Properties Of Galactic Carbon Stars
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Properties of Galactic Carbon Stars
| Author | : Zenta Alksne |
| Publisher | : |
| Total Pages | : 180 |
| Release | : 1991 |
| Genre | : Science |
| ISBN | : |
Recent advances in the study of carbon stars, including the photometry, variability, colour and spectral characteristics of carbon stars, are examined in this text. Topics such as classification, atmospheric modelling, and the determination of chemical composition are discussed.
Why Galaxies Care about AGB Stars (IAU S343)
| Author | : Franz Kerschbaum |
| Publisher | : Cambridge University Press |
| Total Pages | : 500 |
| Release | : 2019-09-30 |
| Genre | : Science |
| ISBN | : 9781108471527 |
Stars on the asymptotic giant branch (AGB stars) play an important role due to their high luminosity and production of heavy elements and cosmic dust. They are prime laboratories for studying situations where different physical and chemical processes work simultaneously, on different time scales. IAU Symposium 343 builds a bridge between research on AGB stars themselves and their applications to the modelling of stellar populations and the chemical evolution of galaxies. Our understanding of these complex stars is given using insights into many aspects of physics and chemistry, while very high-angular resolution observations of AGB stars and their surroundings provide strong constraints on stellar theory and how they lose matter through strong stellar winds. This volume also highlights the difficulties in estimating the importance of AGB stars for various aspects of galaxies. Current developments and challenges of these complex objects are discussed for a broad, interdisciplinary audience of astronomers.
Why Galaxies Care about AGB Stars
| Author | : Franz Kerschbaum |
| Publisher | : |
| Total Pages | : 552 |
| Release | : 2007 |
| Genre | : Science |
| ISBN | : |
"These proceedings of an international conference held August 2006 in Vienna, Austria demonstrate the relevance of Asymptotic Giant Branch stars and stellar astrophysics as a whole for our understanding of galactic structure and evolution. The meeting brought together astronomers from the fields of AGB stars, galactic evolution, and stellar populations. What do we know about the various aspects of AGB stars, such as nucleosynthesis and mass loss, that will play a role in our understanding of galaxies? At the same time, what do galactic models need from the AGB star community, and how are AGB starts included in these models? What will be the role of AGB star research within the major aims of astrophysics in the coming decades? These were the main questions we wanted to discuss at this conference. Recent developments in instrumentation such as the Spitzer satellite and current and forthcoming ground-based equipment are enabling detailes studies of individual stars and the exploration of ever more distant stellar systems. AGB stars are among the first targets that can now be resolved in galaxies outside the Local Group. But of equal relevance are the exciting developments that have been achieved in modeling stellar nucleosynthesis, mass loss, and the evolution of galaxies. The book is suitable for researchers and graduate students interested in stellar and extragalactic astrophysics, and in physical processes related to nucleosynthesis, radiation hydrodynamics, pulsation, mass loss, and the chemical evolution of stellar systems." -- supplied by publisher.
Galactic and Extragalactic Infrared Spectroscopy
| Author | : M.F. Kessler |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 471 |
| Release | : 2012-12-06 |
| Genre | : Science |
| ISBN | : 9400972512 |
The last major conference on infrared astronomy was the IAU Symposium No. 96 in June 1980. Since then, the discipline has continued to mature and to contribute to all branches of astrophysics. One particular area of growth has been in spectroscopic capabilities at all infrared wavelengths. The purpose of the Symposium in Toledo was to review the scientific questions to be addressed via infrared spectroscopy and to provide, in the proceedings, a useful summary of the field. The sensitivity of infrared spectroscopic observations is still generally limited by detector characteristics or by thermal background radiation. However in recent years improvements in detector technology together with developments in spectroscopic instrumentation have made possible both quite detailed spectroscopy of the brighter members of many classes of galactic sources and also begun to open up some infrared spectroscopy of extragalactic sources. The potential of the field in the next decade or two is clear. The lRAS mission has completed one of the pre-requisites, namely an all-sky photometric survey. Major space missions utilising cryogenic infrared telescopes have been approved in Europe (ISO) and seem likely in the USA (SIRTF); plans for space submillimeter telescopes are firming up. On the ground large telescopes optimized for infrared observations are now in operation at high altitude sites and specialized submillimeter facilities are under construction. The particular advantages of planned, very large telescopes for infrared observations are widely accepted.
Planets, Stars and Stellar Systems
| Author | : Gerard Gilmore |
| Publisher | : Springer |
| Total Pages | : 0 |
| Release | : 2013-02-23 |
| Genre | : Science |
| ISBN | : 9789400756113 |
This is volume 5 of Planets, Stars and Stellar Systems, a six-volume compendium of modern astronomical research, covering subjects of key interest to the main fields of contemporary astronomy. This volume on “Galactic Structure and Stellar Populations”, edited by Gerard F. Gilmore, presents accessible review chapters on Stellar Populations, Chemical Abundances as Population Tracers, Metal-Poor Stars and the Chemical Enrichment of the Universe, The Stellar and Sub-Stellar Initial Mass Function of Simple and Composite Populations, The Galactic Nucleus, The Galactic Bulge, Open Clusters and Their Role in the Galaxy, Star Counts and the Nature of Galactic Thick Disk, The Infrared Galaxy, Interstellar PAHs and Dust, Galactic Neutral Hydrogen, High-Velocity Clouds, Magnetic Fields in Galaxies, Astrophysics of Galactic Charged Cosmic Rays, Gamma-Ray Emission of Supernova Remnants and the Origin of Galactic Cosmic Rays, Galactic Distance Scales, Globular Cluster Dynamical Evolution, Dynamics of Disks and Warps, Mass Distribution and Rotation Curve in the Galaxy, Dark Matter in the Galactic Dwarf Spheroidal Satellites, and History of Dark Matter in Galaxies. All chapters of the handbook were written by practicing professionals. They include sufficient background material and references to the current literature to allow readers to learn enough about a specialty within astronomy, astrophysics and cosmology to get started on their own practical research projects. In the spirit of the series Stars and Stellar Systems published by Chicago University Press in the 1960s and 1970s, each chapter of Planets, Stars and Stellar Systems can stand on its own as a fundamental review of its respective sub-discipline, and each volume can be used as a textbook or recommended reference work for advanced undergraduate or postgraduate courses. Advanced students and professional astronomers in their roles as both lecturers and researchers will welcome Planets, Stars and Stellar Systems as a comprehensive and pedagogical reference work on astronomy, astrophysics and cosmology.
The Stellar Populations of Galaxies
| Author | : B. Barbuy |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 529 |
| Release | : 2012-12-06 |
| Genre | : Science |
| ISBN | : 9401124345 |
One approach to learning about stellar populations is to study them at three different levels of resolution. First in our own Galaxy; secondly from nearby galaxies where stars can still be resolved; and thirdly in remote galaxies in which the stellar population can only be studied in integrated light. This IAU Symposium covered the entire range of galaxies in its study of their stellar populations. Interspersed with theoretical papers, the wealth of observational results provides an important state-of-the-art presentation of the progress that has been made in this field.
Literature 1997, Part 1
| Author | : Astronomisches Rechen-InstitutARI |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 1746 |
| Release | : 2013-11-11 |
| Genre | : Science |
| ISBN | : 3642517587 |
Astronomy and Astrophysics Abstracts is devoted to the recording, summarizing and indexing of astronomical publications throughout the world. Two volumes are scheduled to appear per year. Volume 67 records 10,903 papers covering besides the classical fields of astronomy and astrophysics such matters as space flights related to astronomy, lunar and planetary probes and satellites, meteorites and interplanetary matter, X rays and cosmic rays, quasars and pulsars. The abstracts are classified under more than one hundred subject categories thus permitting quick surveying of the bulk of material published on the same topic within six months. For instance, this volume records 119 papers on minor planets, 155 papers on supernovae, and 554 papers on cosmology.
