative sample of nearby X-ray galaxy clusters Astron. Astrophys. 461 71 80 10.1051/0004-6361: 20065676 2007A&A...461...71P
87. G.W. Pratt M. Arnaud R. Piffaretti H. Böhringer T.J. Ponman J.H. Croston G.M. Voit S. Borgani R.G. Bower 2010 Gas entropy in a representative sample of nearby X-ray galaxy clusters (REXCESS): relationship to gas mass fraction Astron. Astrophys. 511 85 10.1051/0004-6361/200913309 2010A&A...511A..85P
88. C.E. Rakowski J.M. Laming P. Ghavamian 2008 The heating of thermal electrons in fast collisionless shocks: the integral role of cosmic rays Astrophys. J. 684 348 357 10.1086/590245 2008ApJ...684..348R
89. T.H. Reiprich D.S. Hudson Y. Zhang K. Sato Y. Ishisaki A. Hoshino T. Ohashi N. Ota Y. Fujita 2009 Suzaku measurement of Abell 2204's intracluster gas temperature profile out to 1800 kpc Astron. Astrophys. 501 899 905 10.1051/0004-6361/200810404 2009A&A...501..899R
90. Y. Rephaeli J. Nevalainen T. Ohashi A.M. Bykov 2008 Nonthermal phenomena in clusters of galaxies Space Sci. Rev. 134 71 92 10.1007/s11214-008-9314-7 2008SSRv..134...71R
91. K. Roettiger J.O. Burns J.M. Stone 1999 A cluster merger and the origin of the extended radio emission in Abell 3667 Astrophys. J. 518 603 612 10.1086/307327 1999ApJ...518..603R
92. S. Rosswog, M. Brüggen, Introduction to High-Energy Astrophysics (2007)
93. H.J.A. Röttgering M.H. Wieringa R.W. Hunstead R.D. Ekers 1997 The extended radio emission in the luminous X-ray cluster A3667 Mon. Not. R. Astron. Soc. 290 577 584 1997MNRAS.290..577R
94. H.J.A. Röttgering M.H. Wieringa R.W. Hunstead R.D. Ekers 1997 The extended radio emission in the luminous X-ray cluster A3667 Mon. Not. R. Astron. Soc. 290 577 584 1997MNRAS.290..577R
95. H. Röttgering I. Snellen G. Miley J.P. de Jong R.J. Hanisch R. Perley 1994 VLA observations of the rich X-ray cluster Abell 2256 Astrophys. J. 436 654 668 10.1086/174940 1994ApJ...436..654R
96. H.R. Russell J.S. Sanders A.C. Fabian S.A. Baum M. Donahue A.C. Edge B.R. McNamara C.P. O'Dea 2010 Chandra observation of two shock fronts in the merging galaxy cluster Abell 2146 Mon. Not. R. Astron. Soc. 10.1111/j.1365-2966.2010. 16822.x
97. D. Ryu H. Kang E. Hallman T.W. Jones 2003 Cosmological shock waves and their role in the large-scale structure of the Universe Astrophys. J. 593 599 610 10.1086/376723 2003ApJ...593..599R
98. D. Ryu H. Kang J. Cho S. Das 2008 Turbulence and magnetic fields in the large-scale structure of the Universe Science 320 909 10.1126/science.1154923 2008Sci...320..909R
99. J.S. Sanders A.C. Fabian R.K. Smith J.R. Peterson 2010 A direct limit on the turbulent velocity of the intracluster medium in the core of Abell 1835 from XMM-Newton Mon. Not. R. Astron. Soc. 402 11 15 10.1111/j.1745-3933.2009.00789.x 2010MNRAS.402L..11S
100. A.A. Schekochihin S.C. Cowley R.M. Kulsrud G.W. Hammett P. Sharma 2005 Plasma instabilities and magnetic field growth in clusters of galaxies Astrophys. J. 629 139 142 10.1086/431202 2005ApJ...629..139S
101. S.J. Schwartz M.F. Thomsen S.J. Bame J. Stansberry 1988 Electron heating and the potential jump across fast mode shocks J. Geophys. Res. 93 12923 12931 1988JGR....9312923S
102. L.D. Shaw D. Nagai S. Bhattacharya E.T. Lau 2010 Impact of cluster physics on the Sunyaev-Zel'dovich power spectrum Astrophys. J. 725 1452 1465 10.1088/0004-637X/725/2/1452 2010ApJ...725.1452S
103. A. Simionescu E. Roediger P.E.J. Nulsen M. Brüggen W.R. Forman H. Böhringer N. Werner A. Finoguenov 2009 The large-scale shock in the cluster of galaxies Hydra A Astron. Astrophys. 495 721 732 10.1051/0004-6361:200811071 2009A&A...495..721S
104. A. Simionescu, S.W. Allen, A. Mantz, N. Werner, Y. Takei, R.G. Morris, A.C. Fabian, J.S. Sanders, P.E.J. Nulsen, M.R. George, G.B. Taylor, Baryons at the Edge of the X-Ray Brightest Galaxy Cluster (2011)
105. L. Sironi, A. Spitkovsky, Particle Acceleration in Relativistic Magnetized Collisionless Electron-Ion Shocks (2010)
106. S.W. Skillman B.W. O'Shea E.J. Hallman J.O. Burns M.L. Norman 2008 Cosmological shocks in adaptive mesh refinement simulations and the acceleration of cosmic rays Astrophys. J. 689 1063 1077 10.1086/592496 2008ApJ...689.1063S
107. A. Spitkovsky 2008 Particle acceleration in relativistic collisionless shocks: Fermi process at last? Astrophys. J. Lett. 682 5 8 10.1086/590248 2008ApJ...682L...5S
108. R.J. van Weeren H.J.A. Röttgering M. Brüggen A. Cohen 2009 A search for steep spectrum radio relics and halos with the GMRT Astron. Astrophys. 508 75 92 10.1051/0004-6361/200912501 2009A&A...508...75V
109. R.J. van Weeren H.J.A. Röttgering J. Bagchi S. Raychaudhury H.T. Intema F. Miniati T.A. Enlin M. Markevitch T. Erben 2009 Radio observations of ZwCl 2341.1+0000: a double radio relic cluster Astron. Astrophys. 506 1083 1094 10.1051/0004-6361/200912287 2009A&A...506.1083V
110. R.J. van Weeren H.J.A. Röttgering J. Bagchi S. Raychaudhury H.T. Intema F. Miniati T.A. Enlin M. Markevitch T. Erben 2009 Radio observations of ZwCl 2341.1+0000: a double radio relic cluster Astron. Astrophys. 506 1083 1094 10.1051/0004-6361/200912287 2009A&A...506.1083V
111. R.J. van Weeren H.J.A. Röttgering M. Brüggen M. Hoeft 2010 Particle acceleration on megaparsec scales in a merging galaxy cluster Science 330 347 10.1126/science.1194293 2010Sci...330..347V
112. R.J. van Weeren, H.J.A. Röttgering, M. Brüggen, M. Hoeft (2011)
113. F. Vazza G. Brunetti C. Gheller 2009 Shock waves in Eulerian cosmological simulations: main properties and acceleration of cosmic rays Mon. Not. R. Astron. Soc. 395 1333 1354 10.1111/j.1365-2966.2009.14691.x 2009MNRAS.395.1333V
114. F. Vazza G. Brunetti A. Kritsuk R. Wagner C. Gheller M. Norman 2009 Turbulent motions and shocks waves in galaxy clusters simulated with adaptive mesh refinement Astron. Astrophys. 504 33 43 10.1051/0004-6361/200912535 2009A&A...504...33V
115. F. Vazza G. Brunetti C. Gheller R. Brunino 2010 Massive and refined: a sample of large galaxy clusters simulated at high resolution. I: thermal gas and properties of shock waves New Astron. 15 695 711 10.1016/j.newast.2010.05.003 2010NewA...15..695V
116. T. Venturi S. Giacintucci G. Brunetti R. Cassano S. Bardelli D. Dallacasa G. Setti 2007 GMRT radio halo survey in galaxy clusters at z=0.2-0.4. I. The REFLEX sub-sample Astron. Astrophys. 463 937 947 10.1051/0004-6361:20065961 2007A&A...463..937V
117. A. Vikhlinin M. Markevitch S.S. Murray C. Jones W. Forman L. Van Speybroeck 2005 Chandra temperature profiles for a sample of nearby relaxed galaxy clusters Astrophys. J. 628 655 672 10.1086/431142 2005ApJ...628..655V
118. A. Vikhlinin A.V. Kravtsov R.A. Burenin H. Ebeling W.R. Forman A. Hornstrup C. Jones S.S. Murray D. Nagai H. Quintana A. Voevodkin 2009 Chandra cluster cosmology project Astrophys. J. 692 1060 2009ApJ...692.1060V
119. A. Vladimirov D.C. Ellison A. Bykov 2006 Nonlinear diffusive shock acceleration with magnetic field amplification Astrophys. J. 652 1246 1258 10.1086/508154 2006ApJ...652.1246V
120. A.E. Vladimirov A.M. Bykov D.C. Ellison 2008 Turbulence dissipation and particle injection in nonlinear diffusive shock acceleration with magnetic field amplification Astrophys. J. 688 1084 1101 10.1086/592240 2008ApJ...688.1084V
121. C. Vogt T.A. Enlin 2005 A Bayesian view on Faraday rotation maps seeing the magnetic power spectra in galaxy clusters Astron. Astrophys. 434 67 76 10.1051/0004-6361:20041839 2005A&A...434...67V
122. K. Wong C.L. Sarazin 2009 Effects of the non-equipartition of electrons and ions in the outskirts of relaxed galaxy clusters Astrophys. J. 707 1141 1159 10.1088/0004-637X/707/2/1141 2009ApJ...707.1141W
123. Y.B. Zeldovich 1972 A hypothesis, unifying the structure and the entropy of the Universe Mon. Not. R. Astron. Soc. 160 1 1972MNRAS.160P...1Z
124. V.N. Zirakashvili V.S. Ptuskin H.J. Völk 2008 Modeling Bell's nonresonant cosmic-ray instability Astrophys. J. 678 255 261 10.1086/529579 2008ApJ...678..255Z