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Author : George P. McCook
Publisher :
ISBN 13 :
Total Pages : 138 pages
Book Rating : 4.3/5 (91 download)
Download or read book A Catalogue of Spectroscopically Identified White Dwarfs written by George P. McCook and published by . This book was released on 1984 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : George-Patrick Mccook
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (946 download)
Download or read book Spectro\wdwarf written by George-Patrick Mccook and published by . This book was released on 1987 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : E. Sion
Publisher : Springer Science & Business Media
ISBN 13 : 1402037252
Total Pages : 260 pages
Book Rating : 4.4/5 (2 download)
Download or read book White Dwarfs: Cosmological and Galactic Probes written by E. Sion and published by Springer Science & Business Media. This book was released on 2005-12-08 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt: The emphasis on white dwarf stars and cosmology arises from the most recent advances in cosmological and galactic structure research in which white dwarf stars are playing a very prominent role. Examples are Type Ia supernovae (i.e. white dwarf supernovae), the origin and evolution of the universe, the age of the galactic disk, cosmochronology using white dwarfs in globular clusters and galactic clusters, and the physics of accretion onto compact (very dense) stars. As an assisting guide to the reader, we have included, by invitation, comprehensive review articles in each of the four major areas of the book, white dwarf supernovae, cosmology, accretion physics and galactic structure. The reviews include introductory material that they build upon. The book is suitable and most useful to advanced undergraduates, graduate students and scientific professionals (e.g. astronomers, astrophysicists, cosmologists, physicists).
Author : George P. McCook
Publisher :
ISBN 13 :
Total Pages : 136 pages
Book Rating : 4.0/5 ( download)
Download or read book A Catalogue of Spectroscopically Indentified White Dwarfs written by George P. McCook and published by . This book was released on 1984 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : A.G. Agayev
Publisher : Springer Science & Business Media
ISBN 13 : 9400979622
Total Pages : 84 pages
Book Rating : 4.4/5 (9 download)
Download or read book Catalogue of White Dwarfs written by A.G. Agayev and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : G. Vauclair
Publisher : Springer Science & Business Media
ISBN 13 : 9401132305
Total Pages : 460 pages
Book Rating : 4.4/5 (11 download)
Download or read book White Dwarfs written by G. Vauclair and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt: The European Workshop on White Dwarfs was initiated by Prof. V. Weidemann, with the first meeting organized in Kiel (FRG) in 1974. Almost every two years, an increasing number of astronomers met to share their results and projects in the subsequent workshops: Frascati (1976), Tel Aviv (1978), Paris (1981), Kiel (1984), Frascati (1986). In the mean time, two major IAU colloquia (No. 53 in Rochester, NY, 1979; and No. 114 in Hanover, NH, 1988) emphasized the importance of these stars for our understanding of stellar evolution. The informal organization of the white dwarf community has been the starting point for large cooperative projects of which the Hubble Space Telescope "White Dwarf Consortium" and the "Whole Earth Telescope" are the most spectacular examples. But many other successful collaborations have also been born during the very exciting discussions conducted in the last 16 years on the occasion of our regular meetings. The 7th European Workshop on White Dwarfs took place the year of the seventieth birthday of Prof. Evry Schatzman, whose pioneering work has been the inspiration for many of the new ideas in the white dwarf community. The Scientific Organizing Committee has agreed to dedicate the workshop to him on this occasion. We are pleased to publish as an introduction to the workshop, the text of the talk delivered by Prof. Schatzman at the workshop's banquet.
Author : J. Isern
Publisher : Springer Science & Business Media
ISBN 13 : 9401155429
Total Pages : 470 pages
Book Rating : 4.4/5 (11 download)
Download or read book White Dwarfs written by J. Isern and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 470 pages. Available in PDF, EPUB and Kindle. Book excerpt: The study of white dwarfs has been steadily growing during the last years and now is a mature field extending its influence over many others. Since white dwarfs are long lived objects, they can be used to obtain information about the history of the Galaxy. The simplicity of their structures enables them to act as precise particle physics laboratories and the extreme con ditions reached at their surfaces allow us to test the equation of state and to study the behavior of matter under conditions impossible to be reached in terrestrial laboratories. Nevertheless, white dwarfs are still challenging astrophysicists. Many questions, ranging from the determination of funda mental parameters to the evolution of their outer layers, are still waiting for a satisfactory answer. The European Workshop series on White Dwarfs started in 1974 as a con sequence of the effort and enthusiasm of Professor Volker Weidemann. The existing proceedings of these meetings, together with those corresponding to the lAU Colloquia held in Rochester (1979) and in Hanover (1988), provide a unique opportunity to follow the development of this field. We hope that the present volume will provide a representative snapshot of the state of the art in 1996. In this sense we are very indebted to all the participants that have sent their contributions according to the instructions (this clearly excludes everybody beyond three sigmas from the standards).
Author : International Astronomical Union
Publisher : Springer Science & Business Media
ISBN 13 : 9789027701800
Total Pages : 180 pages
Book Rating : 4.7/5 (18 download)
Download or read book White Dwarfs written by International Astronomical Union and published by Springer Science & Business Media. This book was released on 1971-06-30 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of IAU Symposium 42, held at St. Andrews, Fife, Scotland, August 11-13, 1970
Author : Astronomical Data Center (U.S.)
Publisher :
ISBN 13 :
Total Pages : 280 pages
Book Rating : 4.3/5 (91 download)
Download or read book Astronomical Catalog Desk Reference written by Astronomical Data Center (U.S.) and published by . This book was released on 1994 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : E. Sion
Publisher : Springer Science & Business Media
ISBN 13 : 9781402036934
Total Pages : 288 pages
Book Rating : 4.0/5 (369 download)
Download or read book White Dwarfs: Cosmological and Galactic Probes written by E. Sion and published by Springer Science & Business Media. This book was released on 2005-08-25 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: The emphasis on white dwarf stars and cosmology arises from the most recent advances in cosmological and galactic structure research in which white dwarf stars are playing a very prominent role. Examples are Type Ia supernovae (i.e. white dwarf supernovae), the origin and evolution of the universe, the age of the galactic disk, cosmochronology using white dwarfs in globular clusters and galactic clusters, and the physics of accretion onto compact (very dense) stars. As an assisting guide to the reader, we have included, by invitation, comprehensive review articles in each of the four major areas of the book, white dwarf supernovae, cosmology, accretion physics and galactic structure. The reviews include introductory material that they build upon. The book is suitable and most useful to advanced undergraduates, graduate students and scientific professionals (e.g. astronomers, astrophysicists, cosmologists, physicists).
Author :
Publisher :
ISBN 13 :
Total Pages : 748 pages
Book Rating : 4.:/5 (31 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1980 with total page 748 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Author : Zachary Philip Vanderbosch
Publisher :
ISBN 13 :
Total Pages : 390 pages
Book Rating : 4.:/5 (13 download)
Download or read book From Pulsations to Planetary Debris written by Zachary Philip Vanderbosch and published by . This book was released on 2021 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt: The final fates of stars and their planetary systems are in most cases embodied by white dwarfs. These are the compact remnants of stellar evolution for all low- to intermediate-mass stars in our Galaxy, including the Sun. The relative simplicity of white dwarfs makes them valuable tools in a variety of astrophysical contexts, from placing limits on the age of our Galaxy, to measuring the bulk abundances of exoplanets via the presence of actively accreted metals in their atmospheres. White dwarfs can also exhibit photometric variability for a variety of reasons, both as isolated stars and in binary systems, providing insights into white dwarf structure and circumstellar environments. In this dissertation we first present novel techniques to identify variable white dwarfs in modern time-domain photometric surveys. We then focus on identifying and characterizing two types of variable white dwarfs: those that pulsate and those being transited by circumstellar planetary debris. Using the unprecedented number of white dwarfs observed by Gaia and the Zwicky Transient Facility (ZTF), we define a set of variability metrics based on these publicly available catalogues to efficiently identify variable white dwarfs across the Gaia color magnitude diagram. We then present a dedicated search for pulsating He-atmosphere white dwarfs (DBVs) using McDonald Observatory follow-up observations, in an attempt to better define the observed extent of the helium-atmosphere white dwarf instability strip. We increase the number of DBVs from 28 to 47 using Sloan Digital Sky Survey spectroscopy to initially identify candidate DBVs. We find the observed blue and red edges of the DB instability strip are still hotter than theoretical expectations by about 1500K and 600K, respectively. Using our set of Gaia and ZTF variability metrics, we identify and characterize the second and third cases of white dwarfs with recurring planetary debris transits, with debris orbital periods differing by more than two orders of magnitude. These objects, in combination with the first known system, probe a unique parameter space constraining earlier stages of the planetary debris disruption and migration process
Author : M. A. C. Perryman
Publisher : Cambridge University Press
ISBN 13 : 0521514894
Total Pages : 695 pages
Book Rating : 4.5/5 (215 download)
Download or read book Astronomical Applications of Astrometry written by M. A. C. Perryman and published by Cambridge University Press. This book was released on 2009 with total page 695 pages. Available in PDF, EPUB and Kindle. Book excerpt: An authoritative account of the contributions to science made by the Hipparcos satellite, for astronomers, astrophysicists and cosmologists.
Author : W.J. Luyten
Publisher : Springer Science & Business Media
ISBN 13 : 9401030812
Total Pages : 172 pages
Book Rating : 4.4/5 (1 download)
Download or read book White Dwarfs written by W.J. Luyten and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: When the Executive Committee of the International Astronomical Union asked me, in 1968, to organize a Symposium on White Dwarfs it became evident that members of at least four Commissions of the IAU should participate, and that the most oppor tune place, and time to hold such a Symposium would be somewhere in the British Isles and just preceding the Fourteenth General Assembly at Brighton in August, 1970. After a preliminary correspondence with Dr. D. W. N. Stibbs it was decided to accept his invitation to hold the Symposium at St. Andrews University, Scotland, while the dates 11-13 August 1970 were selected. I am sure I speak for all the partici pants of the Symposium when I express our deep gratitude to Dr. Stibbs for the admirable way in which he planned and organized this meeting down to the smallest details - the success of the conference is due in no small measure to his continuous and painstaking efforts. An organizing committee was formed, consisting of O. J. Eggen (Photometry), J. L. Greenstein (Spectroscopy), A. G. Masevitch (Stellar Interiors), V. Weidemann (Stellar Atmospheres), D. W. N. Stibbs (local chairman), with myself (Proper Motions and Parallaxes) as overall chairman.
Author : Richard M. West
Publisher : Springer Science & Business Media
ISBN 13 : 9400953925
Total Pages : 717 pages
Book Rating : 4.4/5 (9 download)
Download or read book Reports on Astronomy written by Richard M. West and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 717 pages. Available in PDF, EPUB and Kindle. Book excerpt: volume XIX A of IAU Transactions contains the reports by Presidents of Commissions, covering the period July 1981 - June 1984. The topics of IAU Commissions deal with all of contemporary astronomy and the present volume therefore constitutes an exhaustive and unique record of astronomical research during this interval. It is particularly useful for astronomers and other scientists who want to gain an overview of a certain field, not necessarily near their own research area. Each Commission President was requested, by early 1984, to begin prep arations for the compilation of his/her Commission report. All members of Commissions were asked to supply details about their individual research pro grammes. The ensuing, very substantial task of concatenating was undertaken in late 1984 by the Presidents, often supported by a team of authors, all recog nized authorities in their fields. In order to preserve some measure of uni formity - which is in any case very difficult with so many authors - editorial guidelines were sent to Presidents, including the number of pages allotted to each Commission.
Author : Martin A. Barstow
Publisher : Cambridge University Press
ISBN 13 : 1139435124
Total Pages : 412 pages
Book Rating : 4.1/5 (394 download)
Download or read book Extreme Ultraviolet Astronomy written by Martin A. Barstow and published by Cambridge University Press. This book was released on 2003-03-13 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes the development of astronomy in the Extreme Ultraviolet wavelength range, from the first rocket-based experiments to later satellite missions. It will be of great value to graduate students and researchers.
Author : National Space Science Data Center
Publisher :
ISBN 13 :
Total Pages : 292 pages
Book Rating : 4.0/5 ( download)
Download or read book Directory of Astronomical Data Files written by National Space Science Data Center and published by . This book was released on 1978 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt:
