Impact Of Gravitational Lensing On Cosmology Iau S225
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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.
Strong Gravitational Lensing In The Era Of Big Data Iau S381
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Author : Hannah Stacey
language : en
Publisher: Cambridge University Press
Release Date : 2024-05-02
Strong Gravitational Lensing In The Era Of Big Data Iau S381 written by Hannah Stacey 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 2024-05-02 with Science categories.
During recent decades, strong gravitational lensing has become a powerful tool to study astronomical objects with widely different physical scales. It has also proven to be a promising diagnostic that can solve outstanding problems in cosmology. Now is a critical time for strong lensing research, as forthcoming large surveys (Euclid, Roman Space Telescope, Rubin Observatory and CSST) will map the entire sky and increase the number of known lenses from a few hundred to around 100,000. Concurrently, observations of lenses with current and forthcoming instruments (ALMA, JWST, E-ELT) will spatially resolve scales that are beyond the reach of telescopes for objects in the distant Universe. These new data will revolutionise our understanding of galaxy and structure formation, and offer unprecedented cosmological applications. In IAU Symposium 381, members of observational and theoretical communities review our preparedness for this new era, to discuss advanced statistical techniques, and to foster new collaborations.
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.
Gravitational Lensing
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Author :
language : en
Publisher:
Release Date : 2004
Gravitational Lensing written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.
Astrophysical Applications Of Gravitational Lensing
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Author : Evencio Mediavilla
language : en
Publisher: Cambridge University Press
Release Date : 2016-10-06
Astrophysical Applications Of Gravitational Lensing written by Evencio Mediavilla 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 2016-10-06 with Science categories.
This book presents gravitational lensing as an essential tool in astrophysics for tracking dark matter at all scales in the Universe.
Proceedings Of The Twenty Sixth General Assembly Prague 2006
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Author : International Astronomical Union. General Assembly
language : en
Publisher: Cambridge University Press
Release Date : 2008-12-18
Proceedings Of The Twenty Sixth General Assembly Prague 2006 written by International Astronomical Union. General Assembly 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 2008-12-18 with Science categories.
IAU Transactions XXVIB contains the Proceedings of the IAU XXVII General Assembly held in Prague, 14-25 August 2006, hosting a total of 2412 participants from 73 countries. The Assembly featured a rich scientific program, comprising 6 Symposia, 17 Joint Discussions and 7 Special Sessions. During the program about 650 papers were presented and more than 1550 posters displayed. The Proceedings of the 6 Symposia have been published in the Proceedings of the IAU Symposia Series, and the proceedings of the Joint Discussions and Special Sessions feature in IAU Highlights of Astronomy, 14. Together with those 7 volumes, these Transactions cover the entire General Assembly. In addition to the scientific program, the XXVI General Assembly hosted the regular Business Meetings of the EC, the 12 Divisions, 40 Commissions and 75 Working Groups. This volume records the organizational and administrative business of the XXVI General Assembly and the status of the IAU membership.
Gravitational Lensing And Microlensing
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Author : Silvia Mollerach
language : en
Publisher: World Scientific
Release Date : 2002-01-15
Gravitational Lensing And Microlensing written by Silvia Mollerach and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-01-15 with Science categories.
This book provides a comprehensive and self-contained exposition of gravitational lensing phenomena. It presents the up-to-date status of gravitational lensing and microlensing, covering the cosmological applications of the observed lensing by galaxies, clusters and the large scale structures, as well as the microlensing searches in the Local Group and its applications to unveil the nature of the galactic dark matter, the search for planetary objects and the distribution of faint stars in our galaxy. Gravitational Lensing and Microlensing is pitched at the level of the graduate student interested in the issues of astrophysics and cosmology, and should be useful for specialist researchers as well. Contents:Historical IntroductionThe Deflection of LightGravitational Lensing TheoryMacrolensing ResultsMicrolensing I: BasicsMicrolensing II: Beyond the Simplest Light CurveCosmology Tools Readership: Graduate students, researchers and academics in astrophysics, astronomy and cosmology. Keywords:Gravitational Lensing;Microlensing;Deflection of Light;MacrolensingReviews:“… here one can find a complete overview of all the recent revolutionary developments of gravitational lensing, with a fully self-consistent treatment of microlensing. The quality and number of didactic illustrations is high … I think that this book should not be missing in scientific libraries that are to be updated on gravitational lensing. It also provides a useful support tool for basic gravitational lensing courses. Finally it can be recommended to researchers who want a rapid overview of the field, without getting swamped into too many details.”General Relativity and Gravitation
Gravitational Lenses
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Author : Peter Schneider
language : en
Publisher: Springer
Release Date : 2012-02-14
Gravitational Lenses written by Peter Schneider and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-02-14 with Science categories.
The theory, observations, and applications ofgravitational lensingconstitute one ofthe most rapidly growing branches ofextragalactic astrophysics. The deflection of light from very distant sources by intervening masses provides a unique possibility for the investigation of both background sources and lens mass distributions. Gravitational lensing manifestsitselfmost distinctly through multiply imaged QSOs and the formation of highly elongated im ages of distant galaxies ('arcs') and spectacular ring-like images of extra galactic radio sources. But the effects of gravitational light deflection are not limited to these prominent image configurations; more subtle, since not directly observable, consequences of lensing are the, possibly strong, mag nification of sources, which may permit observation of intrinsically fainter, or more distant, sources than would be visible without these natural tele scopes. Such light deflection can also affect the source counts of QSOs and of other compact extragalactic sources, and can lead to flux variability of sources owing to propagation effects. Trying to summarizethe theory and observationalstatus ofgravitational lensing in a monograph turned out to be a bigger problem than any of the authors anticipated when we started this project at the end of 1987, encour aged by Martin Harwit, who originally approached us. The development in the field has been very rapid during the last four years, both through the ory and through observation, and many sections have been rewritten several times, as the previous versions became out of date.
Questions Of Modern Cosmology
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Author : Mauro D'Onofrio
language : en
Publisher: Springer Science & Business Media
Release Date : 2009-07-09
Questions Of Modern Cosmology written by Mauro D'Onofrio 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 2009-07-09 with Science categories.
Are we living in the "golden age" of cosmology? Are we close to understanding the nature of the unknown ingredients of the currently most accepted cosmological model and the physics of the early Universe? Or are we instead approaching a paradigm shift? What is dark matter and does it exist? How is it distributed around galaxies and clusters? Is the scientific community open to alternative ideas that may prompt a new scientific revolution - as the Copernican revolution did in Galileo's time? Do other types of supernovae exist that can be of interest for cosmology? Why have quasars never been effectively used as standard candles? Can you tell us about the scientific adventure of COBE? How does the extraction of the Cosmic Microwave Background anisotropy depend on the subtraction of the various astrophysical foregrounds? These, among many others, are the astrophysical, philosophical and sociological questions surrounding modern cosmology and the scientific community that Mauro D'Onofrio and Carlo Burigana pose to some of the most prominent cosmologists of our time. Triggered by these questions and in the spirit of Galileo's book "Dialogue Concerning the Two Chief World Systems" the roughly 40 interview partners reply in the form of essays, with a critical frankness not normally found in reviews, monographs or textbooks.