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Author | : Jelle Kaastra |
Publisher | : Springer Science & Business Media |
Total Pages | : 418 |
Release | : 2008-05-01 |
Genre | : Science |
ISBN | : 0387788751 |
Download Clusters of Galaxies: Beyond the Thermal View Book in PDF, ePub and Kindle
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 | : |
Publisher | : |
Total Pages | : 418 |
Release | : 2008-01-01 |
Genre | : |
ISBN | : 9780387788739 |
Download Clusters of Galaxies Book in PDF, ePub and Kindle
Author | : Jelle Kaastra |
Publisher | : Springer |
Total Pages | : 0 |
Release | : 2008-11-01 |
Genre | : Science |
ISBN | : 9780387523378 |
Download Clusters of Galaxies: Beyond the Thermal View Book in PDF, ePub and Kindle
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 | : A.C. Fabian |
Publisher | : Springer Science & Business Media |
Total Pages | : 373 |
Release | : 2012-12-06 |
Genre | : Science |
ISBN | : 9401124825 |
Download Clusters and Superclusters of Galaxies Book in PDF, ePub and Kindle
Clusters and superclusters of galaxies are the largest objects in the Universe. They have been the subject of intense observational studies at a variety of wavelengths, from radio to X-ray which has provoked much theoretical debate and advanced our understanding of the recent evolution of the large-scale structure of the Universe. The current status of the subject is reviewed in this volume by active researchers who lectured at a NATO Advanced Study Institute held in Cambridge, England in July 1991. Much of the material is presented in a pedagogical manner and will appeal to scientists, astronomers and graduate students interested in extragalactic astronomy.
Author | : Alberto Carramiñana |
Publisher | : Springer Science & Business Media |
Total Pages | : 306 |
Release | : 2007-03-23 |
Genre | : Science |
ISBN | : 1402055757 |
Download Solar, Stellar and Galactic Connections between Particle Physics and Astrophysics Book in PDF, ePub and Kindle
This book collects extended and specialized reviews on topics linking astrophysics and particle physics at a level between a graduate student and a young researcher. The book also includes three reviews on observational techniques used in forefront astrophysics and short articles on research performed in Latin America. The reviews, updated and written by specialized researchers, describe the state of the art in the related research topics.
Author | : Manolis Plionis |
Publisher | : Springer Science & Business Media |
Total Pages | : 476 |
Release | : 2008-02-29 |
Genre | : Science |
ISBN | : 1402069405 |
Download A Pan-Chromatic View of Clusters of Galaxies and the Large-Scale Structure Book in PDF, ePub and Kindle
The reviews presented in this volume cover a huge range of cluster of galaxies topics. Readers will find the book essential reading on subjects such as the physics of the ICM gas, the internal cluster dynamics, and the detection of clusters using different observational techniques. The expert chapter authors also cover the huge advances being made in analytical or numerical modeling of clusters, weak and strong lensing effects, and the large scale structure as traced by clusters.
Author | : Joshua Cal Kempner |
Publisher | : |
Total Pages | : 332 |
Release | : 2002 |
Genre | : |
ISBN | : |
Download Thermal and Nonthermal Effects in Merging Clusters of Galaxies Book in PDF, ePub and Kindle
Author | : Jelle Kaastra |
Publisher | : Springer |
Total Pages | : 418 |
Release | : 2008-07-07 |
Genre | : Science |
ISBN | : 9780387788746 |
Download Clusters of Galaxies: Beyond the Thermal View Book in PDF, ePub and Kindle
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 | : Takeshi Kodama |
Publisher | : World Scientific |
Total Pages | : 478 |
Release | : 2001 |
Genre | : Science |
ISBN | : 981024715X |
Download Proceedings of the Sixth International Workshop on Relativistic Aspects of Nuclear Physics Book in PDF, ePub and Kindle
This volume deals mainly with physics related to the RHIC. It contains one of the first reports on the results of RHIC experiments.
Author | : Carlos Eduardo Aguiar |
Publisher | : World Scientific |
Total Pages | : 478 |
Release | : 2001-09-28 |
Genre | : Science |
ISBN | : 9814490393 |
Download Relativistic Aspects Of Nuclear Physics, Procs Of The 6th Intl Workshop Book in PDF, ePub and Kindle
This volume deals mainly with physics related to the RHIC. It contains one of the first reports on the results of RHIC experiments.