Imaging At High Angular Resolution Of Stellar Surfaces And Close Environment
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Imaging At High Angular Resolution Of Stellar Surfaces And Close Environment
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Author : Nicolas Nardetto
language : en
Publisher: EDP Sciences
Release Date : 2019-09-26
Imaging At High Angular Resolution Of Stellar Surfaces And Close Environment written by Nicolas Nardetto and has been published by EDP Sciences this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-09-26 with Science categories.
Imaging at high angular resolution (HRA) is a ?ourishing discipline. High performance instruments like the spectro-polarimeter SPHERE at VLT/ESO has recently been implemented. A harvest of splendid results is continuously coming from interferometry with PIONIER, MATISSE, and now GRAVITY (all at VLTI/ESO), VEGA and JouFlu (CHARA), and at longer wavelengths with ALMA at VLTI/ESO and NOEMA/IRAM. The future is already underway with the very close launch of JWST/NASA, and the development of ELT at ESO. HRA provides a unique way to study regions of stellar formation, proto-planetary discs as well as the surfaces of stars and their environments. This volume offers lectures given by world experts in the ?eld during the EvrySchatzman School on Stellar Physics (EES 2017) held in Roscoff, France. The addressed topics include a course of introduction to optical/IR interferometry covering the history and basic principles, a course on diffraction-dominated observational astronomy, and a course presenting the principles and instrumentation of optical long baseline interferometry. This book will be a valuable reference for researchers and students in the coming years.
Imaging At High Angular Resolution Of Stellar Surfaces And Close Environment
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Author : Nicolas Nardetto
language : en
Publisher:
Release Date : 2019
Imaging At High Angular Resolution Of Stellar Surfaces And Close Environment written by Nicolas Nardetto and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with 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.
High Angular Resolution Stellar Interferometry
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Author :
language : en
Publisher:
Release Date : 1985
High Angular Resolution Stellar Interferometry written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Interferometry categories.
High Angular Resolution Stellar Interferometry
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Author : International Astronomical Union. Colloquium
language : en
Publisher:
Release Date : 1979
High Angular Resolution Stellar Interferometry written by International Astronomical Union. Colloquium and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with Astronomical photometry categories.
Encyclopedia Of Astrobiology
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Author : Muriel Gargaud
language : en
Publisher: Springer Nature
Release Date : 2023-07-27
Encyclopedia Of Astrobiology written by Muriel Gargaud and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-07-27 with Science categories.
Now in its third edition the Encyclopedia of Astrobiology serves as the key to a common understanding in the extremely interdisciplinary community of astrobiologists. Each new or experienced researcher and graduate student in adjacent fields of astrobiology will appreciate this reference work in the quest to understand the big picture. The carefully selected group of active researchers contributing to this work are aiming to give a comprehensive international perspective on and to accelerate the interdisciplinary advance of astrobiology. The interdisciplinary field of astrobiology constitutes a joint arena where provocative discoveries are coalescing concerning, e.g. the prevalence of exoplanets, the diversity and hardiness of life, and its chances for emergence. Biologists, astrophysicists, (bio)-chemists, geoscientists and space scientists share this exciting mission of revealing the origin and commonality of life in the Universe. With its overview articles and its definitions the Encyclopedia of Astrobiology not only provides a common language and understanding for the members of the different disciplines but also serves for educating a new generation of young astrobiologists who are no longer separated by the jargon of individual scientific disciplines. This new edition offers ~170 new entries. More than half of the existing entries were updated, expanded or supplemented with figures supporting the understanding of the text. Especially in the fields of astrochemistry and terrestrial extremophiles but also in exoplanets and space sciences in general there is a huge body of new results that have been taken into account in this new edition. Because the entries in the Encyclopedia are in alphabetical order without regard for scientific field, this edition includes a section “Astrobiology by Discipline” which lists the entries by scientific field and subfield. This should be particularly helpful to those enquiring about astrobiology, as it illustrates the broad and detailed nature of the field.
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.
Close Binaries In The 21st Century New Opportunities And Challenges
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Author : Alvaro Gimenez
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-04-05
Close Binaries In The 21st Century New Opportunities And Challenges written by Alvaro Gimenez 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 2007-04-05 with Science categories.
This book is the proceedings of an international conference entitled "Close Binaries in the 21st Century: New Opportunities and Challenges", held in Syros island, Greece, June 27-30, 2005. The papers collected in this volume detail the latest achievements in the field and reflect the state of the art of the dynamically evolving area of binary star research.
Active Close Binaries
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Author : Cafer Ibanogammalu
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Active Close Binaries written by Cafer Ibanogammalu 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.
Since the 1970s symposia or colloquia devoted to recent research on close binaries have been held around the world almost annually. At meetings of the General Assembly of the International Astronomical Union this topic has also been discussed in detail at presentations in various commission meetings and also as invited talks by leading astronomers in the field. In recent years, fundamental changes have taken place in the study of close binaries due to the improvements in observational techniques, extension of observations from X-ray to radio regions of the electromagnetic spectrum, and advances in theoretical studies. For more than a decade, a group of astronomers at Ege University Observatory has been concentrating on active close binaries with particular emphasis on the behaviour of the light curves of chromospherically active systems. Thus, we decided to organize an international meeting in Western Anatolia, where this part of Turkey had been the cradle for great developments in science during antiquity. KUljadasi, located only minutes away from Ephesus, one of the seven wonders of the world, was selected to be the meeting site. Close binary systems constitute a very rich source of information about the physical properties of the component stars. Some systems are eclipsing variables, where periodic recurrences of eclipses are observed as comparatively brief decreases in the total brightness of the binary system. Precise methods of photometric observations make it possible to obtain the light variations of these systems because of eclipses and other phenomena.
Stellar Surface Structure
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Author : Klaus G. Strassmeier
language : en
Publisher: Springer
Release Date : 1996-05-31
Stellar Surface Structure written by Klaus G. Strassmeier and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996-05-31 with Science categories.
In the past decade, indirect (Doppler) imaging techniques have opened up a whole new discipline in stellar astronomy, providing increasingly detailed photometric, magnetic, and chemical inhomogeneity images of stellar surfaces. Furthermore, new optical interferometers are already being used with sophisticated interferometer techniques to image stellar surface structures more directly, and in the future the ESO VLT Interferometer and other instruments will extend these capabilities enormously. These developments are highlighted in the first two sections of this book. The large number of recent results, ground-based and space-based, and the lack of a generally accepted dynamo theory with predictive power for the stars and the Sun, result in an ever-growing complexity of interpretation of individual results. The IAU Symposium 176 on `Stellar Surface Structure' consequently focused on spatially resolved stellar observations throughout the H-R diagram, from O- and B-stars to late M-stars. Two further sections in this book summarize the current observational data on surface inhomogeneities in stellar photospheres, chromospheres, and coronae. Finally, a special section is devoted to next generation model atmospheres.