Gravitational Lensing Of Quasars PDF Download
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Author | : Alexander Eigenbrod |
Publisher | : CRC Press |
Total Pages | : 152 |
Release | : 2011-12-14 |
Genre | : Science |
ISBN | : 1439873550 |
Download GravItational Lensing of Quasars Book in PDF, ePub and Kindle
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
Author | : Yannick Mellier |
Publisher | : Springer |
Total Pages | : 344 |
Release | : 1990 |
Genre | : Science |
ISBN | : |
Download Gravitational Lensing Book in PDF, ePub and Kindle
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.
Author | : |
Publisher | : |
Total Pages | : 64 |
Release | : 2013 |
Genre | : Black holes (Astronomy) |
ISBN | : 9780716695899 |
Download Quasars and Black Holes Book in PDF, ePub and Kindle
"An introduction to quasars and black holes with information about their formation and characteristics. Includes diagrams, fun facts, a glossary, a resource list, and an index"--Provided by publisher.
Author | : P. Schneider |
Publisher | : Springer Science & Business Media |
Total Pages | : 564 |
Release | : 2013-06-29 |
Genre | : Science |
ISBN | : 3662037580 |
Download Gravitational Lenses Book in PDF, ePub and Kindle
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.
Author | : Arlie O. Petters |
Publisher | : Springer Science & Business Media |
Total Pages | : 616 |
Release | : 2012-12-06 |
Genre | : Science |
ISBN | : 1461201454 |
Download Singularity Theory and Gravitational Lensing Book in PDF, ePub and Kindle
This monograph is the first to develop a mathematical theory of gravitational lensing. The theory applies to any finite number of deflector planes and highlights the distinctions between single and multiple plane lensing. Introductory material in Parts I and II present historical highlights and the astrophysical aspects of the subject. Part III employs the ideas and results of singularity theory to put gravitational lensing on a rigorous mathematical foundation.
Author | : Yannick Mellier |
Publisher | : Springer |
Total Pages | : 318 |
Release | : 2014-03-12 |
Genre | : Science |
ISBN | : 9783662137826 |
Download Gravitational Lensing Book in PDF, ePub and Kindle
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.
Author | : Alexander Eigenbrod |
Publisher | : CRC Press |
Total Pages | : 154 |
Release | : 2011-12-14 |
Genre | : Science |
ISBN | : 1439873542 |
Download GravItational Lensing of Quasars Book in PDF, ePub and Kindle
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 of cosmic mirage can provide invaluable insights on burning questions, such as the nature of dark matter and dark energy. After presenting the basics of modern cosmology, GravItational Lensing of Quasars describes active galactic nuclei, the theory of gravitational lensing, and presents a particular numerical technique to improve the resolution of astronomical data. The book then enters the heart of the subject with the description of important applica- tions of gravitational lensing of quasars, such as the measurement of the famous Hubble constant, the determination of the dark matter distribution in galaxies, and the observation of the mysterious inner parts of quasars with much higher resolutions than those accessible with the largest telescopes. This book gives an overview of the current status of research in the field of gravitationally lensed quasars. It also gives some insights about the way this research is conducted in practice, and presents real data and results obtained with several high-technology instruments of the Very Large Telescope of the European Southern Observatory.
Author | : Frederic Courbin |
Publisher | : Springer |
Total Pages | : 191 |
Release | : 2014-03-12 |
Genre | : Science |
ISBN | : 9783662143513 |
Download Gravitational Lensing: An Astrophysical Tool Book in PDF, ePub and Kindle
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.
Author | : J. A. Peacock |
Publisher | : Cambridge University Press |
Total Pages | : 700 |
Release | : 1999 |
Genre | : Science |
ISBN | : 9780521422703 |
Download Cosmological Physics Book in PDF, ePub and Kindle
A comprehensive and authoritative introduction to contemporary cosmology for advanced undergraduate and graduate students.
Author | : Evencio Mediavilla |
Publisher | : Cambridge University Press |
Total Pages | : 305 |
Release | : 2016-10-06 |
Genre | : Science |
ISBN | : 1107078547 |
Download Astrophysical Applications of Gravitational Lensing Book in PDF, ePub and Kindle
This book presents gravitational lensing as an essential tool in astrophysics for tracking dark matter at all scales in the Universe.