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Ever since some stars were found to pulsate in the early 20th century, stellar pulsation has been a major topic in astronomy and astrophysics. The huge amount of data recently available from observational surveys, new discoveries from space missions and studies of pulsating stars in low-metallicity environments have opened new perspectives and challenges. Nevertheless, progress in finding the holy grail of stellar pulsation - the use of pulsation to study stellar interiors (asteroseismology) - has been slow. The realization that a problem exists with the current stellar opacities is a major se
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Stellar oscillations. --- Perturbation (Astronomy). --- Eigenvalues.
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Astrogeology --- Seismology --- Solar oscillations --- Stellar oscillations --- Congresses.
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"Understanding the physical mechanisms of solar variability and its effect on Earth and the planets is a central and long-standing problem of astronomy and astrophysics. Variability of a similar nature has been observed in other stars, and investigating their similarities and differences is essential to helping us understand the underlying mechanisms and their impacts on planets. During the past decade multi-wavelength data from several solar and stellar space missions, together with ground-based observations, have provided tremendous amounts of new information about the physical processes on the Sun and solar-type stars. Solar observations have revealed interesting connections between the cyclic variations of the structure, interior dynamics, surface magnetism and coronal phenomena, but it is still unclear where and how magnetic fields are generated in the Sun, and why it has a regular 22-year magnetic cycle. IAU Symposium 264 discusses key observational results, new theoretical ideas and models which address these subjects." -- Publisher's description.
Solar oscillations --- Stellar oscillations --- Solar system
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"Robert Buchler has largely contributed to the theoretical modelling and understanding of the Cepheid pulsations. The first part of this conference (the first three days of the meeting) was dedicated to the presentation and discussion of recent results obtained in this field, in large part based on contributions from the past or present collaborators of Robert. The last two days were devoted to the second edition of the Cassini project workshop. The goal of this project is to develop the interaction between theoreticians modelling Cepheids and observers in order to explain the pulsational behavior of these stars as observed by interferometry and spectroscopy. These proceedings therefore cover a broad range of theoretical topics, numerical modeling and observational results on Cepheids, with an emphasis on the current 'hot topics'. They are addressed to researchers and graduate students."-- Back cover.
Stellar oscillations --- Cepheids --- Pulsars --- Buchler, J. R.
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Solar oscillations --- Stellar oscillations --- Congresses --- Congresses
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Our understanding of stars has grown significantly due to recent advances in asteroseismology, the stellar analog of helioseismology, the study of the Sun's acoustic wave oscillations. Using ground-based and satellite observatories to measure the frequency spectra of starlight, researchers are able to probe beneath a star's surface and map its interior structure. This volume provides a wide-ranging and up-to-date overview of the theoretical, experimental and analytical tools for carrying out front-line research in stellar physics using asteroseismological observations, tools and inferences. Chapters from seven eminent scientists in residence at the twenty-second Canary Islands Winter School of Astrophysics examine the interior of our Sun relative to data collected from distant stars, how to measure the fundamental parameters of single field stars, diffusion processes, and the effects of rotation on stellar structures. The volume also provides detailed treatments of modeling and computing programs, providing astronomers and graduate students a practical, methods-based guide.
Astroseismology --- Astero-seismology --- Asteroseismology --- Extraterrestrial seismology --- Stellar oscillations
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