Enrichment Study Of Hot Intra Cluster Gas Through X Ray Spectroscopy
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Enrichment Study Of Hot Intra Cluster Gas Through X Ray Spectroscopy
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Author : Jelle de Plaa
language : en
Publisher: Jelle de Plaa
Release Date : 2007
Enrichment Study Of Hot Intra Cluster Gas Through X Ray Spectroscopy written by Jelle de Plaa and has been published by Jelle de Plaa this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Science categories.
Clusters of galaxies are the biggest objects known in the universe. They consist of large groups of hundreds of galaxies that each contain hundreds of billions of stars. The member galaxies are embedded in a cloud of hot X-ray emitting gas that spans over millions of light years. During the formation of clusters, a large fraction of the chemical elements that supernova explosions produce is ejected from the galaxies into the surrounding hot gas. In this thesis, Jelle de Plaa presents the results of his study of this chemical enrichment of the hot gas. He used observations performed by ESA's XMM-Newton X-ray observatory to measure the abundances of several elements and compared them to supernova-model yields.
High Resolution X Ray Spectroscopy Of Cosmic Plasmas
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Author : International Astronomical Union. Colloquium
language : en
Publisher: Cambridge University Press
Release Date : 1990-04-26
High Resolution X Ray Spectroscopy Of Cosmic Plasmas written by International Astronomical Union. Colloquium and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990-04-26 with Science categories.
This book gives an account of the proceedings of the International Astronomical Union Colloquium 115: High Resolution X-Ray Spectroscopy of Cosmic Plasmas. This was the first IAU meeting dedicated to high resolution X-ray spectroscopy of objects outside the solar system. A broad range of objects and astrophysical conditions are discussed. Results from the first generation of satellites with spectroscopic capability, i.e. the Einstein Observatory, EXOSAT, and Tenma, are reviewed from a perspective of a more precise interpretation allowed by improved theoretical models and plasma diagnostics. Laboratory and solar X-ray results that model or are relevant to conditions found in cosmic X-ray sources are also presented. The colloquium presents a forum for discussion of scientific objectives of new international missions in high resolution X-ray spectroscopy.
Cosmological Aspects Of X Ray Clusters Of Galaxies
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Author : W.C. Seitter
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Cosmological Aspects Of X Ray Clusters Of Galaxies written by W.C. Seitter and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
The NATO Advanced Study Institute "Cosmological Aspects of X-Ray Clus ters of Galaxies" took place in Vel en , Westphalia, Germany, from June 6 to June 18, 1993. It addressed the fruitful union of two topics, cosmology and X-ray clus ters, both of which carry substantial scientific weight at the beginning of the last decenium of the last century in the second millenium of our era. The so far largest X-ray "All-Sky Survey", observed by the ROSAT X-ray satel lite, and ROSAT's deep pointed observations, have considerably enlarged the base of X-ray astronomy, particularly concerning extragalactic sources. Cosmology has gained significant impetus from the large optical direct and spectroscopic surveys, based on high quality 2-dimensional receivers at large telescopes and powerful scan ning devices, harvesting the full information 1 content from the older technique of employing photographic plates. Radioastronomy and IR-astronomy with IRAS, as well as r-astronomy with GRO, continue and strengthen the role of extragalactic research. The rapidly growing computer power in data reduction and data storage facilities support the evolution towards large-number statistics. A most significant push was given to early cosmology by the needs of physics in trying to unravel the nature of forces which govern our material world. The topic of the ASI was chosen because it opens new vistas on this for ever new problem: the universe. Clusters of galaxies probe large-scale matter distributions and the structure of space-time.
High Resolution X Ray Spectroscopy
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Author : Cosimo Bambi
language : en
Publisher: Springer Nature
Release Date : 2023-09-01
High Resolution X Ray Spectroscopy written by Cosimo Bambi and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-09-01 with Science categories.
NASA's Chandra X-ray Observatory and ESA's XMM-Newton Observatory have been the pioneering satellites for studying the Universe with X-rays and the cornerstone of X-ray spectroscopy since their launches more than 20 years ago. The onboard gratings provide us a unique opportunity to distinguish individual spectral lines from different atoms thanks to their high energy resolutions. Enormous discoveries have been achieved by these two missions when observing a variety of X-ray-emitting astronomical objects, such as black holes, supernova remnants, clusters of galaxies, and stars. However, the data are limited to fairly bright X-ray sources. The recent JAXA's mission Hitomi opened a new window of high-resolution X-ray spectroscopy thanks to its onboard X-ray calorimeter. Although this mission was shortly terminated due to a mishap, Hitomi left behind a few sets of observations awaiting more data mining. The first half of this book introduces the history of high-resolution X-ray spectroscopy and different generations of X-ray spectrometers. A tutorial guide on how to reduce, analyze, and understand the astronomical data from Chandra, XMM-Newton, and Hitomi is also included. The second half of the book reviews past results obtained by the high-resolution spectrometers on these missions on multiple topics and discusses possible discoveries by upcoming missions in the next decade.
The Evolution Of Galaxies And Their Environment
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Author : David J. Hollenbach
language : en
Publisher:
Release Date : 1993
The Evolution Of Galaxies And Their Environment written by David J. Hollenbach and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Astrophysics categories.
Background Microwave Radiation And Intracluster Cosmology
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Author : F. Melchiorri
language : en
Publisher: IOS Press
Release Date : 2006-01-24
Background Microwave Radiation And Intracluster Cosmology written by F. Melchiorri and has been published by IOS Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-01-24 with Science categories.
This study is devoted to the Sunyaev-Zeldovich (S-Z) effect, and important related topics in cluster and CMB research. S-Z science is about to be significantly enhanced by unique, multi-faceted cluster and cosmological yield, at a level of precision in accord with the high standards of the current era that was heralded by spectacular achievements in cosmological CMB research. The pedagogical reviews and technical seminars included in this volume represent most of the important current topics in S-Z work and in the astrophysics of clusters. The publication touches upon all relevant aspects of the S-Z effect and its use as a precise cluster and cosmological probe. To commemorate the 40th anniversary of the detection of the CMB by Penzias and Wilson (in 1964), there is a chapter devoted to the history of this discovery. In his fascinating account of their work, he outlines also some lessons pertinent to current scientific issues. Other chapters discuss very interesting related observational work in Europe and the US.
Energy Research Abstracts
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Author :
language : en
Publisher:
Release Date : 1986
Energy Research Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Power resources categories.
Clusters And Superclusters Of Galaxies
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Author : A.C. Fabian
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Clusters And Superclusters Of Galaxies written by A.C. Fabian and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
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.
A New Science Strategy For Space Astronomy And Astrophysics
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Author : National Research Council
language : en
Publisher: National Academies Press
Release Date : 1997-07-06
A New Science Strategy For Space Astronomy And Astrophysics written by National Research Council and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997-07-06 with Science categories.
Violent Phenomena In The Universe
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Author : Jayant V. Narlikar
language : en
Publisher: Courier Corporation
Release Date : 2012-10-16
Violent Phenomena In The Universe written by Jayant V. Narlikar and has been published by Courier Corporation this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-10-16 with Science categories.
Acclaimed by Nature as "excellent and uncompromising," this reader-friendly book explores exploding stars, black holes, and the Big Bang. Clear and lively, it conveys the excitement of modern cosmology. 1982 edition.