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The Impact of HST on European Astronomy
Remembrance of Things Past It scarcely seems credible that it was almost exactly thirty years ago that I ?rst met Duccio Macchetto at the ?rst meeting of the newly formed Science Working Group of what was then called the Space Telescope project. We were there in slightly d- ferent roles, Duccio as the project scientist for the Faint Object Camera and I as an interdisciplinary scientist. Henk van de Hulst was also there as the of?cial rep- sentative of ESO. The approval of the project was the end result of a great deal of lobbying and politicking both in the USA and Europe, the European contribution proving essential to the approval process in the USA. Those interested in the nit- gritty of t...
New Perspectives on Stellar Pulsation and Pulsating Variable Stars
How can the interior of the Sun, white dwarfs and other stars be studied by stellar seismology? What can Doppler imaging tell us about high-degree pulsations? What impact are CCD and infrared observations having on extending the Cepheid and RR Lyrae distance scale? And how are other classes of pulsators providing independent checks of the distance scale? These and many other critical questions are answered in this timely review of the dramatic advances made in pulsating star research in the last decade. This survey collects together more than thirty comprehensive reviews and over one hundred summaries of research papers from the 139th IAU Colloquium, held in Victoria, British Columbia. Together these cover all aspects of recent developments in the field of variable star research and preview some of the exciting advances anticipated for the next decade. This volume provides an essential review for graduate students and researchers.
Stellar Candles for the Extragalactic Distance Scale
This volume reviews the current status with respect to both theory and observation of the extragalactic distance scale. A sufficient accuracy is required both for a precise determination of the cosmological parameters and also in order to achieve a better understanding of physical processes in extragalactic systems. The "standard candles", used to set up the extragalactic distance scale, reviewed in this book include cepheid variables, RR Lyrae variables, novae, Type Ia and Type II supernovae as well as globular clusters and planetary nebulae.
Post-Hipparcos Cosmic Candles
In May 1976, when one of us was temporarily associated with Stras bourg Observatory for lecturing on distance determination methods (Heck 1978), Pierre Lacroute - then in his last year as Director there - mod estly requested comments on a project he had been cherishing for quite a few years, and which he had been presenting to visitors and colleagues: an astrometric satellite. His persuasiveness and persistence won support from the scientific com munity, from the French space agency CNES and from the European Space Agency (ESA): the Hipparcos satellite was born. It was fitting that Lacroute lived long enough after his retirement to attend the launch of his brainchild in 1989 and to see it su...
The Evolution of Galaxies
Galaxies have a history. This has become clear from recent sky surveys which have shown that distant galaxies, formed early in the life of the Universe, differ from the nearby ones. New observational windows at ultraviolet, infrared and millimetric wavelengths (provided by ROSAT, IRAM, IUE, IRAS, ISO) have revealed that galaxies contain a wealth of components: very hot gas, atomic hydrogen, molecules, dust, dark matter... A significant advance is expected from the results of new instruments (VLT, FIRST, XMM) which will allow one to explore the most distant Universe. Three Euroconferences were planned to punctuate this new epoch in galactic research, bringing together specialists in various fields of Astronomy. This book contains the proceedings of the third conference and presents the actual state-of-the-art of modelling galaxy evolution.
The Future of Solar Exploration, 2003-2013
Between June 2001 and January 2002, planetary scientists from around the United States and other nations created 24 self-selected panels to discuss issues facing solar system exploration in 2003-2013 and how those issues should be addressed. Each panel generated a white paper, containing their conclusions and recommendations. These were forwarded to the National Research Council as community input in support of the Solar System Exploration Decadal Survey and comprise the chapters of this book.
Small Galaxy Groups
The nonprofit Astronomical Society of the Pacific (ASP) publishes the Conference Series Proceedings as part of its century-old mission to provide resources for astronomers and advance the science of astronomy. Since 1988, the ASP has published the proceedings of astronomical workshops, meetings, colloquia, and symposia to meet the community's demand for affordable, high-quality volumes on current topics in the rapidly expanding fields of astronomy and astrophysics. Since 1998, the Society has also served as publisher for the International Astronomical Union (IAU), adding their Symposia, Highlights, and Transactions to our growing list of publications.For most rapid delivery of each volume, w...
The Magellanic System (IAU S256)
This volume presents the most complete and up-to-date accounts of our understanding of the Magellanic Clouds and the astrophysical processes within them. Observations of these nearby dwarf galaxies continue to advance, calibrate and challenge our knowledge of the cosmos. They are rich in gas, they have been actively forming stars throughout their history, and they display a wealth of dynamical features. Poor in metals, they serve as a stepping stone towards understanding the high-redshift Universe. In IAU Symposium 256, scientists from vastly different fields of research discuss galactic dynamics, the physics of the interstellar medium and star formation, and the fundamental properties and evolution of stars. New insight was gained by crossing the traditional boundaries of these fields, placing the findings in the context of the structure and evolution of this interacting pair of galaxies uniquely available to our ever more powerful telescopes and computational machinery.
