High Angular Resolution In Astrophysics
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High Angular Resolution In Astrophysics
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Author : A. Lagrange
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
High Angular Resolution In Astrophysics written by A. Lagrange 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.
Over the last decade many efforts have been made to develop high angular resolution techniques in astrophysics. Combined with imaging facilities, they have rapidly proved their efficiency and have already led to major astrophysical results. During the decade to come, astronomers will be offered new, even more sophisticated high angular resolution tools, especially in the IR and optical domains, coupled with much bigger telescopes, either on the ground or in space. In such a context of rapidly evolving techniques and a growing need for higher angular resolution to test theories or discover new objects, the present book reviews both instrumental and scientific aspects. The main questions addressed are: what kind of science will benefit from high angular resolution techniques? How can they best be used? Audience: The book is accessible to students and research workers in both instrumental and astrophysical aspects.
Ultraviolet Visible And Gravity Astrophysics
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Author :
language : en
Publisher:
Release Date : 1992
Ultraviolet Visible And Gravity Astrophysics written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Space astronomy categories.
Astrotomography
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Author : H.M.J. Boffin
language : en
Publisher: Springer
Release Date : 2008-01-11
Astrotomography written by H.M.J. Boffin and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008-01-11 with Science categories.
This comprehensive and unique reference work on astro-tomography is based on expanded and suitably edited contributions to the 1st International Workshop on Astro-tomography. The focus is on studying indirect imaging and subsequent reconstruction techniques with applications in all areas of observational astronomy, astrophysics and cosmology. Detailed subject and object indexes, together with a list of useful resources on the Internet, will help the reader to use this book in a most efficient way.
Optics In Astrophysics
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Author : Renaud Foy
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-01-14
Optics In Astrophysics written by Renaud Foy 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 2006-01-14 with Science categories.
Astrophysics is facing challenging aims such as deep cosmology at redshift higher than 10 to constrain cosmology models, or the detection of exoplanets, and possibly terrestrial exoplanets, and several others. It requires unprecedented ambitious R&D programs, which have definitely to rely on a tight cooperation between astrophysics and optics communities. The book addresses most of the most critical interdisciplinary domains where they interact, or where they will do. A first need is to collect more light, i.e. telescopes still larger than the current 8-10 meter class ones. Decametric, and even hectometric, optical (from UV to IR wavelengths) telescopes are being studied. Whereas up to now the light collecting surface of new telescopes was approximately 4 times that of the previous generation, now this factor is growing to 10 to 100. This quantum leap urges to implement new methods or technologies developed in the optics community, both in academic labs and in the industry. Given the astrophysical goals and technological constraints, new generation adaptive optics with a huge number of actuators and laser guide stars devices have to be developed, from theoretical bases to experimental works. Two other newcomers in observational astrophysics are interferometric arrays of optical telescopes and gravitational wave detectors. Up-to-date reviews of detectors and of spectrographs are given, as well as forefront R&D in the field of optical coatings and of guided optics. Possible new ways to handle photons are also addressed, based on quantum physics. More and more signal processing algorithms are a part and parcel of any modern instrumentation. Thus finally the book gives two reviews about wavefront processing and about image restoration and deconvolution algorithms for ill conditioned cases.
Nasa Reference Publication
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Author :
language : en
Publisher:
Release Date : 1990
Nasa Reference Publication written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Astronautics categories.
Astronomy At High Angular Resolution
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Author : Henri M. J. Boffin
language : en
Publisher: Springer
Release Date : 2016-08-24
Astronomy At High Angular Resolution written by Henri M. J. Boffin and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-08-24 with Science categories.
This book offers an essential compendium of astronomical high-resolution techniques. Recent years have seen considerable developments in such techniques, which are critical to advances in many areas of astronomy. As reflected in the book, these techniques can be divided into direct methods, interferometry, and reconstruction methods, and can be applied to a huge variety of astrophysical systems, ranging from planets, single stars and binaries to active galactic nuclei, providing angular resolution in the micro- to tens of milliarcsecond scales. Written by experts in their fields, the chapters cover adaptive optics, aperture masking imaging, spectra disentangling, interferometry, lucky imaging, Roche tomography, imaging with interferometry, interferometry of AGN, AGN reverberation mapping, Doppler- and magnetic imaging of stellar surfaces, Doppler tomography, eclipse mapping, Stokes imaging, and stellar tomography. This book is intended to enable a next generation of astronomers to apply high-resolution techniques. It informs readers on how to achieve the best angular resolution in the visible and near-infrared regimes from diffraction-limited to micro-arcsecond scales.
Essential Astrophysics
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Author : Kenneth R. Lang
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-05-24
Essential Astrophysics written by Kenneth R. Lang 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 2013-05-24 with Science categories.
Essential Astrophysics is a book to learn or teach from, as well as a fundamental reference volume for anyone interested in astronomy and astrophysics. It presents astrophysics from basic principles without requiring any previous study of astronomy or astrophysics. It serves as a comprehensive introductory text, which takes the student through the field of astrophysics in lecture-sized chapters of basic physical principles applied to the cosmos. This one-semester overview will be enjoyed by undergraduate students with an interest in the physical sciences, such as astronomy, chemistry, engineering or physics, as well as by any curious student interested in learning about our celestial science. The mathematics required for understanding the text is on the level of simple algebra, for that is all that is needed to describe the fundamental principles. The text is of sufficient breadth and depth to prepare the interested student for more advanced specialised courses in the future. Astronomical examples are provided throughout the text, to reinforce the basic concepts and physics, and to demonstrate the use of the relevant formulae. In this way, the student learns to apply the fundamental equations and principles to cosmic objects and situations. Astronomical and physical constants and units as well as the most fundamental equations can be found in the appendix. Essential Astrophysics goes beyond the typical textbook by including references to the seminal papers in the field, with further reference to recent applications, results, or specialised literature.
Currents In Astrophysics And Cosmology
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Author : G. G. Fazio
language : en
Publisher: Cambridge University Press
Release Date : 1993-10-28
Currents In Astrophysics And Cosmology written by G. G. Fazio 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 1993-10-28 with Science categories.
Currents in Astrophysics and Cosmology focuses primarily on cosmic-ray physics, X-ray, gamma-ray and neutrino astronomy and cosmology, the main research areas of Professor Maurice M. Shapiro, whose 75th birthday the collection of articles celebrates. Professor Shapiro is internationally distinguished for his contributions to the development of cosmic-ray physics. Each chapter is written by a leading scientist in the field. The scope extends from the inner solar system to distant radio galaxies. The book is ideal for graduate students and scientists working in cosmic-ray astrophysics. This valuable survey will be welcomed not only for its articles by world-renowned scientists but also for its coverage of many topics in high-energy astrophysics, the combination of which makes the book unique.
Astrophysics On The Threshold Of The 21st Century
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Author : N. S. Kardashev
language : en
Publisher: Taylor & Francis
Release Date : 1992
Astrophysics On The Threshold Of The 21st Century written by N. S. Kardashev and has been published by Taylor & Francis this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Science categories.
Reports on the current status of some of the major problems in astrophysics, such as solar and solar-system physics, the physics of different scales of astronomical objects, the evolution of the universe, and the search for extraterrestrial life. The 22 reviews also include reminiscences on the history of the discipline in the Soviet Union, and speculations on its course over the next century. Translated from the Russian. Annotation copyrighted by Book News, Inc., Portland, OR
Very High Angular Resolution Imaging
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Author : J.G. Robertson
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-12-01
Very High Angular Resolution Imaging written by J.G. Robertson 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 2013-12-01 with Science categories.
The 1990s are proving to be a very exciting p&iod for high angular resolution astronomy. At radio wavelengths a combination of new array instruments and pow erful imaging algorithms have generated images of unprecedented resolution and quality. In the optical and infrared, the great technical difficulties associated with constructing separated-aperture interferometers have been largely overcome, and many new instruments are now operating or are being developed. As these pro grams start to produce observational results they will be able to draw extensively on the experience gained by the radio-interferometry community. Thus it seemed that the time was ripe for a meeting which would bring together workers from all wavelength ranges to discuss the details of the science and art of "Very High Angular Resolution Imaging" . While the main emphasis of Symposium No. 158 was on high resolution tech niques from the radio, mm-wave, infrared and optical bands, it also provided an opportunity for presentation of astronomical results from these techniques. As well as giving our colleagues from the Northern Hemisphere a break from midwinter, the location of the Symposium in Australia recognised the continuing development of astronomical interferometry in this country, especially the recent completion of the Australia Telescope radio array, and the progress toward com missioning of the Sydney University Stellar Interferometer. A number of the par ticipants visited these instruments during the post-symposium tour.