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Structure and Evolution of Single and Binary Stars (Hardcover, 1992 ed.): C. de Loore, C. Doom Structure and Evolution of Single and Binary Stars (Hardcover, 1992 ed.)
C. de Loore, C. Doom
R5,706 Discovery Miles 57 060 Ships in 10 - 15 working days

Classical stellar evolution theories have undergone some drastic changes in recent decades. New insights into the development of stellar interiors were obtained from studying stars in various stages of their lives, as well as with the help of fast computers, which gave a boost to the branch of numerical modelling of stellular structure and evolution. This book is divided into two parts. The first part deals with the general aspects of stellular structure and evolution including a chapter on numerical modelling. The second part deals with specific evolutionary aspects of single and binary stars with a variety of masses. The last chapter gives several models of stars with specific masses. The book is intended as an introduction for students, as well as a reference for researchers.

Luminous Stars and Associations in Galaxies (Hardcover, 1986 ed.): C. de Loore, A.J. Willis, P. Laskarides Luminous Stars and Associations in Galaxies (Hardcover, 1986 ed.)
C. de Loore, A.J. Willis, P. Laskarides
R5,753 Discovery Miles 57 530 Ships in 10 - 15 working days

Proceedings of the 116th Symposium of the International Astronomical Union, held at Porto Heli, Greece, May 26-31, 1985

Evolution of Massive Stars - A Confrontation between Theory and Observation (Paperback, Softcover reprint of the original 1st... Evolution of Massive Stars - A Confrontation between Theory and Observation (Paperback, Softcover reprint of the original 1st ed. 1994)
D. Vanbeveren, W. Van Rensbergen, C. de Loore
R2,856 Discovery Miles 28 560 Ships in 10 - 15 working days

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.

Instabilities in Luminous Early Type Stars - Proceedings of a Workshop in Honour of Professor Cees De Jager on the Occasion of... Instabilities in Luminous Early Type Stars - Proceedings of a Workshop in Honour of Professor Cees De Jager on the Occasion of his 65th Birthday held in Lunteren, The Netherlands, 21-24 April 1986 (Paperback, Softcover reprint of the original 1st ed. 1987)
Henny J.G.L.M. Lamers, C. de Loore
R1,497 Discovery Miles 14 970 Ships in 10 - 15 working days

On April 28 1986 Cornelis de Jager reached the age of 65 years. On April 30 he officially retired from the University of Utrecht where he has held a Chair for Stellar Astrophysics, later changed into Space Physics, since 1958. Cees de Jager, as he prefers to be called by his friends, has had an active and successful life in science. His interest in astronomy was raised by his father under the clear skies of Celebes (Indonesia). He started a study in physics and astronomy as a student of the late M. Minnaert in Utrecht during World War II. When in 1943 the occupying forces recruited students who did not want to sign the declaration of loyalty for their war-efforts, Cees and three fellow students went into hiding at the Observatory in Utrecht. During this very "quiet" period van de Hulst developed the theory of the 21 em radiation of neutral hydrogen and de Jager started the observations of variable stars in the pitch dark nights of a country at war. The study of Beta Cepheids rapid ly awoke his interest which was kept throughout the years. In 1958 he organized an international campaign to observe 12 Lac spectroscopically and photometrically, which was a great success."

The Brightest Binaries (Paperback, Softcover reprint of the original 1st ed. 1998): D. Vanbeveren, W. Van Rensbergen, C. de... The Brightest Binaries (Paperback, Softcover reprint of the original 1st ed. 1998)
D. Vanbeveren, W. Van Rensbergen, C. de Loore
R1,487 Discovery Miles 14 870 Ships in 10 - 15 working days

Massive stars are distributed all over the upper part of the Hertzsprung-Russell diagram according to their subsequent phases of stellar evolution from main sequence to supernova. Massive stars may either be single or they may be a component of a close binary. The observed single star/binary frequency is known only in a small part of the Galaxy. Whether this holds for the whole galaxy or for the whole cosmos is questionable and needs many more high quality observations.Massive star evolution depends critically on mass loss by stellar wind and this stellar wind mass loss may change dramatically when stars evolve from one phase to another. We start the book with a critical discussion of observations of the different types of massive stars, observations that are of fundamental importance in relation to stellar evolution, with special emphasis on mass loss by stellar wind. We update our knowledge of the physics that models the structure and evolution of massive single stars and we present new calculations. The conclusions resulting from a comparison between these calculations and observations are then used to study the evolution of massive binaries. This book provides our current knowledge of a great variety of massive binaries, and hence of a great variety of evolutionary phases. A large number of case studies illustrates the existence of these phases. Finally, we present the results of massive star population number synthesis, including the effect of binaries. The results indicate that neglecting them leads to a conclusion which may be far from reality. This book is written for researchers in massive star evolution. We hope that, after reading this book, university-level astrophysicsstudents will become fascinated by the exciting world of the Brightest Binaries'.

Structure and Evolution of Single and Binary Stars (Paperback, Softcover reprint of the original 1st ed. 1992): C. de Loore, C.... Structure and Evolution of Single and Binary Stars (Paperback, Softcover reprint of the original 1st ed. 1992)
C. de Loore, C. Doom
R5,503 Discovery Miles 55 030 Ships in 10 - 15 working days

Classical stellar evolution theories have undergone some drastic changes in recent decades. New insights into the development of stellar interiors were obtained from studying stars in various stages of their lives, as well as with the help of fast computers, which gave a boost to the branch of numerical modelling of stellular structure and evolution. This book is divided into two parts. The first part deals with the general aspects of stellular structure and evolution including a chapter on numerical modelling. The second part deals with specific evolutionary aspects of single and binary stars with a variety of masses. The last chapter gives several models of stars with specific masses. The book is intended as an introduction for students, as well as a reference for researchers.

Luminous Stars and Associations in Galaxies (Paperback, 1986 ed.): C. de Loore, A.J. Willis, P. Laskarides Luminous Stars and Associations in Galaxies (Paperback, 1986 ed.)
C. de Loore, A.J. Willis, P. Laskarides
R5,674 Discovery Miles 56 740 Ships in 10 - 15 working days

Proceedings of the 116th Symposium of the International Astronomical Union, held at Porto Heli, Greece, May 26-31, 1985

Wolf-Rayet Stars: Observations, Physics, Evolution (Paperback, Softcover reprint of the original 1st ed. 1982): C. de Loore,... Wolf-Rayet Stars: Observations, Physics, Evolution (Paperback, Softcover reprint of the original 1st ed. 1982)
C. de Loore, A.J. Willis
R2,925 Discovery Miles 29 250 Ships in 10 - 15 working days

The formative ideas for this symposium originated in 1978 at the IAU Symposium No. 83 on "Mass Loss and Evolution of O-type Stars" held at Qualicum Beach, Vancouver Island, Canada - WR stars generally figure prominently in O-star meetings and vice versa Following general appro val by the IAU Executive Committee the initial ideas were cemented at a subsequent meeting, IAU Colloquium No. 59 on "The Effects of Mass Loss on Stellar Evolution," held at Miramare, Trieste, Italy in 1980, which was attended by the ma, jority of the present Scientific Organising Committee and at which meeting the outline programme for this symposium was formulated. 1981 was considered an appropriate year in which to hold a meeting on WR stars, since the last IAU Symposium devoted to this stellar class had been held a decade earlier, in Buenos Aires (IAU Sym posium No. 49), and during this intervening period a wealth of new observational material had been obtained for WR stars together with significant advances on the theoretical front. The venue for this sym posium was chosen from the requirement, which can be inferred from the above, that a meeting on 'hot' stars take place in an appropriate, sunny climate and followed upon the excellent suggestion of Dr. C. Firmani to hold the symposium in Mexico."

Mass Loss and Evolution of O-Type Stars (Paperback, Softcover reprint of the original 1st ed. 1979): P. S. Conti, C. de Loore Mass Loss and Evolution of O-Type Stars (Paperback, Softcover reprint of the original 1st ed. 1979)
P. S. Conti, C. de Loore
R1,569 Discovery Miles 15 690 Ships in 10 - 15 working days

The organization of this Symposium had its beginnings at the International Astronomical Union General Assembly in Grenoble in 1976. The initial "rounding up" of the Scienti fic Organizing Committee was begun by Drs. Snow and Swings; most of us who became the eventual organizing committee met a few times during the Assembly and formulated the essential outlines of the meeting. Extensive correspondence with all the committee subsequently established the program. The idea was to bring together both observers and theoreticians to discuss the stellar winds and mass loss rates and their effects on evolutions of O-type stars. On the observational side, there are now spectroscopic data from the far UV to the near IR regions concerning the stellar winds. There is also information about the free-free emission in the wind from the IR and radio portions of the spectrum. Fortunately, these different detection methods give more or less the same mass loss rate for the one star, s Pup" which has been observed at all wavelengths. One of the intents of the first three sessions of this Symposium is to outline the eXisting data on mass loss rates as it per tains to the O-type stars."

Invited Papers - Vol. 12 (Paperback, 1969 ed.): Louis Leprince-Ringuet, Pierre Auger, Allan S. Jacobson, L. Koch-Miramond,... Invited Papers - Vol. 12 (Paperback, 1969 ed.)
Louis Leprince-Ringuet, Pierre Auger, Allan S. Jacobson, L. Koch-Miramond, Martin H. Israel, …
R1,473 Discovery Miles 14 730 Ships in 10 - 15 working days

The Proceedings of the 17th International Cosmic Ray Conference held in Paris, July 15 to 25, 1981, appear in two sets. The Regular Volumes, 1 to 8, contain contributed papers received at the Secretariat by April 1st, 1981. They were issued at the opening of the Conference. The Late Volumes, 9 to 14, contain contributed papers received after that date, Invited and Rapporteur Talks, and the General Index. The assiduous reader will notice several changes with respect to the well-established traditions of the Conference. 1/ Following a recommendation of the Commission an Cosmic Rays of IUPAP, and although an increase in the total number of papers submitted was noticed as compared to the 16th ICRC (Kyoto, 1979), the total number of pages has been significantly reduced, thanks to introduction of three new rules for publication. (i) None of the first "Preliminary" Abstracts was published. These abstracts had to be confirmed, either by a new "Confirming Abstract" or by a Full Paper. The Confirming Abstracts are included in the Proceedings. (ii) The sum of the "fractional" contributions of each author should not exceed 3 papers, and each author should not appear in more than 10 papers. (iii) The maximum number of pages per paper was reduced from 6 to 4. The Organizing Committee thanks all authors who have, in their vast majority, very efficiently cooperated by kindly complying with these new rules. The papers we selected an the basis of the Preliminary Abstracts.

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