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Related papers: Multiple merging in the Abell cluster 1367

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This paper presents a multicolor study of the nearby cluster of galaxies Abell 168 (z=0.045) with 13 intermediate-band filters in the Beijing-Arizona-Taiwan-Connecticut (BATC) filter system. After a cross-identification between the…

Astrophysics · Physics 2009-11-10 Yanbin Yang , Xu Zhou , Qirong Yuan , Zhaoji Jiang , Jun Ma , Hong Wu , Jiansheng Chen

The Abell 1689 galaxy cluster has recently become a subject of intensive study. Thanks to its intermediate redshift (z=0.183) its mass distribution can be reconstructed using numerous methods including gravitational lensing, galaxy…

Astrophysics · Physics 2009-11-13 Ewa L. Lokas , Francisco Prada , Radoslaw Wojtak , Mariano Moles , Stefan Gottloeber

We report the first results of a spectroscopic survey of galaxies in the core of the Shapley Concentration, the richest nearby supercluster of clusters of galaxies. We have measured 311 new galaxy redshifts in an area of $\sim 4.5$ square…

Astrophysics · Physics 2015-06-24 S. Bardelli , E. Zucca , G. Vettolani , G. Zamorani

We present a weak-lensing and dynamical study of the complex cluster Abell 1758 (A1758, z = 0.278) supported by hydrodynamical simulations. This cluster is composed of two main structures, called A1758N and A1758S. The Northern structure is…

We investigate the star formation rate and its location in the major merger cluster Abell 2465 at $z$ = 0.245. Optical properties of the cluster are described in Paper I. Measurements of the H$\alpha$ and infrared dust emission of galaxies…

Astrophysics of Galaxies · Physics 2015-06-23 Gary A. Wegner , Devin S. Chu , Ho Seong Hwang

We present ROSAT PSPC and HRI observations of the distant cluster A1300 (z = 0.3071) in conjunction with optical data, to investigate the physics of the intra-cluster medium and the dynamical state of the cluster. By means of a…

Astrophysics · Physics 2007-05-23 L. Lemonon , M. Pierre , R. Hunstead , A. Reid , Y. Mellier , H. Bohringer

Abell~1142 is a low-mass galaxy cluster at low redshift containing two comparable Brightest Cluster Galaxies (BCG) resembling a scaled-down version of the Coma Cluster. Our Chandra analysis reveals an X-ray emission peak, roughly 100 kpc…

High Energy Astrophysical Phenomena · Physics 2016-04-20 Yuanyuan Su , David A. Buote , Fabio Gastaldello , Reinout van Weeren

We report new results on the cluster of galaxies Abell 970 obtained from X-ray observation with BeppoSAX. Our analysis of the BeppoSAX MECS and LECS data in the range [0.15-10] keV reveals a mean cluster gas temperature of kT =…

Astrophysics · Physics 2009-11-07 G. B. Lima Neto , H. V. Capelato , L. Sodre , D. Proust

We aim to review the internal structure and dynamics of the Abell 1351 cluster, shown to host a radio halo with a quite irregular shape. Our analysis is based on radial velocity data for 135 galaxies obtained at the Telescopio Nazionale…

Astrophysics of Galaxies · Physics 2015-06-19 R. Barrena , M. Girardi , W. Boschin , S. De Grandi , M. Rossetti

We present high-resolution X-ray spectroscopy of the merging galaxy cluster Abell 3667 with \textit{XRISM}/Resolve. Two observations, targeting the cluster X-ray core and the prototypical cold front, were performed with exposures of 105 ks…

We present VLA H I imaging data for a field in the NW of the galaxy cluster Abell 1367 (z = 0.02) in an attempt to probe the effect environment has on the interstellar medium of late-type spiral galaxies. Several galaxies show pronounced…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-18 T. C. Scott , H. Bravo-Alfaro , E. Brinks , C. A. Caretta , L. Cortese , A. Boselli , M. J. Hardcastle , J. H. Croston , I. Plauchu

Diffuse radio emission in galaxy clusters, and their connection with cluster mergers, are still debated. We seek to explore the internal dynamics of the radio halo cluster Abell 545. This cluster is also peculiar for hosting in its center a…

Cosmology and Nongalactic Astrophysics · Physics 2018-01-17 R. Barrena , M. Girardi , W. Boschin , S. De Grandi , D. Eckert , M. Rossetti

We explore the internal dynamics of Abell 2254, which has been shown to host a very clumpy and irregular radio halo. Our analysis is mainly based on redshift data for 128 galaxies acquired at the TNG. We also use new g',r',i' photometric…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-30 M. Girardi , S. Bardelli , R. Barrena , W. Boschin , F. Gastaldello , M. Nonino

Archival XMM and ROSAT X-ray data are used to investigate the structure of the Abell 548 - Abell 3367 region. Based on previous optical studies, this is a region likely to be rich in structure though studies are in disagreement regarding…

Cosmology and Nongalactic Astrophysics · Physics 2026-05-01 Mark J. Henriksen , Layla Ahmed

We report the discovery of the merging cluster, RXCJ2359.3-6042, from the REFLEX II cluster survey and present our results from all three detectors combined in the imaging and spectral analysis of the XMM-Newton data. Also known as Abell…

Astrophysics of Galaxies · Physics 2015-06-23 Gayoung Chon , Hans Boehringer

This series of papers explores the evolution of late-type galaxies in the rich cluster Abell 85. Here, we revisit the complex dynamical state of A 85 by using independent methods. We analyze the redshift distribution towards the cluster out…

Astrophysics · Physics 2009-11-13 H. Bravo-Alfaro , C. A. Caretta , C. Lobo , F. Durret , T. Scott

[Abriged] We discuss here the properties of the double cluster Abell 1758, at a redshift z~0.279, which shows strong evidence for merging. We analyse the optical properties of the North and South clusters of Abell 1758 based on deep imaging…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-27 F. Durret , T. F. Lagana , M. Haider

Abell 3266 is one of the X-ray brightest galaxy clusters in the sky and is a well-known merging system. Using the ability of the eROSITA telescope onboard SRG (Spectrum R\"ontgen Gamma) to observe a wide field with a single pointing, we…

Abell 2744, also known as Pandora's Cluster, is a complex merging galaxy cluster. While a major merger is clear along the north-south axis, the dynamical state of the northwest subcluster has been highly uncertain. We present ultra-deep…

Cosmology and Nongalactic Astrophysics · Physics 2024-07-04 Urmila Chadayammuri , Ákos Bogdán , Gerrit Schellenberger , John ZuHone

The mechanisms giving rise to diffuse radio emission in galaxy clusters, and in particular their connection with cluster mergers, are still debated. We aim to obtain new insights into the internal dynamics of the cluster Abell 2294,…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-18 M. Girardi , W. Boschin , R. Barrena