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Author :
Publisher :
ISBN 13 :
Total Pages : 106 pages
Book Rating : 4.:/5 (223 download)
Download or read book The Abundance Spread Within Globular Clusters written by and published by . This book was released on 1988 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (153 download)
Download or read book The Abundance Spread Within Globular Clusters written by and published by . This book was released on 1988 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : International Astronomical Union. General Assembly
Publisher :
ISBN 13 :
Total Pages : 106 pages
Book Rating : 4.:/5 (153 download)
Download or read book The Abundance Spread Within Globular Clusters written by International Astronomical Union. General Assembly and published by . This book was released on 1988 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : C. Martinez Roger
Publisher : Cambridge University Press
ISBN 13 : 9780521770583
Total Pages : 380 pages
Book Rating : 4.7/5 (75 download)
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.
Author : Santi Cassisi
Publisher : John Wiley & Sons
ISBN 13 : 3527665544
Total Pages : 506 pages
Book Rating : 4.5/5 (276 download)
Download or read book Old Stellar Populations written by Santi Cassisi and published by John Wiley & Sons. This book was released on 2013-08-29 with total page 506 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book discusses the theoretical path to decoding the information gathered from observations of old stellar systems. It focuses on old stellar systems because these are the fossil record of galaxy formation and provide invaluable information ont he evolution of cosmic structures and the universe as a whole. The aim is to present results obtained in the past few years for theoretical developments in low mass star research and in advances in our knowledge of the evolution of old stellar systems. A particularly representative case is the recent discovery of multiple stellar populations in galactic globular clusters that represents one of the hottest topics in stellar and galactic astrophysics and is discussed in detail. Santi Cassisi has authored about 270 scientific papers, 150 of them in peer-reviewed journals, and the title Evolution of Stars and Stellar Populations.
Author : Astronomisches Rechen-Institut
Publisher : Springer Science & Business Media
ISBN 13 : 3662123703
Total Pages : 1433 pages
Book Rating : 4.6/5 (621 download)
Download or read book Literature 1989, Part 1 written by Astronomisches Rechen-Institut and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 1433 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 fundemental 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 Review# "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#
Author : Derek McNally
Publisher : Springer Science & Business Media
ISBN 13 : 9400909772
Total Pages : 663 pages
Book Rating : 4.4/5 (9 download)
Download or read book Highlights of Astronomy written by Derek McNally and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 663 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is the customary practice to report the major events of a General Assembly -the Invited Discourses, Joint Discussions and Joint Commission Meetings in Highlights of Astronomy. Vol. 8 reports the highlights of the XXth General Assembly of the International Astronomical Union, 1988 August 2-11, Baltimore, USA. The present volume contains the 3 Invited Discourses and papers presented at 7 Joint Discussion Meetings and 6 Joint Commission Meetings. Two Joint Commission Meetings will be reported elsewhere -JCM5 Spectroscopy of Individual Stars in Globular Clusters and the Early Chemical Evolution of our Galaxy (in summary only here, published by the Imprimerie de l'Observatoire de Paris) and JCM7 Star Clusters in the Magellanic Clouds (see Transactions of the IAU, Vol.XXB, report of Commission 37). I am most grateful to the authors of the invited discourses R.M. West and V.I. Moroz, M. Schmidt and M. Rees for sending me the manuscripts so promptly. I am also indebted to the Chairmen of the Joint Discussion and Joint Commission Meetings for their organisation of the meetings and for the assembly of their material for publication. Unfortunately the deadline for receipt of manuscripts coincided with an extended postal strike in France which seriously hindered the preparation of the volume for publication.
Author : Graeme H. Smith
Publisher :
ISBN 13 :
Total Pages : 898 pages
Book Rating : 4.:/5 (29 download)
Download or read book The Globular Cluster-galaxy Connection written by Graeme H. Smith and published by . This book was released on 1993 with total page 898 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 1434 pages
Book Rating : 4.F/5 ( download)
Download or read book Physics Briefs written by and published by . This book was released on 1992 with total page 1434 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : B.W. Carney
Publisher : Springer Science & Business Media
ISBN 13 : 3540316345
Total Pages : 429 pages
Book Rating : 4.5/5 (43 download)
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.
Author : Derek McNally
Publisher : Springer Science & Business Media
ISBN 13 : 9400904975
Total Pages : 937 pages
Book Rating : 4.4/5 (9 download)
Download or read book Transactions of the International Astronomical Union written by Derek McNally and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 937 pages. Available in PDF, EPUB and Kindle. Book excerpt: The XXth General Assembly of the International Astronomical Union was held in Baltimore, Maryland USA from August 02 to 11, 1988. The Inaugural Ceremony on August 02 was held in the presence of representatives of the United States Governn:ent, t~e S~ate of Maryland, the City of Baltimore and the host institution -the Johns Hopkins Umverslty- as well as of the National and Local Organising Committees. The scientific programme maintained the high standards of the Union and the scientific proceedings may be found either in this volume or in volume 8 of Highlights of Astronomy. The scientific programme was organised by the 40 Commission Presidents and coordinated by the General Secretary (1985-1988), Dr. J.-P. Swings. The local arrangements were effectively made through the National Organising Committee under the Chairmanship of Prof. F. Drake and the Local Organising Committee under the co-Chairmanship of Prof. A. Oavidsen and Dr. R. Giacconi. The smooth day to day operation of the meeting resulted from the incomparable dedication of Karen Weinstock and Harold Screen.
Author : Thibaut Decressin
Publisher :
ISBN 13 :
Total Pages : 245 pages
Book Rating : 4.:/5 (428 download)
Download or read book Abundance Anomalies in Globular Clusters in Light of Models of Rotating Stars written by Thibaut Decressin and published by . This book was released on 2007 with total page 245 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : International Astronomical Union. Symposium
Publisher : Cambridge University Press
ISBN 13 : 9780521764995
Total Pages : 606 pages
Book Rating : 4.7/5 (649 download)
Download or read book Star Clusters (IAU S266) written by International Astronomical Union. Symposium and published by Cambridge University Press. This book was released on 2010-02-04 with total page 606 pages. Available in PDF, EPUB and Kindle. Book excerpt: Star clusters are important to many areas of astronomy, and as the basic building blocks of galaxies, they can be used as key diagnostic tools within a wide range of disciplines in astrophysics. Star cluster populations are powerful tracers of the formation, assembly and evolutionary history of their parent galaxies. Although their importance has been recognised for decades, only in recent years has this area seen a major investment in time and effort. IAU Symposium 266 consolidates the expertise of leading researchers from a variety of topical subfields in astrophysics, to provide a comprehensive presentation of cutting-edge developments in theory, observations and simulations of star clusters and star cluster systems across a range of sizes and epochs. This volume gives an account of this forefront research, answering fundamental questions that will improve our understanding of numerous related issues and show how this field will take its next major step forward.
Author : Daniel J. Oravetz
Publisher :
ISBN 13 :
Total Pages : 202 pages
Book Rating : 4.:/5 (923 download)
Download or read book Searching for Metallicity Spread in Five Galactic Star Clusters written by Daniel J. Oravetz and published by . This book was released on 2015 with total page 202 pages. Available in PDF, EPUB and Kindle. Book excerpt: I studied the internal metallicity distributions of four Galactic globular clusters, NGC 104, NGC 6752, NGC 5927, and M92, and the open cluster, NGC 6791. I analyzed multiband observations from the Wide Field Camera 3 on the Hubble Space Telescope - which includes filters specifically designed to be sensitive to changes in metallicity - to search for photometric signatures of multiple populations in the red giant branch (RGB) and the main sequence (MS) resulting from chemical abundance variations. The results indicate that all four globular clusters exhibit photometric signatures that suggest their RGBs are comprised of at least two stellar subpopulations, a redder, N-enhanced population (RGB-r), accounting for ~ 60 - 75% of the RGB stellar population, and bluer, N-poor population (RGB-b) that accounts for the remaining ~ 25 - 40% of RGB stars. The photometric evidence is consistent with the hypothesis that these subpopulations arise from abundance variations among light elements such as nitrogen. NGC 104 and NGC 6752 also display evidence of a split MS with photometric signatures similar to the behavior observed among the RGB stars that also supports the hypothesis that the MS subpopulations arise from light-element abundance variations. I studied the distribution of the 'red' and 'blue' RGB and MS subpopulations using the hk photometric index [= (Ca - b) - (b - y)] to search for Ca abundance variations correlated with the observed light-element abundance variations and found no evidence of Ca abundance variations in any of the clusters studied. The lack of evidence to support Ca abundance variations between the N-enhanced and N-poor subpopulations supports a formation scenario in which the second generation (N-enhanced) stars formed from gas that was not enriched by Type II supernovae.
Author : Tom Richtler
Publisher : Springer Science & Business Media
ISBN 13 : 3540769617
Total Pages : 448 pages
Book Rating : 4.5/5 (47 download)
Download or read book Globular Clusters - Guides to Galaxies written by Tom Richtler and published by Springer Science & Business Media. This book was released on 2008-11-23 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: The principal question of whether and how globular clusters can contribute to a better understanding of galaxy formation and evolution is perhaps the main driving force behind the overall endeavour of studying globular cluster systems. Naturally, this splits up into many individual problems. The objective of the Joint ESO-FONDAP Workshop on Globular Clusters - Guides to Galaxies was to bring together researchers, both observational and theoretical, to present and discuss the most recent results. Topics covered in these proceedings are: internal dynamics of globular clusters and interaction with host galaxies (tidal tails, evolution of cluster masses), accretion of globular clusters, detailed descriptions of nearby cluster systems, ultracompact dwarfs, formations of massive clusters in mergers and elsewhere, the ACS Virgo survey, galaxy formation and globular clusters, dynamics and kinematics of globular cluster systems and dark matter-related problems. With its wide coverage of the topic, this book constitutes a valuable reference of the scientific knowledge of the field.
Author : Heidi Jo Newberg
Publisher : Springer
ISBN 13 : 3319193368
Total Pages : 256 pages
Book Rating : 4.3/5 (191 download)
Download or read book Tidal Streams in the Local Group and Beyond written by Heidi Jo Newberg and published by Springer. This book was released on 2015-12-29 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume is written by leading scientists in the field, who review the current state of our knowledge of tidal streams in the Milky Way, the Andromeda galaxy, and in other nearby galaxies. The cosmological origins of dwarf galaxies and the physical processes by which they are tidally disrupted into streams and incorporated into galaxy halos are discussed. The techniques that have been used to identify tidal streams are presented and will be useful to researchers who would like to find substructures in the next generation of optical sky surveys, including Pan-STARRS and LSST. The methods that are currently under development to constrain both large scale distribution of dark matter in the Milky Way and the (small scale) lumpiness of the dark matter distribution are also explained. The authors also provide motivation for future spectroscopic surveys of Milky Way halo stars, which will aid both in the identification of tidal streams and the constraint of dark matter properties. This volume is aimed at graduate students who are beginning this field of research, but is also a resource for researchers who study tidal streams and related fields. In addition to presenting the physical processes by which tidal streams are created, it also reviews the current state of the observations and the progress towards utilizing these observations to constrain the distribution of dark matter in the Milky Way. The book will introduce anyone with a background in astrophysics to the field of tidal streams.
Author : Jonathan E. Grindlay
Publisher : Springer Science & Business Media
ISBN 13 : 9401511047
Total Pages : 767 pages
Book Rating : 4.4/5 (15 download)
Download or read book The Harlow-Shapley Symposium on Globular Cluster Systems in Galaxies written by Jonathan E. Grindlay and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 767 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the centennial year, 1985-86, of Harlow Shapley's birth, the study of globular clusters was no less important to the development of astronomy than in 1915, when Shapley first noted their concentration on the sky. By 1917 Shapley had used the properties of the system of globular clusters to complete the Copernican revolution and locate the solar system, and its Earth-bound observers, far from the center of the Galaxy and the globular cluster distribution. Seven decades later, in the year of these proceedings, globular cluster research and the study of the system of globular clusters in our own and distant galaxies is undergoing a renaissance of activity. The introduction of new observational tools, particularly CCD imagers and digital spectrographs, as well as powerful theoretical methods have transformed the study of globular clusters into one of the main line areas of modern astrophysics. Thus it seemed particularly appropriate to one of us, when considering how the Harvard College Observatory might mark the Shapley centennial, to propose and plan for an IAU Symposium on Globular Cluster Systems in Galaxies. Planning for the Shapley Symposium, as it came to be called, was even more drawn out than the preparation of this volume. The Symposium was originally proposed to the IAU Secretariat in time for it to be held in August, 1985, so that it might occur in the centennial (calendar) year.
