The DOI matches its Crossref record; 90 of the 90 references it cites were found in a registry or an index.
MAGNETIC FIELDS IN CLUSTERS OF GALAXIES
Open accessAbstract
The existence of magnetic fields associated with the intracluster medium in clusters of galaxies is now well established through different methods of analysis. Magnetic fields are investigated in the radio band from studies of the rotation measure of polarized radio galaxies and the synchrotron emission of cluster-wide diffuse sources. Other techniques include X-ray studies of the inverse Compton emission and of cold fronts and magneto hydrodynamic simulations. We review the main issues that have led to our knowledge on magnetic fields in clusters of galaxies. Observations show that cluster fields are at the μG level, with values up to tens of μG at the center of cooling core clusters. Estimates obtained from different observational approaches may differ by about an order of magnitude. However, the discrepancy may be alleviated by considering that the magnetic field is not constant throughout the cluster, and shows a complex structure. In particular, the magnetic field intensity declines with the cluster radius with a rough dependence on the thermal gas density. Moreover, cluster magnetic fields are likely to fluctuate over a wide range of spatial scales with values from a few kpc up to hundreds kpc. Important information on the cluster field are obtained by comparing the observational results with the prediction from numerical simulations. The origin of cluster magnetic fields is still debated. They might originate in the early Universe, either before or after the recombination, or they could have been deposited in the intracluster medium by normal galaxies, starburst galaxies, or AGN. In either case, magnetic fields undergo significant amplification during the cluster merger processes.
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A Textbook Example of a Bow Shock in the Merging Galaxy Cluster 1E 0657-56
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Cited by
Astrophysical magnetic fields and nonlinear dynamo theory
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Clusters of galaxies: observational properties of the diffuse radio emission
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Self-citationRadio signature of cosmological structure formation shocks
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THE RADIO RELICS AND HALO OF EL GORDO, A MASSIVE z= 0.870 CLUSTER MERGER
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Metadata
- Authors
- GOVONI, F., & FERETTI, L.
- Venue
- International Journal of Modern Physics D
- Publisher
- World Scientific Pub Co Pte Lt
- Published
- 2004-09
- Volume
- 13
- Issue
- 08
- Pages
- 1549-1594
- ISSN
- 0218-2718 (ISSN-L)
- 1793-6594
- OpenAlex
- W2953194568
- Cited by
- 486
- References
- 90
- FWCI
- 9.26
- Type
- journal article
- Language
- en
- Open access
- green
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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