Are you looking for read ebook online? Search for your book and save it on your Kindle device, PC, phones or tablets. Download The Interaction Of Gas And Galaxies Within Galaxy Clusters PDF full book. Access full book title The Interaction Of Gas And Galaxies Within Galaxy Clusters.
| Author | : Jill Cornell Tarter |
| Publisher | : |
| Total Pages | : 576 |
| Release | : 1975 |
| Genre | : Galaxies |
| ISBN | : |
| Author | : Jill Cornell Tarter |
| Publisher | : |
| Total Pages | : 274 |
| Release | : 1975 |
| Genre | : |
| ISBN | : |
| Author | : Jelle Kaastra |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 418 |
| Release | : 2008-05-01 |
| Genre | : Science |
| ISBN | : 0387788751 |
The existence of soft excess emission originating from clusters of galaxies, de ned as em- sion detected below 1 keV in excess over the usual thermal emission from hot intracluster gas (hereafter the ICM) has been claimed since 1996. Soft excesses are particularly - portant to detect because they may (at least partly) be due to thermal emission from the Warm-Hot Intergalactic Medium, where as much as half of the baryons of the Universe could be. They are therefore of fundamental cosmological importance. Soft excess emission has been observed (and has also given rise to controversy) in a number of clusters, mainly raising the following questions: (1) Do clusters really show a soft excess? (2) If so, from what spatial region(s) of the cluster does the soft excess or- inate? (3) Is this excess emission thermal, originating from warm-hot intergalactic gas (at 6 temperatures of?10 K), or non-thermal, in which case several emission mechanisms have been proposed. Interestingly, some of the non-thermal mechanisms suggested to account for soft excess emission can also explain the hard X-ray emission detected in some clusters, for example by RXTE and BeppoSAX (also see Petrosian et al. 2008—Chap. 10, this issue; Rephaeli et al. 2008—Chap. 5, this issue).
| Author | : L. Feretti |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 329 |
| Release | : 2006-04-18 |
| Genre | : Science |
| ISBN | : 0306480964 |
Mergers are the mechanisms by which galaxy clusters are assembled through the hierarchical growth of smaller clusters and groups. Major cluster mergers are the most energetic events in the Universe since the Big Bang. Many of the observed properties of clusters depend on the physics of the merging process. These include substructure, shock, intra cluster plasma temperature and entropy structure, mixing of heavy elements within the intra cluster medium, acceleration of high-energy particles, formation of radio halos and the effects on the galaxy radio emission. This book reviews our current understanding of cluster merging from an observational and theoretical perspective, and is appropriate for both graduate students and researchers in the field.
| Author | : Ivo Saviane |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 380 |
| Release | : 2007-08-01 |
| Genre | : Science |
| ISBN | : 3540711732 |
For every galaxy in the field or in clusters, there are about three galaxies in groups. The Milky Way itself resides in a group. Groups in the local universe offer the chance to study galaxies in environments characterized by strong interactions. In the cosmological context, groups trace large-scale structures better than clusters; the evolution of groups and clusters appears to be related. All these aspects of research are summarized in this book.
| Author | : John S. Mulchaey |
| Publisher | : Cambridge University Press |
| Total Pages | : 408 |
| Release | : 2004-09-23 |
| Genre | : Science |
| ISBN | : 9780521755771 |
Series of review papers covering clusters of galaxies and related phenomena.
| Author | : Craig L. Sarazin |
| Publisher | : Cambridge University Press |
| Total Pages | : 0 |
| Release | : 1988-03-17 |
| Genre | : Science |
| ISBN | : 9780521329576 |
First published in 1988, this book is a comprehensive survey of the astrophysical characteristics of the hot gas which pervades clusters of galaxies. In our universe, clusters of galaxies are the largest organised structures. Typically they comprise hundreds of galaxies moving through a region of space ten million light years in diameter. The volume between the galaxies is filled with gas having a temperature of 100 million degrees. This material is a strong source of cosmic X-rays. Dr Sarazin describes the theoretical description of the origin, dynamics, and physical state of the cluster gas. Observations by radio and optical telescopes are also summarised. This account is addressed to professional astronomers and to graduate students. It is an exhaustive summary of a rapidly expanding field of research in modern astrophysics.
| Author | : International Astronomical Union. Colloquium |
| Publisher | : Cambridge University Press |
| Total Pages | : 586 |
| Release | : 2004-12-16 |
| Genre | : Science |
| ISBN | : 9780521849081 |
This book contains the proceedings of the International Astronomical Union Colloquium no. 195, held in Torino, Italy in 2004. The meeting investigated the formation of galaxies within a full cosmological context, focusing on the outer regions of galaxy clusters. The observed correlation of optical and radio properties of galaxies with their environment indicates that the formation and evolution of galaxies is intimately linked to the formation of large scale structure. With chapters written by leading authorities in the field, this timely volume investigates the role of the environment in determining the properties of galaxies. It describes the distribution of matter and galaxies on the largest scales in the Universe, the processes of cluster and galaxy formation, their role and interplay. This is a valuable collection of review articles for professional astronomers.
| Author | : Andrei M. Bykov |
| Publisher | : Springer |
| Total Pages | : 0 |
| Release | : 2019-10-17 |
| Genre | : Science |
| ISBN | : 9789402417333 |
Clusters of galaxies are large assemblies of galaxies, hot gas and dark matter bound together by gravity. Galaxy clusters are now one of the most important cosmological probes to test the standard cosmological models. Constraints on the Dark Energy equation of state from the cluster number density measurements, deviations from the Gaussian perturbation models, the Sunyaev-Zeldovich effect as well as the dark matter proles are among the issues to be studied with clusters. The baryonic composition of clusters is dominated by hot gas that is in quasi-hydrostatic equilibrium within the dark matter-dominated gravitational potential well of the cluster. The hot gas is visible through spatially extended thermal X-ray emission, and it has been studied extensively both for assessing its physical properties and as a tracer of the large-scale structure of the Universe. Magnetic fields as well as a number of non-thermal plasma processes play a role in clusters of galaxies as we observe from radioastronomical observations. The goal of this volume is to review these processes and to investigate how they are interlinked. Overall, these papers provide a timely and comprehensive review of the multi-wavelength observations and theoretical understanding of clusters of galaxies in the cosmological context. Thus, the volume will be particularly useful to postgraduate students and researchers active in various areas of astrophysics and space science. Originally published in Space Science Reviews in the Topical Collection "Clusters of Galaxies: Physics and Cosmology"
| Author | : Steff Jaywan |
| Publisher | : Dedona Publishing |
| Total Pages | : 29 |
| Release | : |
| Genre | : Science |
| ISBN | : |
Galaxies are dynamic entities, constantly evolving through processes like mergers, collisions, and interactions with neighboring galaxies. When galaxies merge, their stars, gas, and dust can undergo dramatic transformations, leading to the formation of new stars and restructuring of the galaxy's shape. These interactions can trigger intense bursts of star formation and feed supermassive black holes at the galaxies' centers, leading to the emission of powerful jets of radiation. Furthermore, galaxies are not isolated entities but are interconnected within the vast cosmic web of the universe. They cluster together in groups and clusters, bound by their mutual gravitational attraction. These clusters can contain hundreds or even thousands of galaxies, each influencing the others' evolution through gravitational interactions and tidal forces. The study of galaxies encompasses various fields of astrophysics, including observational astronomy, theoretical modeling, and simulations. Observational techniques, such as telescopes operating across different wavelengths of light and gravitational wave detectors, allow astronomers to peer into the depths of galaxies across cosmic time.
