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Related papers: Radio Observations of Merging Clusters in the Shap…

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We present the results of a 22 cm radio survey carried out with the A3558 complex, a chain formed by the merging ACO clusters A3556-A3558-A3562 and thetwo groups SC1327-312 and SC1323-313, located in the central region of the complex, a…

Astrophysics · Physics 2009-10-31 T. Venturi , S. Bardelli , R. Morganti , R. W. Hunstead

We report and discuss the results of a 22 cm radio survey carried out with the Australia Telescope Compact Array (ATCA) covering the A3528 complex, a chain formed by the merging ACO clusters A3528-A3530-A3532, located in the central region…

Astrophysics · Physics 2009-11-06 T. Venturi , S. Bardelli , G. Zambelli , R. Morganti , R. W. Hunstead

We present here the first results of a 22cm survey of the Shapley Concentration core. The observations were carried out with the Australia Telescope Compact Array. Our radio observations completely and uniformely cover the A3558 complex,…

Astrophysics · Physics 2016-08-30 T. Venturi , R. Morganti , S. Bardelli , D. Dallacasa , R. W. Hunstead

In this paper we report and discuss the results of a radio survey in the A3571 cluster complex, a structure located in the Shapley Concentration core, and formed by the three clusters A3571, A3572 and A3575. The survey was carried out…

Astrophysics · Physics 2009-11-07 T. Venturi , S. Bardelli , M. Zagaria , I. Prandoni , R. Morganti

In this paper we present a detailed study of the radio galaxy J1324-3138, located at a projected distance of 2 arcmin from the centre of the Abell cluster of galaxies A3556, belonging to the core of the Shapley Concentration, at an average…

Astrophysics · Physics 2009-10-30 T. Venturi , S. Bardelli , R. Morganti , R. W. Hunstead

In this paper we present Very Large Array (VLA) 1.4 GHz (21 cm) observations of the region between the centres of A3558 and A3562, in the majorcluster merger complex of the Shapley Concentration. Our final catalogue includes a total of 174…

Astrophysics · Physics 2009-11-10 S. Giacintucci , T. Venturi , S. Bardelli , D. Dallacasa , E. Zucca

The core of the Shapley supercluster (A3556, A3558, SC1327-312, SC1329-313, and A3562) is an ideal region in which to study the effects of cluster mergers on the activity of individual galaxies. This paper presents the most comprehensive…

Astrophysics · Physics 2008-11-26 Neal A. Miller

The Shapley Supercluster ($\langle z \rangle\approx0.048$) contains several tens of gravitationally bound clusters and groups, making it it is an ideal subject for radio studies of cluster mergers. We used new high sensitivity radio…

The Shapley Concentration ($z\approx0.048$) covers several degrees in the Southern Hemisphere, and includes galaxy clusters in advanced evolutionary stage, groups of clusters in the early stages of merger, fairly massive clusters with…

As part of an extensive radio--IR--optical--X-ray study of ROSAT clusters of galaxies in the Hydra region we have observed the bimodal Abell cluster A3528, located in the core of the Shapley Supercluster (z ~ 0.053), with the Molonglo…

Astrophysics · Physics 2009-10-30 A. D. Reid , R. W. Hunstead , M. M. Pierre

Superclusters are the largest-scale environments where a number of galaxy clusters interact with each other through minor/major mergers and grow via accretion along cosmic filaments. We focus on the A3528 complex in the core of the Shapley…

Cosmology and Nongalactic Astrophysics · Physics 2025-02-05 G. Di Gennaro , T. Venturi , S. Giacintucci , M. Brüggen , E. Bulbul , J. Sanders , A. Liu , X. Zhang , K. Trehaeven , D. Dallacasa , P. Merluzzi , T. Pasini , S. Bardelli , G. Bernardi , O. Smirnov

We present 1.4 and 2.5 GHz Australia Telescope Compact Array (ATCA) observations of the galaxy cluster A3158 (z=0.0597) which is located within the central part of the Horologium-Reticulum Supercluster (HRS). Spectroscopic data for the…

Astrophysics · Physics 2009-11-13 M. Johnston-Hollitt , M. Sato , J. A. Gill , M. C. Fleenor , A. -M. Brick

We present high sensitivity radio observations of the merging cluster A521, at a mean redsfhit z=0.247. The observations were carried out with the GMRT at 610 MHz and cover a region of $\sim$1 square degree, with a sensitivity limit of…

Astrophysics · Physics 2009-11-11 S. Giacintucci , T. Venturi , S. Bardelli , G. Brunetti , R. Cassano , D. Dallacasa

Cluster mergings are expected to have an influence on the radio emission of the galaxy population. We present the results of a deep radio survey in the A3558 complex in the central region of the Shapley Concentration, in order to further…

Astrophysics · Physics 2009-11-10 E. Zucca , T. Venturi , S. Giacintucci , S. Bardelli , D. Dallacasa

We present the preliminary results of 235 MHz, 327 MHz and 610 MHz observations of the galaxy cluster A3562 in the core of the Shapley Concentration. The purpose of these observations, carried out with the Giant Metrewave Radio Telescope…

Astrophysics · Physics 2009-11-10 S. Giacintucci , T. Venturi , S. Bardelli , G. Brunetti , D. Dallacasa , P. Rao , E. Zucca

We present the results of a redshift survey of galaxies in the A3528 complex, a chain of interacting clusters in the core of the Shapley Concentration. This complex is characterized in the X-ray band by two pairs of roughly similar…

Astrophysics · Physics 2016-08-30 S. Bardelli , E. Zucca , A. Baldi

Some merging galaxy clusters host diffuse extended radio emission, so-called radio halos and relics. Here we present observations between 147 MHz and 4.9 GHz of a new radio-selected galaxy cluster 1RXS J0603.3+4214 (z=0.225). The cluster is…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-11 R. J. van Weeren , H. J. A. Rottgering , H. T. Intema , L. Rudnick , M. Bruggen , M. Hoeft , J. B. R. Oonk

The environmental influence on the 1.4 GHz continuum radio emission of galaxies is analyzed in a 600 deg2 region of the local Universe containing the Shapley Supercluster (SSC). Galaxies in the FLASH and 6dFGS redshift surveys are…

Astrophysics · Physics 2012-02-21 Jean-Christophe Mauduit , Gary A. Mamon

We present a multi-band study of the diffuse emission in the galaxy cluster Abell 3558, located in the core of the Shapley Supercluster. Using new MeerKAT UHF-Band and uGMRT Band-3 observations, and published MeerKAT L-band and ASKAP 887…

we present new VLA observations at 1.4 GHz confirming the presence of a radio halo at the centre of the cluster A3562, in the core of the Shapley Concentration. We also report a detailed multifrequency radio study of the head tail galaxy…

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