Download or read book Deep Mixing in Globular cluster Red Giants written by P. A. Denissenkov and published by Cambridge Scientific Publishers. This book was released on 2004 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents and reviews the results of studies on subjects closely related to the problems of abundance anomalies in globular clusters and covers in particular the problem of deep mixing in globular-cluster red giants and describes a diffusion model and a mechanism for extra mixing in red giants. The author traces the development of scenarios to explain the origin of star-to star variations in elemental abundances in globular clusters: primordial nucleosynthesis and mixing and the background to the proposal of a combined scenario and a model for the chemical evolution of globular clusters. This review provides a useful reference text for graduates and researchers in astrophysics.

Download or read book Carbon and Nitrogen Abundance Variations in Globular Cluster Red Giants written by Sarah L. Martell and published by . This book was released on 2008 with total page 350 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Observational Tests of Deep Mixing in Population II Red Giants written by Matthew D. Shetrone and published by . This book was released on 1996 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Nuclei in the cosmos V written by Sotiris Harissopulos and published by Atlantica Séguier Frontières. This book was released on 1998 with total page 614 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Globular Clusters written by C. Martinez Roger and published by Cambridge University Press. This book was released on 1999-10-28 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt: An accessible introduction to globular clusters for graduate students, and a comprehensive and up-to-date reference for researchers.

Download or read book Origin Of Matter And Evolution Of Galaxies 97 written by Shigeru Kubono and published by World Scientific. This book was released on 1999-01-15 with total page 462 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Nuclear Reactions of Astrophysical Interest written by Scilla Degl’Innocenti and published by Frontiers Media SA. This book was released on 2021-07-29 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Explaining Lithium Enriched Red Giant Branch Stars written by Claudia Aguilera-Gómez and published by Springer. This book was released on 2018-11-28 with total page 139 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis provides new insights into the seemingly anomalous ubiquity of lithium-rich red giant stars. The theory of stellar evolution, one of the most successful models of modern astrophysics, predicts that red giant stars should display negligible levels of lithium (Li) on their surfaces. However, Li-rich giants, defined as those showing more than three times the Li content of the Sun, are found everywhere astronomers look in apparent defiance of established theory. The author addresses this problem, analyzing the different possible explanations for such an anomaly, which include interaction with a binary companion, the production of Li in the interior of the star with its subsequent transport to stellar exteriors, and the stellar interaction with planets. The author focuses on this last possibility, where the Li enrichment may be due to the ingestion of planets or brown dwarfs as the stars in question grew in size while becoming giants. She shows that this process is indeed able to explain an important fraction of giants with Li levels above the three times solar threshold, but that some other mechanism is needed to explain the remaining fraction. While this is an important discovery in its own right, the result that makes this thesis groundbreaking is its demonstration that the threshold between Li-normal and Li-rich is mass dependent rather than a fixed proportion of the Sun’s content. This corrects a fundamental misapprehension of the phenomenon and opens up a new framework in which to understand and solve the problem. Finally, the author presents interesting observational applications and samples with which to test this new approach to the problem of Li enrichment in giants.

Download or read book Chemical Abundances and Mixing in Stars in the Milky Way and its Satellites written by S. Randich and published by Springer Science & Business Media. This book was released on 2006-09-25 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: This proceedings covers topics from chemical abundances in the different components of the Milky Way and in local group galaxies, via observational and theoretical papers on mixing in stars to big bang nucleosynthesis and galaxy formation and evolution. Like all volumes in the series ESO Astrophysics Symposia, this one gives a comprehensive overview of the forefront of research in this subject. It is a valuable reference for both students and researchers.

Download or read book Not So Simple Stellar Populations in Star Clusters written by Chengyuan Li and published by Springer. This book was released on 2017-09-19 with total page 137 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on understanding the stellar populations of massive star clusters and aims to investigate the origin, evolution and properties of binary systems, their collision products, as well as the general characteristics (e.g. ages, metal content) of stellar population(s) in star clusters. It introduces the basic background knowledge of various stellar populations in star clusters as well as their formation, interaction and evolution and offers high impact observational results on our understanding of the formation and evolution mode of star clusters. Based on these discoveries, this book proposes a series of future projects that can shed light on these topics. The research introduced in this book reveals key features of star clusters formation and by extension how all stars formed in our universe.

Download or read book Highlights of Astronomy Volume 11A written by Johannes Andersen and published by Springer Science & Business Media. This book was released on 1999-01-31 with total page 630 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since 1967, the main scientific events of the General Assemblies of the International Astronomical Union have been published in the separate series, Highlights of Astronomy. The present Volume 11 presents the major scientific presentations made at the XXIIIrd General Assembly, August 18-30, 1997, in Kyoto, Japan. The two volumes (11A + B) contain the text of the three Invited Discourses as well as the proceedings or extended summaries of the 21 Joint Discussions and two Special Sessions held during the General Assembly.

Download or read book Star Clusters written by B.W. Carney and published by Springer Science & Business Media. This book was released on 2006-04-18 with total page 429 pages. Available in PDF, EPUB and Kindle. Book excerpt: Star clusters are at the heart of astronomy, being key objects for our understanding of stellar evolution and galactic structure. Observations with the Hubble Space Telescope and other modern equipment have revealed fascinating new facts about these galactic building blocks. This book provides two comprehensive and up-to-date, pedagogically designed reviews on star clusters by two well-known experts in the field. Bruce Carney presents our current knowledge of the relative and absolute ages of globular clusters and the chemical history of our Galaxy. Bill Harris addresses globular clusters in external galaxies and their use as tracers of galaxy formation and cosmic distance indicators. The book is written for graduate students as well as professionals in astronomy and astrophysics.

Download or read book Origin and Evolution of the Elements Volume 4 Carnegie Observatories Astrophysics Series written by Andrew McWilliam and published by Cambridge University Press. This book was released on 2004-09-23 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Carnegie volume discusses the origin and evolution of elements in our galaxy and others.

Download or read book The Astronomical Journal written by and published by . This book was released on 2008 with total page 1254 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Canadian Journal of Physics written by and published by . This book was released on 1994-07 with total page 1118 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Meteorites and the Early Solar System II written by Dante S. Lauretta and published by University of Arizona Press. This book was released on 2006-07-01 with total page 978 pages. Available in PDF, EPUB and Kindle. Book excerpt: They range in size from microscopic particles to masses of many tons. The geologic diversity of asteroids and other rocky bodies of the solar system are displayed in the enormous variety of textures and mineralogies observed in meteorites. The composition, chemistry, and mineralogy of primitive meteorites collectively provide evidence for a wide variety of chemical and physical processes. This book synthesizes our current understanding of the early solar system, summarizing information about processes that occurred before its formation. It will be valuable as a textbook for graduate education in planetary science and as a reference for meteoriticists and researchers in allied fields worldwide.

Download or read book Literature 1988 Part 1 written by U. Esser and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 1266 pages. Available in PDF, EPUB and Kindle. Book excerpt: From the reviews: "Astronomy and Astrophysics Abstracts has appeared in semi-annual volumes since 1969 and it has already become one of the fundamental publications in the fields of astronomy, astrophysics and neighbouring sciences. It is the most important English-language abstracting journal in the mentioned branches. ...The abstracts are classified under more than a hundred subject categories, thus permitting a quick survey of the whole extended material. The AAA is a valuable and important publication for all students and scientists working in the fields of astronomy and related sciences. As such it represents a necessary ingredient of any astronomical library all over the world." Space Science Reviews#1 "Dividing the whole field plus related subjects into 108 categories, each work is numbered and most are accompanied by brief abstracts. Fairly comprehensive cross-referencing links relevant papers to more than one category, and exhaustive author and subject indices are to be found at the back, making the catalogues easy to use. The series appears to be so complete in its coverage and always less than a year out of date that I shall certainly have to make a little more space on those shelves for future volumes." The Observatory Magazine#2