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Circumstellar Media In Late Stages Of Stellar Evolution
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Book Synopsis Circumstellar Media in Late Stages of Stellar Evolution by : Robin E. S. Clegg
Download or read book Circumstellar Media in Late Stages of Stellar Evolution written by Robin E. S. Clegg and published by Cambridge University Press. This book was released on 1994-08-25 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the last throes of their lives, how do low- and high-mass stars interact with their immediate surroundings? How does the circumstellar medium affect the shape of a nebula? How are supernovae effected by a dense medium? And what do we understand of how stellar winds interact with their environments? These and many other exciting issues are addressed in these proceedings, from the 34th Herstmonceux conference, held in Cambridge. Highlights of developments in the field covered in this volume include the latest observational results that show how various types of stellar ejecta differ in shape, and a unified view of the physical processes involved; as well as the latest results on the media around supernovae 1987A and 1993J. This timely volume provides review articles that serve both as an excellent introduction for graduate students, and a handy reference for researchers; and up-to-date research papers for those who want to keep abreast of developments in the field.
Author :Guillermo García-Segura Publisher :Instituto de Astronomia Universidad Nacional Autonoma de Mex ISBN 13 : Total Pages :124 pages Book Rating :4.X/5 (3 download)
Book Synopsis Circumstellar Media and Late Stages of Massive Stellar Evolution by : Guillermo García-Segura
Download or read book Circumstellar Media and Late Stages of Massive Stellar Evolution written by Guillermo García-Segura and published by Instituto de Astronomia Universidad Nacional Autonoma de Mex. This book was released on 2007 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Circumstellar Media and Late Stages of Massive Stellar Evolution by : Guillermo Garcia-Segura
Download or read book Circumstellar Media and Late Stages of Massive Stellar Evolution written by Guillermo Garcia-Segura and published by . This book was released on 2007 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Circumstellar Media in the Late Stages ... by :
Download or read book Circumstellar Media in the Late Stages ... written by and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Circumstellar Matter 1994 by : Graeme D. Watt
Download or read book Circumstellar Matter 1994 written by Graeme D. Watt and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 608 pages. Available in PDF, EPUB and Kindle. Book excerpt: The conference recorded in this volume was one of the events organised to celebrate the centenary of the (re)establishment of the Royal Observatory, Edinburgh, on Blackford Hill in 1884. Circumstellar Matter was selected as the topic because of important contributions toward research in the field by recent observations in the infrared and submillimetre, particularly with the two telescopes which the Observatory has both operated and built instru mentation for - the United Kingdom Infrared Telescope (UKIRT) and the James Clerk Maxwell Telescope (JCMT). The programme aimed to cover as many aspects of circumstellar matter as could fit into a one-week meeting, omitting only planetary nebulae, which had been well served by meetings in the previous two years. We thank the international scientific advisory com mittee (overleaf) for their help in selecting the Invited Reviewers around which the programme was built. The Invited Reviews and oral contributions are included in the order and sections in which they were presented, even where re-ordering might have been more logical. We did not attempt to categorise the poster contributions but have included them in alphabetical order. An evening session for viewing and discussing posters in an unhurried atmosphere was very successful. A competition for the best poster was held and the prize was awarded for that by Lindqvist, Lucas, Olofsson, Omont, Eriksson & Gustafsson.
Book Synopsis Science with the VLT by : Jeremy Walsh
Download or read book Science with the VLT written by Jeremy Walsh and published by Springer Science & Business Media. This book was released on 2013-06-05 with total page 483 pages. Available in PDF, EPUB and Kindle. Book excerpt: ESO's new and exciting telescope, the VLT in Chile, will certainly provide a host of new results in optical astronomy for the years to come. Here now is a survey of numerous possible observations together with the necessary instrumentation, thus affording an exciting overview of frontline research in astronomy rarely published before. The book runs the gamut of optical-IR astronomy from the solar system, the search for planets in nearby stars, the physics of galactic stars and clusters, AGN and quasars, right up to large structure and cosmology. Furthermore, it summarizes the two panel discussions held during the workshop.
Book Synopsis Science with Large Millimetre Arrays by : Peter Shaver
Download or read book Science with Large Millimetre Arrays written by Peter Shaver and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 418 pages. Available in PDF, EPUB and Kindle. Book excerpt: The next major step in millimetre astronomy, and one of the highest-priority items in radio astronomy today, is a large millimetre array with a collecting area 2 of up to 10 000 m . A project of this scale will almost certainly require inter national collaboration, at least within Europe, and possibly with other major partners elsewhere. In order to establish a focal point for this project within Europe, a study has been undertaken by the Institut de Radio Astronomie Mil Ii met rique (IRAM), the European Southern Observatory (ESO), The Onsala Space Observatory (OSO), and The Netherlands Foundation for Research in Astronomy (NFRA). In the context of this project, a workshop attended by some 100 participants was held at ESO Garching on December 11-13, 1995 to discuss the scientific advances such an array will make possible. Throughout the three days of the workshop the strong enthusiasm for the concept of a large millimetre array in the southern hemisphere (the Large South ern Array, or LSA) was obvious, and it became clear that such a facility would have a profound impact on almost all areas of observational astrophysics. It was particularly clear that, since their main science drivers (cosmology, and the origins of galaxies, stars and planets) are the same, and their angular resolutions and sensitivities similar, the LSA and the VLT would strongly complement each other.
Book Synopsis Compact Stars in Binaries by : Jan van Paradijs
Download or read book Compact Stars in Binaries written by Jan van Paradijs and published by Springer Science & Business Media. This book was released on 1996-01-31 with total page 570 pages. Available in PDF, EPUB and Kindle. Book excerpt: IAU symposium 165 'Compact Stars in Binaries' was held from 15 through 19 August 1994, as part of the 22nd General Assembly of the IAU in The Hague. The symposium, supported by IAU Commissions 35,37,44 and 48, and co-sponsored by Commission 42, was attended by about 400 to 500 participants. This symposium received support from: - The International Astronomical Union; - The Royal Netherlands Academy of Sciences; - The Netherlands Ministery of Education and Science; - The Leids Kerkhoven Bosscha Fonds; - The Stichting Fysica. The field of compact stars in binaries is one of the most active areas of present-day astrophysics. An absolute highlight of the last few years was the 1993 Nobel Prize of physics, awarded to Taylor and Hulse for their discovery of the binary pulsar PSR 1913+ 16, and the measurement of the orbital decay of this system due to the emission of gravitational waves. The aim of the organizers of the symposium was to present an overview of the most significant observational discoveries of the past decade, in com bination with a review of the most important theoretical developments. We were very happy that most of the world's leading experts in observation and theory were present at the symposium to review the various aspects of the subject. The contents of their oral presentations are now published in the form of these proceedings, which we expect to become an important source of reference for the coming years.
Book Synopsis Eta Carinae and the Supernova Impostors by : Kris Davidson
Download or read book Eta Carinae and the Supernova Impostors written by Kris Davidson and published by Springer Science & Business Media. This book was released on 2012-03-15 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 1965 Fritz Zwicky proposed a class of supernovae that he called "Type V", described as "excessively faint at maximum". There were only two members, SN1961v and Eta Carinae. We now know that Eta Carinae was not a true supernova, but if it were observed today in a distant galaxy we would call it a "supernova impostor". 170 years ago it experienced a "great eruption" lasting 20 years, expelling 10 solar masses or more, and survived. Eta Carinae is now acknowledged as the most massive, most luminous star in our region of the Galaxy, and it may be our only example of a very massive star in a pre-supernova state. In this book the editors and contributing authors review its remarkable history, physical state of the star and its ejecta, and its continuing instability. Chapters also include its relation to other massive, unstable stars, the massive star progenitors of supernovae, and the "first" stars in the Universe.
Book Synopsis The Role of VLBI in Astrophysics, Astrometry and Geodesy by : Franco Mantovani
Download or read book The Role of VLBI in Astrophysics, Astrometry and Geodesy written by Franco Mantovani and published by Springer Science & Business Media. This book was released on 2004-06-22 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt: A masterly survey of the last 13 years of Very Long Baseline Interferometry, reviewed in light of the most advanced astronomical observations. Topics covered include: Nonthermal emission from extragalactic radio sources; Principles of synchrotron emission in relation to astrophysics; Theory of relativistic jets; Young, powerful radio sources and their evolution; Scintillation in extragalactic radio sources; Radio and optical interferometry; Radio polarimetry; Unified schemes; Deep fields; Tropospheric and ionospheric phase calibration; Supernovae; VLBI for geodesy and geodynamics.
Book Synopsis CO: Twenty-Five Years of Millimeter-Wave Spectroscopy by : William B. Latter
Download or read book CO: Twenty-Five Years of Millimeter-Wave Spectroscopy written by William B. Latter and published by Springer Science & Business Media. This book was released on 2013-12-01 with total page 509 pages. Available in PDF, EPUB and Kindle. Book excerpt: Interstellar carbon monoxide (CO) was first detected in 1970 with the 36 foot diameter telescope of the National Radio Astronomy Observatory! on Kitt Peak in Southern Arizona. R. W. Wilson, K. B. Jefferts, and A. A. Penzias of Bell Labs reported, "We have found intense 2.6 mm line radiation 2 from nine Galactic sources which we attribute to carbon monoxide." Soon afterward, several other basic molecules were also observed in space. IAU Symposium 170, CO: Twenty Five Years of Millimeter Wave Spectroscopy, was organized to commemorate those discoveries. The Symposium reviewed the accomplishments of a quarter century of research on interstellar molec ular gas, surveyed the current state of millimeter-wave spectroscopy, and gave a glimpse of what the next 25 years might hold. Studies of interstellar CO have revolutionized our understanding of the phases and dynamics of the interstellar medium, the initial and final stages of stellar evolution, the chemistry of dense and diffuse interstellar matter and of the solar system, the structure of the Milky Way galaxy, and the content and structure of other galaxies, some very distant. Spectroscopic studies of CO and other molecules are primary tools for investigating all these topics, which are among the most fundamental and active research areas in astrophysics. New developments in instrumentation, including sev eral powerful new telescopes, continue to keep millimeter and submillimeter wavelength radio astronomy at the forefront of research.
Author :International Astronomical Union. Symposium Publisher :Springer Science & Business Media ISBN 13 :9780792363460 Total Pages :672 pages Book Rating :4.3/5 (634 download)
Book Synopsis The Carbon Star Phenomenon by : International Astronomical Union. Symposium
Download or read book The Carbon Star Phenomenon written by International Astronomical Union. Symposium and published by Springer Science & Business Media. This book was released on 2000-07-31 with total page 672 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the 177th Symposium of the International Astronomical Union, held in Antalya, Turkey, May 27-31, 1996
Book Synopsis Pulsation, Rotation and Mass Loss in Early-Type Stars by : Luis A. Balona
Download or read book Pulsation, Rotation and Mass Loss in Early-Type Stars written by Luis A. Balona and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 554 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this Symposium, researchers specializing in pulsation, rotation, magnetic fields and stellar winds are brought together for the first time in order to broaden our understanding of O and B stars. Thanks to advances in digital spectroscopy, new types of pulsating B stars have been discovered. The pulsations can be understood in terms of the recent revision of metal opacities, but the effects of rapid rotation and magnetic fields need further study. Observations in the UV and X-ray regions demonstrate that many B and Be stars show other activity, besides pulsation which is not yet understood. The reason for the enhanced mass loss in Be stars is a question which dominates the Symposium and which remains unanswered, although it is surely to be found in activity at or near the photosphere coupled with rotation. It is shown that the geometry of the circumstellar envelopes around Be stars is indeed a flattened disk as they can now be optically resolved. The variability of radiatively-driven winds from O and B stars are likely related to the rotation of the star. This underlines the central theme of the book: that the various phenomena seen in these stars cannot be studied in isolation.
Book Synopsis Evolution of Massive Stars by : D. Vanbeveren
Download or read book Evolution of Massive Stars written by D. Vanbeveren and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: Massive stars occupy an exceptional place in general astrophysics. They trigger many if not all of the important processes in galactic evolution whereas due to their intrinsic brightness, they offer the (only until now) possibility to study the stellar content and stellar behaviour in distant galaxies. The last, say, 25 years, massive stars have been the subject of numerous meetings discussing the influence of massive stars on population synthesis, the number distribution of different types of massive stars, the LBV phenomenon, WR stars, X-ray binaries, stellar winds in massive stars, chemical pecularities in massive stars, supernova explosions of massive stars and the important SN1987A event, the influence of massive stars and chemical evolution of galaxies. It is clear that without a theory of stellar evolution, the study of these topics loses a lot of its significance. Massive star evolution therefore got a chance in these meetings, but rarely as a prime subject. The state of the art, the physical processes and the uncertainties in stellar evolution were barely touched. Even more, the influence of close binaries in all these massive star meetings slowly disappeared the last, say, 13 years without any scientific justification, although a significant fraction of stars occurs in close binaries with periods small enough so that both components will interact during their evolution. Denying the binaries or not discussing their influence on results and conclusions, makes the latter very uncertain or even completely unreliable.
Book Synopsis Dust and Molecules in Evolved Stars by : I. Cherchneff
Download or read book Dust and Molecules in Evolved Stars written by I. Cherchneff and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dust and molecules are found in a large variety of astrophysical environments, in particular in the circumstellar material ejected by evolved stars. This book brings together the leading astronomers and astrophysicists in the field of molecular astrophysics and stellar physics to discuss the important issues of dust and molecular formation, the role of solids in circumstellar environments, molecules as probes of circumstellar parameters, the stellar contribution to the enrichment of the Galaxy, and the latest observational data in various wavelength domains, in partiular in the infrared with results from the Infrared Space Observatory. The astrophysical senarios include late-type stars, novae, Wolf-Rayet stars, Luminous Blue Variables and supernovae. Audience: Researchers and graduate students in the fields of stellar physics, stellar evolution and astrochemistry.
Download or read book B[e] Stars written by Anne Marie Hubert and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: The idea of having a meeting came to the Editors when working on several aspects of galactic Be and B[e] stars. They found that a general summary of the properties of B[e] stars was missing, so that the organiza tion of a first meeting on these objects appeared as very useful. B[e] stars have hydrogen line emission and forbidden [Fe 11] and [0 I] emission lines in their spectra; they are also characterized by a strong IR excess due to circumstellar dust. Having a large amount of extinction in the UV and the visual they have been less frequently observed than other emission line objects. Although about one hundred galactic objects have been classified as B[e], only fif teen or so have been studied in some detail. Besides this, the evolutionary status of these objects is rat her controversial, are they pre-main sequence or stars on the way to become nUclei of planetary nebulae? Other difficult problems appear when considering the relations of these stars with other similar groups, like Herbig AeBe stars, Be, luminous blue variables and the superluminous B[e] stars observed in the Magellanic Clouds. The conference seems timely since large surveys like DENIS and 2Mass, plus new space and new instruments for the micron, millimeter and cen timeter wavelength region will result in the discovery of more stars of this group.
Author :International Astronomical Union. Symposium Publisher :Springer Science & Business Media ISBN 13 :9780792345381 Total Pages :630 pages Book Rating :4.3/5 (453 download)
Book Synopsis Molecules in Astrophysics: Probes and Processes by : International Astronomical Union. Symposium
Download or read book Molecules in Astrophysics: Probes and Processes written by International Astronomical Union. Symposium and published by Springer Science & Business Media. This book was released on 1997 with total page 630 pages. Available in PDF, EPUB and Kindle. Book excerpt: Molecules are found in a large variety of astronomical environments, ranging from comets in the solar system to galaxies at high redshift. This book brings together astronomers, physicists and chemists to discuss the use of molecules as probes of astrophysical parameters, explore their role in the evolution of astronomical objects, and study the basic chemical processes that occur in space.
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