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Author : International Astronomical Union. Symposium
Publisher : Cambridge University Press
Page : 620 pages
File Size : 42,7 Mb
Release : 2008-08-21
Category : Science
ISBN : 052187470X
State-of-the-art review of the growing field of astrometry, for researchers and graduate students.
Author : Wenjing Jin,Imants Platais,Michael A. C. Perryman
Publisher : Cambridge University Press
Page : 0 pages
File Size : 53,9 Mb
Release : 2008-08-21
Category : Science
ISBN : 052187470X
The Proceedings of IAU S248 reflect the state-of-the-art in the field of astrometry, summarizing the scientific achievements at the tenth anniversary of the Hipparcos and Tycho Catalogue release. It shows the latest achievements in ground-based astrometry and details the progress of second-generation astrometric satellites. Currently, the highest accuracies at a micro-arc-second level are reached by interferometric techniques, especially at radio wavelengths. Establishing and maintaining the celestial reference frame at this level, within a relativistic framework, has been identified as one of astrometry's main tasks. The era of large surveys and virtual observatories brings inevitable changes to the role of astrometry in astronomy. For instance, galactic structure and evolution can be fully understood only by combining astrometric and astrophysical parameters. Finally, due attention is given to astrometric education in astronomy curricula for the twenty-first century. These Proceedings convincingly demonstrate the ever growing role played by astrometry in understanding the Universe.
Author : Ian F. Corbett
Publisher : Cambridge University Press
Page : 548 pages
File Size : 49,8 Mb
Release : 2010-06-03
Category : Science
ISBN : 0521768314
A complete record of the formal organisational and administrative proceedings of the XXVII General Assembly of the International Astronomical Union.
Author : International Astronomical Union
Publisher : Unknown
Page : 116 pages
File Size : 40,9 Mb
Release : 2009
Category : Astronomy
ISBN : UOM:39015081654223
Author : Jean Kovalevsky,P. Kenneth Seidelmann
Publisher : Unknown
Page : 424 pages
File Size : 46,9 Mb
Release : 2011-12-18
Category : Nature
ISBN : 9781139118293
This text details the fundamentals of astrometry at milli- and micro-arcsecond accuracies.
Author : Michael Perryman
Publisher : Cambridge University Press
Page : 973 pages
File Size : 46,7 Mb
Release : 2018-08-30
Category : Science
ISBN : 9781108419772
A complete and in-depth review of exoplanet research, covering the discovery methods, physics and theoretical background.
Author : Michael Perryman
Publisher : Cambridge University Press
Page : 423 pages
File Size : 51,5 Mb
Release : 2011-05-26
Category : Science
ISBN : 9781139498517
Exoplanet research is one of the most explosive subjects in astronomy today. More than 500 exoplanets are now known, and groups world-wide are actively involved in a broad range of observational and theoretical efforts. This book ties together these many avenues of investigation - from the perspectives of observation, technology and theory - to give a comprehensive, up-to-date review of the entire field. All areas of exoplanet investigation are covered, making it a unique and valuable guide for researchers in astronomy and planetary science, including those new to the field. It treats the many different techniques now available for exoplanet detection and characterisation, the broad range of underlying physics, the overlap with related topics in solar system and Earth sciences, and the concepts underpinning future developments. It emphasises the interconnection between the various fields and provides extensive references to more in-depth treatments and reviews.
Author : Michael Perryman
Publisher : Springer Science & Business Media
Page : 290 pages
File Size : 53,5 Mb
Release : 2010-03-20
Category : Science
ISBN : 9783642116025
From prehistoric times, mankind has looked up at the night sky, and puzzled at the changing positions of the stars. How far away they are is a question that has confounded scientists for centuries. Over the last few hundred years, many scientific careers – and considerable resources – have been devoted to measuring their positions and motions with ever increasing accuracy. And in the last two decades of the 20th century, the European Space Agency developed and launched the Hipparcos satellite, around which this account revolves, to carry out these exacting measurements from space. What has prompted these remarkable developments? Why have governments been persuaded to fund them? What are scientists learning from astronomy's equivalent of the Human Genome Project? This book traces the subject's history, explains why such enormous efforts are considered worthwhile, and interweaves these with a first-hand insight into the Hipparcos project, and how big science is conducted at an international level. The involvement of amateur astronomers, and the Hipparcos contributions to climate research, ‘death stars' passing close to the Sun, and the search for extra-solar planets and even intelligent life itself, are some of the surprising facets of this unusual space mission.
Author : Wenjing Jin,Imants Platais,Michael A. C. Perryman
Publisher : Cambridge University Press
Page : 0 pages
File Size : 52,6 Mb
Release : 2008-08-21
Category : Science
ISBN : 052187470X
The Proceedings of IAU S248 reflect the state-of-the-art in the field of astrometry, summarizing the scientific achievements at the tenth anniversary of the Hipparcos and Tycho Catalogue release. It shows the latest achievements in ground-based astrometry and details the progress of second-generation astrometric satellites. Currently, the highest accuracies at a micro-arc-second level are reached by interferometric techniques, especially at radio wavelengths. Establishing and maintaining the celestial reference frame at this level, within a relativistic framework, has been identified as one of astrometry's main tasks. The era of large surveys and virtual observatories brings inevitable changes to the role of astrometry in astronomy. For instance, galactic structure and evolution can be fully understood only by combining astrometric and astrophysical parameters. Finally, due attention is given to astrometric education in astronomy curricula for the twenty-first century. These Proceedings convincingly demonstrate the ever growing role played by astrometry in understanding the Universe.
Author : Vincenzo Antonuccio-Delogu,Joseph Silk
Publisher : Cambridge University Press
Page : 218 pages
File Size : 40,5 Mb
Release : 2010-10-28
Category : Science
ISBN : 0521192544
During the past decade, convincing evidence has been accumulated concerning the effect of active galactic nuclei (AGN) activity on the internal and external environment of their host galaxies. Featuring contributions from well-respected researchers in the field, and bringing together work by specialists in both galaxy formation and AGN, this volume addresses a number of key questions about AGN feedback in the context of galaxy formation. The topics covered include downsizing and star-formation time scales in massive elliptical galaxies, the connection between the epochs of supermassive black hole growth and galaxy formation and the question of whether AGN and star formation coexist. Authors also discuss key challenging computational problems, including jet-interstellar/intergalactic medium interactions, and both jet- and merging-induced star formation. Suitable for researchers and graduate students in astrophysics, this volume reflects the engaging and lively discussions taking place in this emerging field of research.
Author : Adriaan Blaauw
Publisher : Springer Science & Business Media
Page : 311 pages
File Size : 47,5 Mb
Release : 2012-12-06
Category : Science
ISBN : 9789401109789
This History has its origin in a suggestion, made in September 1990 by former IAU General Secretary Derek McNally, who felt "that a 75 year history of the Union was needed before the col lective memory of those who knew the Union before the Second World War vanished. It would then be a preparatory volume to a centennial history in 2019. " Indeed, of those who knew the Union that long ago, few are still with us. Six years ago, at Baltimore on August 2, 1988, listening and reminiscing at the Inaugural Ceremonies of the Union's 20th General Assembly, I realized that it was almost exactly half a century ago that, at the age of 24, I attended the Inaugurations at my "first" Assembly: on August 3, 1938 in Stockholm. Now, in 1994, this is almost 56 years ago, three quarters of the Union's age. Only vague recollections - no better than that -lead me back to this event, just before World War II. And so, this is not a history based on recollection, far from it. Recollection was helpful in that it allowed me, better perhaps than a younger author, to appreciate circumstances under which the letters and reports which form the basis for this History were written. The account is largely based on archival documents, collected from a wide variety of sources.
Author : Dennis D. McCarthy,P. Kenneth Seidelmann
Publisher : Cambridge University Press
Page : 403 pages
File Size : 45,8 Mb
Release : 2018-10-18
Category : Science
ISBN : 9781107197282
This accessible reference presents the evolution of concepts of time and methods of time keeping, for historians, scientists, engineers, and educators. The second edition has been updated throughout to describe twentieth- and twenty-first-century advances, progress in devices, time and cosmology, the redefinition of SI units, and the future of UTC.
Author : International Astronomical Union. Symposium
Publisher : Unknown
Page : 664 pages
File Size : 42,6 Mb
Release : 2011
Category : B stars
ISBN : OCLC:776911457
"IAU Symposium 272 presents an overview of the latest research into active OB stars. These massive, volatile objects serve as test beds for extreme conditions, and research into them has entered a new era with the advent of new space and ground-based instrumentation. In this volume, renowned experts discuss the cutting-edge observations, state-of-the-art modeling and recently developed techniques such as asteroseismology, interferometry and spectropolarimetry that have improved our understanding of these extreme objects. Asteroseismology allows us to infer the internal structure of massive stars and their rotation; high-resolution spectropolarimetry provides clues about magnetic fields and the confinement of their circumstellar environments; and interferometry probes the shape of these environments and investigates differential rotation. Written for researchers and graduate students, this volume will appeal to all those interested in extreme physical processes as tools to study structure evolution and mass loss of active OB stars"--Page 4 of cover.
Author : Space Telescope Science Institute (U.S.). Symposium
Publisher : Cambridge University Press
Page : 274 pages
File Size : 48,5 Mb
Release : 2003-06-26
Category : Medical
ISBN : 0521824591
The Hubble Space Telescope has made some of the most dramatic discoveries in the history of astronomy. From its vantage point 600km above the Earth, Hubble is able to capture images and spectra that would be difficult or impossible to obtain from the ground. This volume represents some of the most important scientific achievements of the Hubble Space Telescope in its first decade of operation. Written by world experts, this is an indispensable collection of review articles for researchers and graduate students.
Author : Caleb A. Scharf
Publisher : University Science Books
Page : 496 pages
File Size : 44,8 Mb
Release : 2009
Category : Science
ISBN : 1891389556
"This book: Provides extensive grounding in key issues of astrophysics, chemistry, biology and geophysics; over 150 images and illustrations; exercises for each chapter, ranging from straightforward calculation problems to more far-ranging research-oriented exercises; an online component for users that includes new exercises and a continually updated blog of late-breaking scientific news items, fully cross referenced with the book; and extensive bibliographies for each chapter."--BOOK JACKET.
