Cristina Chiappini – författare
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3 produkter
3 produkter
1 328 kr
Kommande
IAU Symposium 395 presents an overview of the progress achieved in recent years in areas related to stellar populations in the Milky Way and beyond. Thanks to the Gaia satellite and ground-based spectroscopic surveys, a vast dataset exists with detailed information on the chemistry, ages and kinematics of millions of stars in our galaxy. This volume discusses major stellar populations (halo, disk and bulge) in detail, as well as the mixture of populations in the inner Milky Way. Special attention is given to metal-poor stars, considering both local and accreted components. The results presented are based on both field and cluster stars, which are extensively analyzed in relation to the multiple population phenomenon. The methods used in abundance analysis and population synthesis are reviewed. Furthermore, to place our galaxy in context, results from cosmological simulations, external galaxies, and on future instruments are also presented.
1 146 kr
Skickas inom 7-10 vardagar
Astronomers are at a crucial point in our understanding of the Milky Way. Deciphering the assembly history of our galaxy requires detailed mapping of the structure, dynamics, chemical composition, and age distribution of its stellar populations. In the last decade, astrometric, spectroscopic, photometric, and asteroseismic surveys have started to unveil the inner- and outermost regions of the Milky Way. IAU Symposium 334 explores the still open questions and focusses on the concepts emerging from the analysis of these large, new, and complex datasets. This volume presents a summary of these topics, including the current novel data and the challenges they already pose to modeling, before Gaia end-of-mission, PLATO, and large spectroscopic surveys such as WEAVE and 4MOST are about to start. Graduate students and researchers will learn that, in this golden era of galactic archaeology, we are about to rediscover our galaxy.
593 kr
Kommande
One of the most stunning features of the night sky, and Earth's home, the Mily Way is fertile ground for exploring the mysteries of the universe. This book will provide an overview of how astronomers have attempted to uncover our Galaxy’s past, and how current models of its structure may account for some of the most recent observations. Indeed, the distribution of chemical elements in our Galaxy serves as a ‘fossil record’ of its evolutionary history and is a powerful tool for studying the formation and evolution, not only of the Milky Way, but also of other galaxies.In their journey through the history of our Galaxy the authors answer many fascinating and intriguing questions, such as: what can the Milky Way tell us about the Big Bang? What were the very first stars like? Are we able to find any of these first stars, still shining today, but born at a time when no metals had been formed and the gas and the Galaxy consisted of only hydrogen and helium? How did the main biogenic elements form and how are they distributed throughout the Galaxy? Are there regions of our Galaxy where Earth-like planets such as ours might more easily form?The text is addressed to the curious or interested reader and is intended to unveil to a general popular science audience some of the topics about the structure and evolution of our Galaxy which are now the subject of hot debate amongst professional astronomers around the world.