The Extragalactic Distance Scale

The Extragalactic Distance Scale
Title The Extragalactic Distance Scale PDF eBook
Author Space Telescope Science Institute (U.S.). Symposium
Publisher Cambridge University Press
Pages 354
Release 1997-06-28
Genre Science
ISBN 9780521591645

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One of the hottest debates in astronomy and cosmology today concerns the value of the Hubble constant. This constant is of paramount importance since it fixes the size and age of the Universe. At a symposium at the Space Telescope Science Institute, experts from around the world presented the latest results from a plethora of techniques for determining the Hubble constant. The value has always been controversial, but at this meeting experts' results agreed for the first time to within about 20%. Based on the meeting, this book presents twenty-three specially written review articles. They provide a comprehensive account of the Hubble-constant debate with the latest results from gravitational lensing, supernovae and novae, the Tully-Fisher relation, the Sunyaev-Zeldovich effect, globular clusters, planetary nebulae, light echoes, and the Hubble Space Telescope Key Project. This timely volume provides a standard reference for graduate students and researchers in astronomy and cosmology.

The Extragalactic Distance Scale

The Extragalactic Distance Scale
Title The Extragalactic Distance Scale PDF eBook
Author Sidney Van den Bergh
Publisher
Pages 408
Release 1988
Genre Mathematics
ISBN

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The Extragalactic Distance Scale

The Extragalactic Distance Scale
Title The Extragalactic Distance Scale PDF eBook
Author
Publisher
Pages 90
Release 1996
Genre Extragalactic distances
ISBN

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Stellar Candles for the Extragalactic Distance Scale

Stellar Candles for the Extragalactic Distance Scale
Title Stellar Candles for the Extragalactic Distance Scale PDF eBook
Author Danielle Alloin
Publisher Springer Science & Business Media
Pages 334
Release 2003-10-20
Genre Science
ISBN 9783540201281

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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.

The World of Galaxies

The World of Galaxies
Title The World of Galaxies PDF eBook
Author Harold G. Corwin
Publisher Springer Science & Business Media
Pages 596
Release 2012-12-06
Genre Science
ISBN 1461393566

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From 12 April to 14 April 1988, 120 of Gerard and Antoinette de Vaucouleurs's friends and colleagues gathered at the Institut d' Astrophysique in Paris to cel ebrate Gerard's 70th birthday and his remarkable career in Astronomy. The gathering also honored the memory of Antoinette (who died 29 August 1987 after a long illness) and her own no less remarkable career. This volume collects the 24 invited review papers and the 60 contributed poster papers presented at the meeting. Gerard de Vaucouleurs Gerard de Vaucouleurs was born on 25 April 1918 in Paris, where he spent his boyhood. He became an active amateur astronomer in the early 1930's, making extensive observations of Mars, Jupiter, and variable stars (including the bright supernova of 1937 in IC 4182). He also began life-long interests in astronomical photography and galaxy cataloguing during this period. In 1939, he met the director of the Paris transport system and an equally avid amateur astronomer, Julien Peridier. De Vaucouleurs worked at Peridier's private observatory at Le Houga in southwestern France on and off throughout the next decade. His undergraduate work was in mathematics, astronomy, and experimental physics; this, combined with his interest in observational astronomy, formed his life-long empirical approach to science. After spending 18 months in the French army early in 1939 - 41, Gerard returned to the Peridier observatory and then, in 1943, to his studies at the Sorbonne, where he met Antoinette.

Modern Cosmological Observations and Problems

Modern Cosmological Observations and Problems
Title Modern Cosmological Observations and Problems PDF eBook
Author Gregory Bothun
Publisher CRC Press
Pages 321
Release 2020-11-25
Genre Science
ISBN 1000124029

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In recent years an enormous amount of cosmological data has come from well known projects such as the Hubble Space Telescope (HST) and the Cosmic Background Explorer (COBE). This book explains and makes sense of this vast array of new observational data in terms of its impact on current cosmological models. With new theories and a plethora of data feeding cosmology in the 1990s, Gregory Bothun sets about the task of re- assessing our cosmological models. He outlines exactly what the latest observations are, and how they should be seen as either consistent or in conflict with current cosmogenic scenarios. In this search for a reconciliation of current data with competing theory, he explains how Einstein's idea of a cosmological constant has now become a viable hypothesis. This authoritative text should be valuable to all those studying cosmological observations at advanced undergraduate or beginning graduate level. Bothun draws a path through cosmology by defining a trajectory that is based on the data. This should also provide a framework for professional cosmologists and related readers in physics as it presents a solid observational foundation which either supports or conflicts with present theory. The book is illustrated including many CCD images of galaxies. Given the rapidly changing nature of the field, this book is supported by a World Wide Web site of supplementary material that is designed to readily update the material in the book.

Standardization in Measurement

Standardization in Measurement
Title Standardization in Measurement PDF eBook
Author Oliver Schlaudt
Publisher Routledge
Pages 271
Release 2015-10-06
Genre Science
ISBN 131731669X

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The application of standard measurement is a cornerstone of modern science. In this collection of essays, standardization of procedure, units of measurement and the epistemology of standardization are addressed by specialists from sociology, history and the philosophy of science.