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Author : Zdeněk Kopal
Publisher :
ISBN 13 :
Total Pages : 240 pages
Book Rating : 4.:/5 (1 download)
Download or read book An Introduction to the Study of Eclipsing Variables written by Zdeněk Kopal and published by . This book was released on 1946 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Zdeněk Kopal
Publisher :
ISBN 13 :
Total Pages : 220 pages
Book Rating : 4.:/5 (56 download)
Download or read book An Introduction to the Study of Eclipsing Variables written by Zdeněk Kopal and published by . This book was released on 1946 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Caroline Ellen Furness
Publisher :
ISBN 13 :
Total Pages : 392 pages
Book Rating : 4.:/5 (334 download)
Download or read book An Introduction to the Study of Variable Stars written by Caroline Ellen Furness and published by . This book was released on 1915 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John R. Percy
Publisher : Cambridge University Press
ISBN 13 : 1139463284
Total Pages : 330 pages
Book Rating : 4.1/5 (394 download)
Download or read book Understanding Variable Stars written by John R. Percy and published by Cambridge University Press. This book was released on 2007-05-24 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book was first published in 2007. Variable stars are those that change brightness. Their variability may be due to geometric processes such as rotation, or eclipse by a companion star, or physical processes such as vibration, flares, or cataclysmic explosions. In each case, variable stars provide unique information about the properties of stars, and the processes that go on within them. This book provides a concise overview of variable stars, including a historical perspective, an introduction to stars in general, the techniques for discovering and studying variable stars, and a description of the main types of variable stars. It ends with short reflections about the connection between the study of variable stars, and research, education, amateur astronomy, and public interest in astronomy. This book is intended for anyone with some background knowledge of astronomy, but is especially suitable for undergraduate students and experienced amateur astronomers who can contribute to our understanding of these important stars.
Author : David H. DeVorkin
Publisher : Princeton University Press
ISBN 13 : 9780691049182
Total Pages : 536 pages
Book Rating : 4.0/5 (491 download)
Download or read book Henry Norris Russell written by David H. DeVorkin and published by Princeton University Press. This book was released on 2000 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt: Henry Norris Russell lived in two universes: that of his Presbyterian forebears and that of his science. Sharp-witted and animated by nervous energy, he became one of the most powerful voices in twentieth-century American astronomy, wielding that influence in calculated ways to redefine an entire science. He, more than any American of his generation, worked to turn an observation-centered discipline into a theory-driven pursuit centered on physics. Today, professional and amateur astronomers alike know Russell for the Hertzsprung-Russell diagram, the playing field for much of stellar astrophysics, as well as for his work on the evolution of stars and the origin of the solar system. But of far greater importance than his own research, which was truly remarkable in its own right, is Russell's stamp on the field as a whole. Functioning as a "headquarters scientist"--some called him General--Russell was an astronomer without a telescope. Yet he marshaled the data of the Hales and the Pickerings of the world, injected theory into mainstream astronomy, and brought atomic physics to its very core, often sparking controversy along the way. His students at Princeton went on to populate the most prestigious astronomical institutions in the United States, bringing with them Russell's beliefs that astronomy is really astrophysics and that researchers should be theoretically as well as empirically minded. This first-ever book-length biography of the "Dean of American Astronomers" interweaves personal and scientific history to illuminate how Russell's privileged Presbyterian family background, his education at Princeton and Cambridge, and his personal inclinations and attachments both served and were at odds with his campaign to modernize astronomy. This book will be of interest not only to astronomers and historians (particularly those interested in the emergence of astrophysics), but to anyone interested in the process of disciplinary change.
Author : Zdenek Kopal
Publisher : Springer Science & Business Media
ISBN 13 : 9400994664
Total Pages : 290 pages
Book Rating : 4.4/5 (9 download)
Download or read book Language of the Stars written by Zdenek Kopal and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt: Eclipsing Variables - What They can Tell Us and What We can do with Them The aim of the present book will be to provide an introduction to the inter pretation of the observed light changes of eclipsing binary stars and their analysis for the elements of the respective systems. Whenever we study the properties of any celestial body - be it a planet or a star - all information we wish to gain can reach us through two different channels: their gravitational attraction, and their light. Gravitational interaction between our Earth and its celestial neighbours is, however, measurable only at distances of the order of the dimensions of our solar system; and the only means of communication with the realm of the stars are their nimble-footed photons reaching us - with appropriate time-lag - across the intervening gaps of space. As long as a star is single and emits constant light, it does not constitute a very revealing source of information. A spectrometry of its light can disclose, to be sure, the temperature (colour, or ionization) of the star's semi-transparent outer layers, their chemical composition, and prevalent pressure (through Stark effect) or magnetic field (Zeeman effect), it can disclose even some information about its absolute luminosity or rate of spin. It cannot, however, tell us anything about what we should like to know most - namely, the mass or size (i.e., density) of the respective configuration; its absolute dimensions, or its internal structure.
Author : Zdenek Kopal
Publisher : Routledge
ISBN 13 : 1351427164
Total Pages : 497 pages
Book Rating : 4.3/5 (514 download)
Download or read book Of Stars and Men written by Zdenek Kopal and published by Routledge. This book was released on 2017-10-02 with total page 497 pages. Available in PDF, EPUB and Kindle. Book excerpt: The twentieth century has been a remarkable epoch in the affairs of men, and this is no less true of astronomy, at once the oldest and most modern of the sciences. Sky watchers at the beginning of the century measured positions and predicted celestial motions in faithful but uninspired homage to the Muse Urania; nowadays, their descendents call on all the resources of modern science to probe the nature and evolution of a bewildering range of celestial objects. Man has even set out to call personally on his nearest neighbours in space. Professor Zdenek Kopal has lived and practised astronomy throughout this efflorescence of his subject. Born in Czechoslovakia just before the outbreak of the Great War, and educated in the classical European tradition, he knows well the days when scholars commanded such respect that astronomical congresses would be visited by Heads of State. Yet within his own lifetime, he has himself been recruited to play an important role in scientific preparations for a manned Moon landing. He has known and worked with some of the most highly respected practitioners of Modern Astromomy: Russell, Shapley, Urey in the United States, Eddington in Britain. His fine eye for detail, coupled with his strong sense of history, enable him to unfold through his personal recollections the development of his subject across the social changes of two world wars. Inspired by his grandfather, who would think nothing of walking sixty miles to theatrical performance, the young Kopal acquired a Wanderlust that has taken him in his career more than a dozen times rond the world. He has visited the most ancient observatories, observed solar eclipses in Japan and Java, helped to establish new institutions in Iraq and India, and commuted for many years between the Old and New Worlds. He has toiled in every corner of his chosen vinyard: as observer, outstanding theoretician, populariser, editor and teacher. During his thirty years as Professor of Astronomy at Manchester, he
Author : Josef Kallrath
Publisher : Springer Science & Business Media
ISBN 13 : 1475731280
Total Pages : 376 pages
Book Rating : 4.4/5 (757 download)
Download or read book Eclipsing Binary Stars written by Josef Kallrath and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: Focussing on the formulation of mathematical models for the light curves of eclipsing binary stars, and on the algorithms for generating such models, this book provides astronomers, both amateur and professional, with a guide for - specifying an astrophysical model for a set of observations - selecting an algorithm to determine the parameters of the model - estimating the errors of the parameters. It is written for readers with knowledge of basic calculus and linear algebra; appendices cover mathematical details on such matters as optimisation, co-ordinate systems, and specific models. While emphasising the physical and mathematical framework, the discussion remains close to the problems of actual implementation. The book concludes with chapters on specific models and approaches and the authors'views on the structure of future light-curve programs.
Author :
Publisher : CUP Archive
ISBN 13 :
Total Pages : 924 pages
Book Rating : 4./5 ( download)
Download or read book Transactions of the International Astronomical Union written by and published by CUP Archive. This book was released on with total page 924 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Henry Norris Russell
Publisher :
ISBN 13 :
Total Pages : 512 pages
Book Rating : 4.:/5 (3 download)
Download or read book Astronomy written by Henry Norris Russell and published by . This book was released on 1927 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : United States. Department of State
Publisher :
ISBN 13 :
Total Pages : 122 pages
Book Rating : 4.:/5 (42 download)
Download or read book Books on Science from the United States written by United States. Department of State and published by . This book was released on 1948 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : F.D. Kahn
Publisher : Springer Science & Business Media
ISBN 13 : 9400985347
Total Pages : 468 pages
Book Rating : 4.4/5 (9 download)
Download or read book Investigating the Universe written by F.D. Kahn and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt: Professor Zdenek Kopal is sixty-seven this year even though his scientific activity, enthusiasm and springy step hardly betray the ad vancement in years. He carne to Manchester as Professor of Astronomy thirty years ago after a very fruitful association of fourteen years with the Harvard Observatory. Much impressed with the young man, Harlow Shapley, who with characteristic insight had recognised in Kopal the qualities that have since made him an outstanding leader in ec1ipsing binary research, had invited him over as a Research Associate. In the subsequent decade Kopal set about the task of introducing analytical rigour in the solution of orbit al elements that hitherto had depended ex c1usively on the semigraphical procedures introduced by Russell and exploited fully by Shapley. These first efforts stimulated publication of the first of his many books on ec1ipsing variables; the Introductian ta the Study of Ec/ipsing Variables summarized these iterative methods and remains a c1assic in this field. Soon after the appearance of this volume in print, Kopal gave a course on this subject for the graduate students at Harvard. I was one of those who had the opportunity to attend it and learn much on the need of care and precision in the practice of photoelectric photometry and the importance of exploiting such data to the fullest extent with methods of increasing resolving power.
Author : Library of Congress. Copyright Office
Publisher :
ISBN 13 :
Total Pages : 854 pages
Book Rating : 4.:/5 (34 download)
Download or read book Catalogue of Copyright Entries written by Library of Congress. Copyright Office and published by . This book was released on 1946 with total page 854 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 252 pages
Book Rating : 4.6/5 (934 download)
Download or read book Significant Accomplishments in Sciences written by and published by . This book was released on 1973 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Percy Henry Winfield
Publisher : CUP Archive
ISBN 13 :
Total Pages : 1108 pages
Book Rating : 4./5 ( download)
Download or read book The Province of the Law of Tort written by Percy Henry Winfield and published by CUP Archive. This book was released on 1931 with total page 1108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Library of Congress. Copyright Office
Publisher : Copyright Office, Library of Congress
ISBN 13 :
Total Pages : 836 pages
Book Rating : 4.F/5 ( download)
Download or read book Catalog of Copyright Entries. New Series written by Library of Congress. Copyright Office and published by Copyright Office, Library of Congress. This book was released on 1947 with total page 836 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes Part 1, Books, Group 1 (1946)
Author : Library of Congress. Copyright Office
Publisher :
ISBN 13 :
Total Pages : 848 pages
Book Rating : 4.:/5 (31 download)
Download or read book Catalog of Copyright Entries, Third Series written by Library of Congress. Copyright Office and published by . This book was released on 1946 with total page 848 pages. Available in PDF, EPUB and Kindle. Book excerpt:
