Gravitational Lensing Of Quasars
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Gravitational Lensing Of Quasars
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Author : Alexander Eigenbrod
language : en
Publisher: CRC Press
Release Date : 2011-12-14
Gravitational Lensing Of Quasars written by Alexander Eigenbrod and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-12-14 with Science categories.
The universe, in all its richness, diversity and complexity, is populated by a myriad of intriguing celestial objects. Among the most exotic of them are gravitationally lensed quasars. A quasar is an extremely bright nucleus of a galaxy, and when such an object is gravitationally lensed, multiple images of the quasar are produced - this phenomenon
Gravitational Lensing
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Author : Yannick Mellier
language : en
Publisher: Springer
Release Date : 1990
Gravitational Lensing written by Yannick Mellier and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Science categories.
This is an exhaustive review of our theoretical and observational knowledge of gravitational lensing 10 years after the discovery of the first lensed quasar, Q0957+561. Gravitational optics, optical, infrared, and radio observations of quasar-lens candidates, microlensing, arcs in clusters of galaxies, and radio rings are presented. In particular, the continuing survey of quasar-lens candidates, the new measurement of the time delay in 0957+561, the suspended microlensing effect through the galaxy 2237+030, as well as the discovery of new arcs and the measurement of new redshifts for two of them are presented. Numerous papers on the modelling of arcs and rings show how it should be possible to probe dark matter with these unexpected gravitational telescopes. Finally, tables summarize all the lens candidates we know today.
Gravitational Lensing
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Author : Yannick Mellier
language : en
Publisher: Springer
Release Date : 2014-03-12
Gravitational Lensing written by Yannick Mellier and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-03-12 with Science categories.
This is an exhaustive review of our theoretical and observational knowledge of gravitational lensing 10 years after the discovery of the first lensed quasar, Q0957+561. Gravitational optics, optical, infrared, and radio observations of quasar-lens candidates, microlensing, arcs in clusters of galaxies, and radio rings are presented. In particular, the continuing survey of quasar-lens candidates, the new measurement of the time delay in 0957+561, the suspended microlensing effect through the galaxy 2237+030, as well as the discovery of new arcs and the measurement of new redshifts for two of them are presented. Numerous papers on the modelling of arcs and rings show how it should be possible to probe dark matter with these unexpected gravitational telescopes. Finally, tables summarize all the lens candidates we know today.
Gravitational Lensing An Astrophysical Tool
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Author : Frederic Courbin
language : en
Publisher: Springer
Release Date : 2014-03-12
Gravitational Lensing An Astrophysical Tool written by Frederic Courbin and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-03-12 with Science categories.
Gravitational lensing is by now sufficiently well understood that it can be used as a tool of investigation in other astrophysical areas. Applications include the determination of the Hubble constant, probing the dark matter context of galaxies and the mapping of the universe to the identification of otherwise invisible large-scale structures. Each chapter of the book covers in a self-contained manner a subfield of gravitational lensing, with the double aim of describing in a simple way the basics of the theory and of reviewing the most recent developments as well as applications foreseen in the near future. The book will thus be particularly useful as a high-level textbook for nonspecialist researchers and advanced students wishing to become familiar with the field all the way up to the forefront of research.
Gravitational Lensing An Astrophysical Tool
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Author : Frederic Courbin
language : en
Publisher: Springer Science & Business Media
Release Date : 2002-12-10
Gravitational Lensing An Astrophysical Tool written by Frederic Courbin 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 2002-12-10 with Science categories.
Gravitational lensing is by now sufficiently well understood that it can be used as a tool of investigation in other astrophysical areas. Applications include the determination of the Hubble constant, probing the dark matter context of galaxies and the mapping of the universe to the identification of otherwise invisible large-scale structures. Each chapter of the book covers in a self-contained manner a subfield of gravitational lensing, with the double aim of describing in a simple way the basics of the theory and of reviewing the most recent developments as well as applications foreseen in the near future. The book will thus be particularly useful as a high-level textbook for nonspecialist researchers and advanced students wishing to become familiar with the field all the way up to the forefront of research.
Quasars And Active Galactic Nuclei
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Author : Ajit K. Kembhavi
language : en
Publisher: Cambridge University Press
Release Date : 1999-03-11
Quasars And Active Galactic Nuclei written by Ajit K. Kembhavi 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 1999-03-11 with Science categories.
This book provides an up-to-date and comprehensive account of quasars and active galactic nuclei (AGN). The latest observations and theoretical models are combined in this clear, pedagogic textbook for advanced undergraduates and graduate students. Researchers will also find this wide-ranging and coherent review invaluable. Throughout, detailed derivations of important results are provided to ensure the book is self contained. And theories and models are critically compared with detailed and often puzzling observations from across the spectrum. We are led through all the key topics, including quasar surveys, continuum radiation, time variability, relativistic beaming, accretion disks, jet sidedness, gravitational lensing, unification and detailed, multi-wavelength studies of individual objects. Particular emphasis is placed on radio, X- and gamma-ray observations--not covered in depth in any previous book. All those entering into this exciting and dynamic area of astronomy research will find this book an ideal introduction.
Impact Of Gravitational Lensing On Cosmology Iau S225
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Author : International Astronomical Union. Symposium
language : en
Publisher: Cambridge University Press
Release Date : 2005-09-05
Impact Of Gravitational Lensing On Cosmology Iau S225 written by International Astronomical Union. Symposium 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 2005-09-05 with Science categories.
This book contains the proceedings of the International Astronomical Union Symposium no. 225, held in July 2004 at the Ecole Polytechnique Federale de Lausanne (EPFL), in Lausanne, Switzerland. The meeting focused on the applications of gravitational lensing to cosmological physics, and this book summarizes the most recent theoretical and observational developments. With chapters written by leading scientists in the field, this is a valuable resource for professional astronomers and graduate students in astronomy, physics and astro-particle physics.
Gravitational Lenses
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Author : P. Schneider
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-06-29
Gravitational Lenses written by P. Schneider 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 2013-06-29 with Science categories.
Light observed from distant objects is found to be deflected by the gravitational field of massive objects near the line of sight - an effect predicted by Einstein in his first paper setting forth the general theory of relativity, and confirmed by Eddington soon afterwards. If the source of the light is sufficiently distant and bright, and if the intervening object is massive enough and near enough to the line of sight, the gravitational field acts like a lens, focusing the light and producing one or more bright images of the source. This book, by renowned researchers in the field, begins by discussing the basic physics behind gravitational lenses: the optics of curved space-time. It then derives the appropriate equations for predicting the properties of these lenses. In addition, it presents up-to-date observational evidence for gravitational lenses and describes the particular properties of the observed cases. The authors also discuss applications of the results to problems in cosmology.
Gravitational Lensing
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Author : Tereasa Gail Brainerd
language : en
Publisher:
Release Date : 2001
Gravitational Lensing written by Tereasa Gail Brainerd and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Gravitational lenses categories.
Annotation The power of gravity to bend and lens light has numerous applications in astrophysics. This volume contains over 100 papers on gravitational lensing from Brainerd (astronomy, Boston U.), Kochanek (Harvard- Smithsonian Center for Astrophysics) and other researchers from around the world. A sampling of topics includes gravitational lensing in galaxy redshift surveys, magnified views of BAL quasars, weak lensing by galaxy clusters, and galaxy-galaxy lensing. Annotation copyrighted by Book News, Inc., Portland, OR.
Astrophysical Applications Of Gravitational Lensing
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Author : C.S. Kochanek
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Astrophysical Applications Of Gravitational Lensing written by C.S. Kochanek 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.
EDWIN TURNER AND RACHEL WEBSTER Co-Chairs, Scientific Organizing Committee lAU Symposium 173, Astrophysical Applications of Gravitational Lenses, was held in Melbourne, Australia from July 9-14, 1995. The Symposium was sponsored by lAU Commissions 47 and 40. With the discovery by Walsh and collaborators of the first instance of a gravitational lens, the multiply imaged quasar 0957+561, the area of grav itational lensing moved from speculative theory to a major astrophysical tool. Since that time, there have been regular, approximately biennial in ternational meetings both in Europe and in North America, which have specifically focussed on gravitational lensing. On this occasion, with the blessing of the lA U, the meeting was held at the University of Melbourne in Australia. It was the first international astronomical meeting to be held at the University of Melbourne, and hope fully has given the astronomical community some enthusiasm for trekking half-way round the globe to Australia to discuss their latest work.