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Related papers: Magnetic Fields in the 3C 129 Cluster

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The goal of this work is to constrain the strength and structure of the magnetic field associated with the environment of the radio source 3C 449, using observations of Faraday rotation, which we model with a structure function technique…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-18 D. Guidetti , R. A. Laing , M. Murgia , F. Govoni , L. Gregorini , P. Parma

We present new, multiwavelength Very Large Array observations of the 3 radio galaxies in the cluster Abell 119: 0053-015, 0053-016 and 3C 29. The first two radio galaxies, which lie close to the cluster center, show a narrow-angle-tailed…

Astrophysics · Physics 2007-05-23 L. Feretti , D. Dallacasa , F. Govoni , G. Giovannini , G. B. Taylor , U. Klein

Results are presented of a new VLA-ROSAT study that probes the magnetic field strength and distribution over a sample of 16 ``normal'' low redshift (z < 0.1) galaxy clusters. The clusters span two orders of magnitude in X-ray luminosity,…

Astrophysics · Physics 2009-10-31 T. E. Clarke , P. P. Kronberg , H. Boehringer

To search for a signature of an intracluster magnetic field, we compare measurements of Faraday rotation of polarised extragalactic radio sources in the line of sight of galaxy clusters with those outside. We correlated a catalogue of 1383…

Cosmology and Nongalactic Astrophysics · Physics 2016-12-07 Hans Boehringer , Gayoung Chon , Philipp P. Kronberg

We describe new Chandra spectroscopy data of the cluster which harbors the prototypical "head tail" radio galaxy 3C 129 and the weaker radio galaxy 3C 129.1. We combined the Chandra data with Very Large Array (VLA) radio data taken at 0.33,…

Astrophysics · Physics 2009-11-07 H. Krawczynski , D. E. Harris , R. Grossman , W. Lane , N. Kassim , A. G. Willis

We present high resolution images of the Faraday Rotation Measure (RM) structure of the radio galaxy PKS 1246-410, at the center of the Centaurus cluster. Comparison with Halpha-line and soft X-ray emission reveals a correspondence between…

Astrophysics · Physics 2009-11-13 G. B. Taylor , A. C. Fabian , G. Gentile , S. W. Allen , C. Crawford , J. S. Sanders

We investigate the magnetic field power spectrum in the cool core galaxy cluster A2199 by analyzing the polarized emission of the central radio source 3C338. The polarized radiation from the radio emitting plasma is modified by the Faraday…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-03 V. Vacca , M. Murgia , F. Govoni , L. Feretti , G. Giovannini , R. A. Perley , G. B. Taylor

Magnetic fields remain an enigmatic part of the content of galaxy clusters. Faraday rotation and depolarisation of extragalactic radio sources are useful probes, but the limited availability of polarised radio sources necessitates stacking…

A514 contains six extended and polarized radio sources located at various projected distances from the cluster center. Here we present a detailed study of these six radio sources in total intensity and polarization using the Very Large…

Astrophysics · Physics 2009-11-07 F. Govoni , G. B. Taylor , D. Dallacasa , L. Feretti , G. Giovannini

We present a numerical approach to investigate the relationship between magnetic fields and Faraday rotation effects in clusters of galaxies. We can infer the structure and strength of intra-cluster magnetic fields by comparing our…

Astrophysics · Physics 2009-11-10 M. Murgia , F. Govoni , L. Feretti , G. Giovannini , D. Dallacasa , R. Fanti , G. B. Taylor , K. Dolag

Faraday rotation of radio source polarization provides a measure of the integrated magnetic field along the observational lines of sight. We compare a new, large sample of Faraday rotation measures (RMs) of polarized extragalactic sources…

Astrophysics · Physics 2009-11-13 Yongzhong Xu , Philipp P. Kronberg , Salman Habib , Quentin W. Dufton

The goal of this work is to put constraints on the strength and structure of the magnetic field in the cluster of galaxies A2382. We investigate the relationship between magnetic field and Faraday rotation effects in the cluster, using…

Astrophysics · Physics 2009-11-13 D. Guidetti , M. Murgia , F. Govoni , P. Parma , L. Gregorini , H. R. de Ruiter , R. A. Cameron , R. Fanti

Magnetic fields in galaxy clusters have been measured using a variety of techniques, including: studies of synchrotron relic and halo radio sources within clusters, studies of inverse Compton X-ray emission from clusters, surveys of Faraday…

Astrophysics · Physics 2009-11-07 C. L. Carilli , G. B. Taylor

We present an analysis of the magnetic-field fluctuations in the magnetoionic medium in front of the radio galaxy 3C 31 derived from rotation-measure (RM) fits to high-resolution polarization images. We first show that the Faraday rotation…

Astrophysics · Physics 2007-10-05 R. A. Laing , A. H. Bridle

We present the results of XMM-Newton observations of three high-redshift powerful radio galaxies 3C 184, 3C 292 and 3C 322. Although none of the sources lies in as rich an X-ray-emitting environment as is seen for some powerful radio…

Astrophysics · Physics 2007-05-23 E. Belsole , D. M. Worrall , M. J. Hardcastle , M. Birkinshaw , C. R. Lawrence

Magnetic fields are ubiquitous in galaxy clusters, yet their radial profile, power spectrum, and connection to host cluster properties are poorly known. Merging galaxy clusters hosting diffuse polarized emission in the form of radio relics…

Astrophysics of Galaxies · Physics 2021-02-03 C. Stuardi , A. Bonafede , L. Lovisari , P. Domínguez-Fernández , F. Vazza , M. Brüggen , R. J. van Weeren , F. de Gasperin

The presence of magnetic fields in the intracluster medium in clusters of galaxies has been revealed through several different observational techniques. These fields may be dynamically important in clusters as they will provide additional…

Astrophysics · Physics 2015-06-24 Tracy E. Clarke

We present multi-frequency VLA observations of the radio galaxy PKS 1246-410 at the center of the Centaurus Cluster, and compare these results to recent Chandra observations. The unusual radio morphology of PKS 1246-410 probably results…

Astrophysics · Physics 2009-09-17 G. B. Taylor , A. C. Fabian , S. W. Allen

We present new observations of the galaxy cluster 3C 129 obtained with the Sardinia Radio Telescope in the frequency range 6000-7200 MHz, with the aim to image the large-angular-scale emission at high-frequency of the radio sources located…

The goal of this work is to constrain the strength and structure of the magnetic field in the nearby cluster of galaxies A2255. At radio wavelengths A2255 is characterized by the presence of a polarized radio halo at the cluster center, a…

Astrophysics · Physics 2009-11-11 F. Govoni , M. Murgia , L. Feretti , G. Giovannini , K. Dolag , G. B. Taylor
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